PDB Short entry for 2X9V
HEADER    OXIDOREDUCTASE                          24-MAR-10   2X9V              
TITLE     HIGH RESOLUTION STRUCTURE OF TBPTR1 WITH TRIMETREXATE                 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PTERIDINE REDUCTASE;                                       
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 SYNONYM: PTR1;                                                       
COMPND   5 EC: 1.5.1.33;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: TRYPANOSOMA BRUCEI BRUCEI;                      
SOURCE   3 ORGANISM_TAXID: 5702;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PET15B_TBPTR1                             
KEYWDS    OXIDOREDUCTASE, SHORT CHAIN DEHYDROGENASE                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    A.DAWSON,L.B.TULLOCH,K.L.BARRACK,W.N.HUNTER                           
REVDAT   3   11-APR-12 2X9V    1       JRNL   REMARK VERSN                      
REVDAT   2   01-DEC-10 2X9V    1       JRNL                                     
REVDAT   1   23-JUN-10 2X9V    0                                                
JRNL        AUTH   A.DAWSON,L.B.TULLOCH,K.L.BARRACK,W.N.HUNTER                  
JRNL        TITL   HIGH-RESOLUTION STRUCTURES OF TRYPANOSOMA BRUCEI             
JRNL        TITL 2 PTERIDINE REDUCTASE LIGAND COMPLEXES INFORM ON               
JRNL        TITL 3 THE PLACEMENT OF NEW MOLECULAR ENTITIES IN THE               
JRNL        TITL 4 ACTIVE SITE OF A POTENTIAL DRUG TARGET                       
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  66  1334 2010              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   21123874                                                     
JRNL        DOI    10.1107/S0907444910040886                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.30 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0109                                      
REMARK   3   AUTHORS     : MURSHUDOV,VAGIN,DODSON                               
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 31.05                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NONE                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.71                          
REMARK   3   NUMBER OF REFLECTIONS             : 226950                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.12259                         
REMARK   3   R VALUE            (WORKING SET) : 0.12125                         
REMARK   3   FREE R VALUE                     : 0.14784                         
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.0                             
REMARK   3   FREE R VALUE TEST SET COUNT      : 12059                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.300                        
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.334                        
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 16687                        
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.27                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.190                        
REMARK   3   BIN FREE R VALUE SET COUNT          : 892                          
REMARK   3   BIN FREE R VALUE                    : 0.210                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 7622                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 324                                     
REMARK   3   SOLVENT ATOMS            : 1202                                    
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 9.96                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 10.426                         
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.77                                                
REMARK   3    B22 (A**2) : 1.12                                                 
REMARK   3    B33 (A**2) : -0.31                                                
REMARK   3    B12 (A**2) : 0.00                                                 
REMARK   3    B13 (A**2) : 0.04                                                 
REMARK   3    B23 (A**2) : 0.00                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.041         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.039         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.023         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.175         
REMARK   3                                                                      
REMARK   3  CORRELATION COEFFICIENTS.                                           
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.978                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.970                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  8074 ; 0.010 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  5208 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES): 11013 ; 1.405 ; 2.012       
REMARK   3   BOND ANGLES OTHERS          (DEGREES): 12699 ; 1.272 ; 3.002       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   990 ; 5.784 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   316 ;34.910 ;24.430       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1324 ;12.126 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    50 ;14.904 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):  1333 ; 0.088 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  8761 ; 0.007 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  1481 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  5028 ; 1.142 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  2024 ; 0.332 ; 1.500       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  8118 ; 1.849 ; 2.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  3046 ; 2.589 ; 3.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2894 ; 3.872 ; 4.500       
REMARK   3                                                                      
REMARK   3  ANISOTROPIC THERMAL FACTOR RESTRAINTS.   COUNT   RMS    WEIGHT      
REMARK   3   RIGID-BOND RESTRAINTS          (A**2): 13282 ; 0.988 ;   NULL      
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;   NULL      
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;   NULL      
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE          
REMARK   3   RIDING POSITIONS. U VALUES REFINED INDIVIDUALLY                    
REMARK   4                                                                      
REMARK   4 2X9V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 24-MAR-10.                  
REMARK 100 THE PDBE ID CODE IS EBI-43404.                                       
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-DEC-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-4                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.979                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD (QUANTUM 210)                  
REMARK 200  DETECTOR MANUFACTURER          : ADSC                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 239044                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.30                               
REMARK 200  RESOLUTION RANGE LOW       (A) : 31.05                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.0                                
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.8                               
REMARK 200  DATA REDUNDANCY                : 5.6                                
REMARK 200  R MERGE                    (I) : 0.09                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.90                              
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.37                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 98.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.5                                
REMARK 200  R MERGE FOR SHELL          (I) : 0.40                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.60                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER                        
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NONE                                                 
REMARK 200                                                                      
REMARK 200 REMARK: REFINEMENT STARTED DIRECTLY USING PDB 2C7V                   
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 40.1                                      
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.05                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN BUFFER CONTAINED 20MM            
REMARK 280  TRIS PH7.5.  RESERVOIR CONTAINED 2.5M SODIUM ACETATE, 50MM          
REMARK 280  SODIUM CITRATE PH4.5.                                               
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       45.35500            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 24740 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 31610 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -149.1 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, C, B, D                            
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A   -19                                                      
REMARK 465     GLY A   -18                                                      
REMARK 465     SER A   -17                                                      
REMARK 465     SER A   -16                                                      
REMARK 465     HIS A   -15                                                      
REMARK 465     HIS A   -14                                                      
REMARK 465     HIS A   -13                                                      
REMARK 465     HIS A   -12                                                      
REMARK 465     HIS A   -11                                                      
REMARK 465     HIS A   -10                                                      
REMARK 465     SER A    -9                                                      
REMARK 465     SER A    -8                                                      
REMARK 465     GLY A    -7                                                      
REMARK 465     LEU A    -6                                                      
REMARK 465     VAL A    -5                                                      
REMARK 465     PRO A    -4                                                      
REMARK 465     ARG A    -3                                                      
REMARK 465     GLY A    -2                                                      
REMARK 465     SER A    -1                                                      
REMARK 465     HIS A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     GLY A   105                                                      
REMARK 465     ASP A   106                                                      
REMARK 465     HIS A   107                                                      
REMARK 465     GLU A   108                                                      
REMARK 465     ASP A   109                                                      
REMARK 465     ASN A   110                                                      
REMARK 465     SER A   111                                                      
REMARK 465     ASN A   112                                                      
REMARK 465     LYS A   143                                                      
REMARK 465     GLY A   144                                                      
REMARK 465     THR A   145                                                      
REMARK 465     ASN A   146                                                      
REMARK 465     PRO A   147                                                      
REMARK 465     ASN A   148                                                      
REMARK 465     CYS A   149                                                      
REMARK 465     THR A   150                                                      
REMARK 465     SER A   151                                                      
REMARK 465     MET B   -19                                                      
REMARK 465     GLY B   -18                                                      
REMARK 465     SER B   -17                                                      
REMARK 465     SER B   -16                                                      
REMARK 465     HIS B   -15                                                      
REMARK 465     HIS B   -14                                                      
REMARK 465     HIS B   -13                                                      
REMARK 465     HIS B   -12                                                      
REMARK 465     HIS B   -11                                                      
REMARK 465     HIS B   -10                                                      
REMARK 465     SER B    -9                                                      
REMARK 465     SER B    -8                                                      
REMARK 465     GLY B    -7                                                      
REMARK 465     LEU B    -6                                                      
REMARK 465     VAL B    -5                                                      
REMARK 465     PRO B    -4                                                      
REMARK 465     ARG B    -3                                                      
REMARK 465     GLY B    -2                                                      
REMARK 465     SER B    -1                                                      
REMARK 465     HIS B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     GLY B   105                                                      
REMARK 465     ASP B   106                                                      
REMARK 465     HIS B   107                                                      
REMARK 465     GLU B   108                                                      
REMARK 465     ASP B   109                                                      
REMARK 465     ASN B   110                                                      
REMARK 465     SER B   111                                                      
REMARK 465     ASN B   112                                                      
REMARK 465     GLY B   144                                                      
REMARK 465     THR B   145                                                      
REMARK 465     ASN B   146                                                      
REMARK 465     PRO B   147                                                      
REMARK 465     ASN B   148                                                      
REMARK 465     CYS B   149                                                      
REMARK 465     THR B   150                                                      
REMARK 465     SER B   151                                                      
REMARK 465     MET C   -19                                                      
REMARK 465     GLY C   -18                                                      
REMARK 465     SER C   -17                                                      
REMARK 465     SER C   -16                                                      
REMARK 465     HIS C   -15                                                      
REMARK 465     HIS C   -14                                                      
REMARK 465     HIS C   -13                                                      
REMARK 465     HIS C   -12                                                      
REMARK 465     HIS C   -11                                                      
REMARK 465     HIS C   -10                                                      
REMARK 465     SER C    -9                                                      
REMARK 465     SER C    -8                                                      
REMARK 465     GLY C    -7                                                      
REMARK 465     LEU C    -6                                                      
REMARK 465     VAL C    -5                                                      
REMARK 465     PRO C    -4                                                      
REMARK 465     ARG C    -3                                                      
REMARK 465     GLY C    -2                                                      
REMARK 465     SER C    -1                                                      
REMARK 465     HIS C     0                                                      
REMARK 465     MET C     1                                                      
REMARK 465     GLY C   105                                                      
REMARK 465     ASP C   106                                                      
REMARK 465     HIS C   107                                                      
REMARK 465     GLU C   108                                                      
REMARK 465     ASP C   109                                                      
REMARK 465     ASN C   110                                                      
REMARK 465     SER C   111                                                      
REMARK 465     ASN C   112                                                      
REMARK 465     GLY C   113                                                      
REMARK 465     LYS C   143                                                      
REMARK 465     GLY C   144                                                      
REMARK 465     THR C   145                                                      
REMARK 465     ASN C   146                                                      
REMARK 465     PRO C   147                                                      
REMARK 465     ASN C   148                                                      
REMARK 465     CYS C   149                                                      
REMARK 465     THR C   150                                                      
REMARK 465     SER C   151                                                      
REMARK 465     MET D   -19                                                      
REMARK 465     GLY D   -18                                                      
REMARK 465     SER D   -17                                                      
REMARK 465     SER D   -16                                                      
REMARK 465     HIS D   -15                                                      
REMARK 465     HIS D   -14                                                      
REMARK 465     HIS D   -13                                                      
REMARK 465     HIS D   -12                                                      
REMARK 465     HIS D   -11                                                      
REMARK 465     HIS D   -10                                                      
REMARK 465     SER D    -9                                                      
REMARK 465     SER D    -8                                                      
REMARK 465     GLY D    -7                                                      
REMARK 465     LEU D    -6                                                      
REMARK 465     VAL D    -5                                                      
REMARK 465     PRO D    -4                                                      
REMARK 465     ARG D    -3                                                      
REMARK 465     GLY D    -2                                                      
REMARK 465     SER D    -1                                                      
REMARK 465     HIS D     0                                                      
REMARK 465     MET D     1                                                      
REMARK 465     GLY D   105                                                      
REMARK 465     ASP D   106                                                      
REMARK 465     HIS D   107                                                      
REMARK 465     GLU D   108                                                      
REMARK 465     ASP D   109                                                      
REMARK 465     ASN D   110                                                      
REMARK 465     SER D   111                                                      
REMARK 465     ASN D   112                                                      
REMARK 465     LYS D   143                                                      
REMARK 465     GLY D   144                                                      
REMARK 465     THR D   145                                                      
REMARK 465     ASN D   146                                                      
REMARK 465     PRO D   147                                                      
REMARK 465     ASN D   148                                                      
REMARK 465     CYS D   149                                                      
REMARK 465     THR D   150                                                      
REMARK 465     SER D   151                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A  2066     O    HOH A  2176              2.07            
REMARK 500   O    HOH B  2095     O    HOH B  2107              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH D  2124     O    HOH A  2152     1455     2.15            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ARG A  14     -137.67     57.27                                   
REMARK 500    HIS A  35      -74.21   -114.34                                   
REMARK 500    ALA A 128      -53.93   -138.72                                   
REMARK 500    CYS A 160     -147.12   -100.72                                   
REMARK 500    SER A 207     -138.81   -118.41                                   
REMARK 500    ARG B  14     -133.42     57.60                                   
REMARK 500    HIS B  35      -72.38   -113.48                                   
REMARK 500    ALA B 128      -55.36   -139.22                                   
REMARK 500    CYS B 160     -148.31   -101.57                                   
REMARK 500    PHE B 171       42.87   -109.56                                   
REMARK 500    SER B 207     -136.72   -115.35                                   
REMARK 500    ARG C  14     -134.30     58.60                                   
REMARK 500    HIS C  35      -73.33   -112.02                                   
REMARK 500    ALA C 128      -53.81   -137.32                                   
REMARK 500    CYS C 160     -146.50    -98.24                                   
REMARK 500    ARG D  14     -134.83     59.30                                   
REMARK 500    HIS D  35      -73.30   -113.53                                   
REMARK 500    ALA D 128      -56.87   -138.40                                   
REMARK 500    CYS D 160     -146.85    -99.08                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP A1269                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP B1269                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP C1269                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAP D1269                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TMQ A1270                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TMQ B1270                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TMQ C1270                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TMQ D1270                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B1271                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT C1271                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT A1271                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT B1272                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT D1271                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ACT C1272                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2X9N   RELATED DB: PDB                                   
REMARK 900  HIGH RESOLUTION STRUCTURE OF TBPTR1 IN                              
REMARK 900  COMPLEX WITH CYROMAZINE                                             
REMARK 900 RELATED ID: 2VZ0   RELATED DB: PDB                                   
REMARK 900  PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA                       
REMARK 900   BRUCEI IN COMPLEX WITH NADP AND                                    
REMARK 900  DDD00066641                                                         
REMARK 900 RELATED ID: 2C7V   RELATED DB: PDB                                   
REMARK 900  STRUCTURE OF TRYPANOSOMA BRUCEI PTERIDINE                           
REMARK 900  REDUCTASE (PTR1) IN TERNARY COMPLEX WITH                            
REMARK 900  COFACTOR AND THE ANTIFOLATE METHOTREXATE                            
REMARK 900 RELATED ID: 2WD7   RELATED DB: PDB                                   
REMARK 900  PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA                       
REMARK 900   BRUCEI IN COMPLEX WITH NADP AND                                    
REMARK 900  DDD00066750                                                         
REMARK 900 RELATED ID: 2WD8   RELATED DB: PDB                                   
REMARK 900  PTERIDINE REDUCTASE 1 (PTR1) FROM TRYPANOSOMA                       
REMARK 900   BRUCEI IN COMPLEX WITH NADP AND                                    
REMARK 900  DDD00071204                                                         
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 ADDITIONAL N-TERMINAL RESIDUES FORM HIS-TAG FOR PURIFICATION         
DBREF  2X9V A    1   268  UNP    O76290   O76290_TRYBB     1    268             
DBREF  2X9V B    1   268  UNP    O76290   O76290_TRYBB     1    268             
DBREF  2X9V C    1   268  UNP    O76290   O76290_TRYBB     1    268             
DBREF  2X9V D    1   268  UNP    O76290   O76290_TRYBB     1    268             
SEQADV 2X9V MET A  -19  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY A  -18  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER A  -17  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER A  -16  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS A  -15  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS A  -14  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS A  -13  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS A  -12  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS A  -11  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS A  -10  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER A   -9  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER A   -8  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY A   -7  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V LEU A   -6  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V VAL A   -5  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V PRO A   -4  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V ARG A   -3  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY A   -2  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER A   -1  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS A    0  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V MET B  -19  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY B  -18  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER B  -17  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER B  -16  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS B  -15  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS B  -14  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS B  -13  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS B  -12  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS B  -11  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS B  -10  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER B   -9  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER B   -8  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY B   -7  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V LEU B   -6  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V VAL B   -5  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V PRO B   -4  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V ARG B   -3  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY B   -2  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER B   -1  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS B    0  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V MET C  -19  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY C  -18  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER C  -17  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER C  -16  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS C  -15  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS C  -14  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS C  -13  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS C  -12  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS C  -11  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS C  -10  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER C   -9  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER C   -8  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY C   -7  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V LEU C   -6  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V VAL C   -5  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V PRO C   -4  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V ARG C   -3  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY C   -2  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER C   -1  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS C    0  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V MET D  -19  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY D  -18  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER D  -17  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER D  -16  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS D  -15  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS D  -14  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS D  -13  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS D  -12  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS D  -11  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS D  -10  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER D   -9  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER D   -8  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY D   -7  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V LEU D   -6  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V VAL D   -5  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V PRO D   -4  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V ARG D   -3  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V GLY D   -2  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V SER D   -1  UNP  O76290              EXPRESSION TAG                 
SEQADV 2X9V HIS D    0  UNP  O76290              EXPRESSION TAG                 
SEQRES   1 A  288  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 A  288  LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA          
SEQRES   3 A  288  VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE          
SEQRES   4 A  288  ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE          
SEQRES   5 A  288  HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA          
SEQRES   6 A  288  ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL          
SEQRES   7 A  288  CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA          
SEQRES   8 A  288  SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE          
SEQRES   9 A  288  GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE          
SEQRES  10 A  288  TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN          
SEQRES  11 A  288  SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU          
SEQRES  12 A  288  ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET          
SEQRES  13 A  288  SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS          
SEQRES  14 A  288  THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA          
SEQRES  15 A  288  MET VAL ASP GLN PRO CYS MET ALA PHE SER LEU TYR ASN          
SEQRES  16 A  288  MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA          
SEQRES  17 A  288  ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY          
SEQRES  18 A  288  VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY          
SEQRES  19 A  288  GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU          
SEQRES  20 A  288  GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA          
SEQRES  21 A  288  VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR          
SEQRES  22 A  288  GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL          
SEQRES  23 A  288  HIS ALA                                                      
SEQRES   1 B  288  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 B  288  LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA          
SEQRES   3 B  288  VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE          
SEQRES   4 B  288  ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE          
SEQRES   5 B  288  HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA          
SEQRES   6 B  288  ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL          
SEQRES   7 B  288  CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA          
SEQRES   8 B  288  SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE          
SEQRES   9 B  288  GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE          
SEQRES  10 B  288  TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN          
SEQRES  11 B  288  SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU          
SEQRES  12 B  288  ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET          
SEQRES  13 B  288  SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS          
SEQRES  14 B  288  THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA          
SEQRES  15 B  288  MET VAL ASP GLN PRO CYS MET ALA PHE SER LEU TYR ASN          
SEQRES  16 B  288  MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA          
SEQRES  17 B  288  ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY          
SEQRES  18 B  288  VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY          
SEQRES  19 B  288  GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU          
SEQRES  20 B  288  GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA          
SEQRES  21 B  288  VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR          
SEQRES  22 B  288  GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL          
SEQRES  23 B  288  HIS ALA                                                      
SEQRES   1 C  288  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 C  288  LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA          
SEQRES   3 C  288  VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE          
SEQRES   4 C  288  ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE          
SEQRES   5 C  288  HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA          
SEQRES   6 C  288  ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL          
SEQRES   7 C  288  CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA          
SEQRES   8 C  288  SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE          
SEQRES   9 C  288  GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE          
SEQRES  10 C  288  TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN          
SEQRES  11 C  288  SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU          
SEQRES  12 C  288  ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET          
SEQRES  13 C  288  SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS          
SEQRES  14 C  288  THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA          
SEQRES  15 C  288  MET VAL ASP GLN PRO CYS MET ALA PHE SER LEU TYR ASN          
SEQRES  16 C  288  MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA          
SEQRES  17 C  288  ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY          
SEQRES  18 C  288  VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY          
SEQRES  19 C  288  GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU          
SEQRES  20 C  288  GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA          
SEQRES  21 C  288  VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR          
SEQRES  22 C  288  GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL          
SEQRES  23 C  288  HIS ALA                                                      
SEQRES   1 D  288  MET GLY SER SER HIS HIS HIS HIS HIS HIS SER SER GLY          
SEQRES   2 D  288  LEU VAL PRO ARG GLY SER HIS MET GLU ALA PRO ALA ALA          
SEQRES   3 D  288  VAL VAL THR GLY ALA ALA LYS ARG ILE GLY ARG ALA ILE          
SEQRES   4 D  288  ALA VAL LYS LEU HIS GLN THR GLY TYR ARG VAL VAL ILE          
SEQRES   5 D  288  HIS TYR HIS ASN SER ALA GLU ALA ALA VAL SER LEU ALA          
SEQRES   6 D  288  ASP GLU LEU ASN LYS GLU ARG SER ASN THR ALA VAL VAL          
SEQRES   7 D  288  CYS GLN ALA ASP LEU THR ASN SER ASN VAL LEU PRO ALA          
SEQRES   8 D  288  SER CYS GLU GLU ILE ILE ASN SER CYS PHE ARG ALA PHE          
SEQRES   9 D  288  GLY ARG CYS ASP VAL LEU VAL ASN ASN ALA SER ALA PHE          
SEQRES  10 D  288  TYR PRO THR PRO LEU VAL GLN GLY ASP HIS GLU ASP ASN          
SEQRES  11 D  288  SER ASN GLY LYS THR VAL GLU THR GLN VAL ALA GLU LEU          
SEQRES  12 D  288  ILE GLY THR ASN ALA ILE ALA PRO PHE LEU LEU THR MET          
SEQRES  13 D  288  SER PHE ALA GLN ARG GLN LYS GLY THR ASN PRO ASN CYS          
SEQRES  14 D  288  THR SER SER ASN LEU SER ILE VAL ASN LEU CYS ASP ALA          
SEQRES  15 D  288  MET VAL ASP GLN PRO CYS MET ALA PHE SER LEU TYR ASN          
SEQRES  16 D  288  MET GLY LYS HIS ALA LEU VAL GLY LEU THR GLN SER ALA          
SEQRES  17 D  288  ALA LEU GLU LEU ALA PRO TYR GLY ILE ARG VAL ASN GLY          
SEQRES  18 D  288  VAL ALA PRO GLY VAL SER LEU LEU PRO VAL ALA MET GLY          
SEQRES  19 D  288  GLU GLU GLU LYS ASP LYS TRP ARG ARG LYS VAL PRO LEU          
SEQRES  20 D  288  GLY ARG ARG GLU ALA SER ALA GLU GLN ILE ALA ASP ALA          
SEQRES  21 D  288  VAL ILE PHE LEU VAL SER GLY SER ALA GLN TYR ILE THR          
SEQRES  22 D  288  GLY SER ILE ILE LYS VAL ASP GLY GLY LEU SER LEU VAL          
SEQRES  23 D  288  HIS ALA                                                      
HET    NAP  A1269      48                                                       
HET    NAP  B1269      48                                                       
HET    NAP  C1269      48                                                       
HET    NAP  D1269      48                                                       
HET    TMQ  A1270      27                                                       
HET    TMQ  B1270      27                                                       
HET    TMQ  C1270      27                                                       
HET    TMQ  D1270      27                                                       
HET    ACT  B1271       4                                                       
HET    ACT  C1271       4                                                       
HET    ACT  A1271       4                                                       
HET    ACT  B1272       4                                                       
HET    ACT  D1271       4                                                       
HET    ACT  C1272       4                                                       
HETNAM     NAP NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE                           
HETNAM   2 NAP  PHOSPHATE                                                       
HETNAM     TMQ TRIMETREXATE                                                     
HETNAM     ACT ACETATE ION                                                      
HETSYN     NAP 2'-MONOPHOSPHOADENOSINE 5'-DIPHOSPHORIBOSE                       
FORMUL   5  NAP    4(C21 H28 N7 O17 P3)                                         
FORMUL   6  TMQ    4(C19 H24 N5 O3 1+)                                          
FORMUL   7  ACT    6(C2 H3 O2 1-)                                               
FORMUL   8  HOH   *1202(H2 O)                                                   
HELIX    1   1 LYS A   13  THR A   26  1                                  14    
HELIX    2   2 SER A   37  ARG A   52  1                                  16    
HELIX    3   3 VAL A   68  GLY A   85  1                                  18    
HELIX    4   4 THR A  115  ALA A  128  1                                  14    
HELIX    5   5 ALA A  128  GLN A  142  1                                  15    
HELIX    6   6 PHE A  171  ALA A  193  1                                  23    
HELIX    7   7 GLY A  214  ARG A  223  1                                  10    
HELIX    8   8 SER A  233  SER A  246  1                                  14    
HELIX    9   9 GLY A  247  GLN A  250  5                                   4    
HELIX   10  10 GLY A  262  VAL A  266  5                                   5    
HELIX   11  11 LYS B   13  GLY B   27  1                                  15    
HELIX   12  12 SER B   37  ARG B   52  1                                  16    
HELIX   13  13 VAL B   68  GLY B   85  1                                  18    
HELIX   14  14 THR B  115  ALA B  128  1                                  14    
HELIX   15  15 ALA B  128  GLN B  142  1                                  15    
HELIX   16  16 PHE B  171  ALA B  193  1                                  23    
HELIX   17  17 GLY B  214  ARG B  223  1                                  10    
HELIX   18  18 SER B  233  SER B  246  1                                  14    
HELIX   19  19 GLY B  247  GLN B  250  5                                   4    
HELIX   20  20 GLY B  262  VAL B  266  5                                   5    
HELIX   21  21 LYS C   13  GLY C   27  1                                  15    
HELIX   22  22 SER C   37  ARG C   52  1                                  16    
HELIX   23  23 VAL C   68  GLY C   85  1                                  18    
HELIX   24  24 THR C  115  ALA C  128  1                                  14    
HELIX   25  25 ALA C  128  ARG C  141  1                                  14    
HELIX   26  26 PHE C  171  ALA C  193  1                                  23    
HELIX   27  27 PRO C  194  GLY C  196  5                                   3    
HELIX   28  28 GLY C  214  LYS C  224  1                                  11    
HELIX   29  29 SER C  233  SER C  246  1                                  14    
HELIX   30  30 GLY C  247  GLN C  250  5                                   4    
HELIX   31  31 GLY C  262  VAL C  266  5                                   5    
HELIX   32  32 LYS D   13  GLY D   27  1                                  15    
HELIX   33  33 SER D   37  ARG D   52  1                                  16    
HELIX   34  34 VAL D   68  GLY D   85  1                                  18    
HELIX   35  35 THR D  115  ALA D  128  1                                  14    
HELIX   36  36 ALA D  128  GLN D  142  1                                  15    
HELIX   37  37 PHE D  171  ALA D  193  1                                  23    
HELIX   38  38 GLY D  214  ARG D  223  1                                  10    
HELIX   39  39 SER D  233  SER D  246  1                                  14    
HELIX   40  40 GLY D  247  GLN D  250  5                                   4    
HELIX   41  41 GLY D  262  VAL D  266  5                                   5    
SHEET    1  AA 7 ALA A  56  GLN A  60  0                                        
SHEET    2  AA 7 ARG A  29  TYR A  34  1  O  VAL A  30   N  VAL A  57           
SHEET    3  AA 7 ALA A   5  VAL A   8  1  O  ALA A   6   N  VAL A  31           
SHEET    4  AA 7 VAL A  89  ASN A  92  1  O  VAL A  89   N  VAL A   7           
SHEET    5  AA 7 LEU A 154  LEU A 159  1  O  SER A 155   N  LEU A  90           
SHEET    6  AA 7 ILE A 197  PRO A 204  1  O  ARG A 198   N  ILE A 156           
SHEET    7  AA 7 ILE A 256  VAL A 259  1  O  ILE A 257   N  ALA A 203           
SHEET    1  BA 7 ALA B  56  GLN B  60  0                                        
SHEET    2  BA 7 ARG B  29  TYR B  34  1  O  VAL B  30   N  VAL B  57           
SHEET    3  BA 7 ALA B   5  VAL B   8  1  O  ALA B   6   N  VAL B  31           
SHEET    4  BA 7 VAL B  89  ASN B  92  1  O  VAL B  89   N  VAL B   7           
SHEET    5  BA 7 LEU B 154  LEU B 159  1  O  SER B 155   N  LEU B  90           
SHEET    6  BA 7 ILE B 197  PRO B 204  1  O  ARG B 198   N  ILE B 156           
SHEET    7  BA 7 ILE B 256  VAL B 259  1  O  ILE B 257   N  ALA B 203           
SHEET    1  CA 7 ALA C  56  GLN C  60  0                                        
SHEET    2  CA 7 ARG C  29  TYR C  34  1  O  VAL C  30   N  VAL C  57           
SHEET    3  CA 7 ALA C   5  VAL C   8  1  O  ALA C   6   N  VAL C  31           
SHEET    4  CA 7 VAL C  89  ASN C  92  1  O  VAL C  89   N  VAL C   7           
SHEET    5  CA 7 SER C 155  LEU C 159  1  O  SER C 155   N  LEU C  90           
SHEET    6  CA 7 ARG C 198  PRO C 204  1  O  ARG C 198   N  ILE C 156           
SHEET    7  CA 7 ILE C 256  VAL C 259  1  O  ILE C 257   N  ALA C 203           
SHEET    1  DA 7 ALA D  56  GLN D  60  0                                        
SHEET    2  DA 7 ARG D  29  TYR D  34  1  O  VAL D  30   N  VAL D  57           
SHEET    3  DA 7 ALA D   5  VAL D   8  1  O  ALA D   6   N  VAL D  31           
SHEET    4  DA 7 VAL D  89  ASN D  92  1  O  VAL D  89   N  VAL D   7           
SHEET    5  DA 7 LEU D 154  LEU D 159  1  O  SER D 155   N  LEU D  90           
SHEET    6  DA 7 ILE D 197  PRO D 204  1  O  ARG D 198   N  ILE D 156           
SHEET    7  DA 7 ILE D 256  VAL D 259  1  O  ILE D 257   N  ALA D 203           
SITE     1 AC1 35 LYS A  13  ARG A  14  ILE A  15  TYR A  34                    
SITE     2 AC1 35 HIS A  35  ASN A  36  SER A  37  ALA A  61                    
SITE     3 AC1 35 ASP A  62  LEU A  63  THR A  64  ASN A  93                    
SITE     4 AC1 35 ALA A  94  SER A  95  THR A 126  LEU A 159                    
SITE     5 AC1 35 CYS A 160  TYR A 174  LYS A 178  PRO A 204                    
SITE     6 AC1 35 GLY A 205  VAL A 206  SER A 207  LEU A 208                    
SITE     7 AC1 35 TMQ A1270  HOH A2171  HOH A2225  HOH A2300                    
SITE     8 AC1 35 HOH A2302  HOH A2303  HOH A2304  HOH A2305                    
SITE     9 AC1 35 HOH A2306  HOH A2307  HOH A2308                               
SITE     1 AC2 33 ARG B  14  ILE B  15  TYR B  34  HIS B  35                    
SITE     2 AC2 33 ASN B  36  SER B  37  ALA B  61  ASP B  62                    
SITE     3 AC2 33 LEU B  63  THR B  64  ASN B  93  ALA B  94                    
SITE     4 AC2 33 SER B  95  THR B 126  LEU B 159  CYS B 160                    
SITE     5 AC2 33 TYR B 174  LYS B 178  PRO B 204  GLY B 205                    
SITE     6 AC2 33 SER B 207  LEU B 208  TMQ B1270  HOH B2178                    
SITE     7 AC2 33 HOH B2227  HOH B2310  HOH B2311  HOH B2313                    
SITE     8 AC2 33 HOH B2314  HOH B2316  HOH B2317  HOH B2318                    
SITE     9 AC2 33 HOH B2319                                                     
SITE     1 AC3 34 ARG C  14  ILE C  15  TYR C  34  HIS C  35                    
SITE     2 AC3 34 ASN C  36  SER C  37  ALA C  61  ASP C  62                    
SITE     3 AC3 34 LEU C  63  THR C  64  ASN C  93  ALA C  94                    
SITE     4 AC3 34 SER C  95  THR C 126  LEU C 159  CYS C 160                    
SITE     5 AC3 34 ASP C 161  TYR C 174  LYS C 178  PRO C 204                    
SITE     6 AC3 34 GLY C 205  VAL C 206  SER C 207  TMQ C1270                    
SITE     7 AC3 34 HOH C2015  HOH C2156  HOH C2205  HOH C2270                    
SITE     8 AC3 34 HOH C2271  HOH C2272  HOH C2273  HOH C2276                    
SITE     9 AC3 34 HOH C2277  HOH C2278                                          
SITE     1 AC4 33 ARG D  14  ILE D  15  TYR D  34  HIS D  35                    
SITE     2 AC4 33 ASN D  36  SER D  37  ALA D  61  ASP D  62                    
SITE     3 AC4 33 LEU D  63  THR D  64  ASN D  93  ALA D  94                    
SITE     4 AC4 33 SER D  95  THR D 126  LEU D 159  CYS D 160                    
SITE     5 AC4 33 ASP D 161  TYR D 174  LYS D 178  PRO D 204                    
SITE     6 AC4 33 GLY D 205  VAL D 206  SER D 207  TMQ D1270                    
SITE     7 AC4 33 HOH D2154  HOH D2202  HOH D2269  HOH D2270                    
SITE     8 AC4 33 HOH D2271  HOH D2272  HOH D2273  HOH D2274                    
SITE     9 AC4 33 HOH D2275                                                     
SITE     1 AC5 13 ARG A  14  SER A  95  PHE A  97  ASP A 161                    
SITE     2 AC5 13 CYS A 168  TYR A 174  LEU A 208  PRO A 210                    
SITE     3 AC5 13 MET A 213  TRP A 221  NAP A1269  HOH A2309                    
SITE     4 AC5 13 HOH A2310                                                     
SITE     1 AC6  9 ARG B  14  SER B  95  PHE B  97  CYS B 168                    
SITE     2 AC6  9 TYR B 174  LEU B 208  PRO B 210  NAP B1269                    
SITE     3 AC6  9 HOH B2320                                                     
SITE     1 AC7  9 SER C  95  PHE C  97  ASP C 161  TYR C 174                    
SITE     2 AC7  9 LEU C 209  PRO C 210  MET C 213  NAP C1269                    
SITE     3 AC7  9 HOH C2279                                                     
SITE     1 AC8  8 SER D  95  PHE D  97  ASP D 161  TYR D 174                    
SITE     2 AC8  8 LEU D 209  MET D 213  NAP D1269  HOH D2276                    
SITE     1 AC9  7 ALA B 212  MET B 213  GLY B 214  GLU B 215                    
SITE     2 AC9  7 HOH B2246  HOH B2321  HOH B2322                               
SITE     1 BC1  6 GLN C 186  GLY C 254  ILE C 256  HOH C2280                    
SITE     2 BC1  6 HOH C2281  LYS D 258                                          
SITE     1 BC2  8 GLN A 186  GLY A 254  ILE A 256  HOH A2311                    
SITE     2 BC2  8 HOH A2312  HOH A2313  LYS B 258  HOH B2299                    
SITE     1 BC3  9 LYS A 258  HOH A2290  GLN B 186  GLY B 254                    
SITE     2 BC3  9 ILE B 256  HOH B2323  HOH B2324  HOH B2325                    
SITE     3 BC3  9 HOH B2326                                                     
SITE     1 BC4  7 LYS C 258  GLN D 186  GLY D 254  ILE D 256                    
SITE     2 BC4  7 HOH D2278  HOH D2279  HOH D2280                               
SITE     1 BC5  5 TYR B  34  VAL B  58  VAL C  57  VAL C  58                    
SITE     2 BC5  5 HOH C2283                                                     
CRYST1   74.560   90.710   82.460  90.00 115.69  90.00 P 1 21 1      8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.013412  0.000000  0.006452        0.00000                         
SCALE2      0.000000  0.011024  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013457        0.00000