PDB Short entry for 1V3Q
HEADER    TRANSFERASE                             04-NOV-03   1V3Q              
TITLE     STRUCTURE OF HUMAN PNP COMPLEXED WITH DDI                             
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PURINE NUCLEOSIDE PHOSPHORYLASE;                           
COMPND   3 CHAIN: E;                                                            
COMPND   4 SYNONYM: INOSINE PHOSPHORYLASE, PNP;                                 
COMPND   5 EC: 2.4.2.1;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: PNP;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    PURINE NUCLEOSIDE PHOSPHORYLASE, DRUG DESIGN, SYNCHROTORN, DDI,       
KEYWDS   2 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    F.CANDURI,J.H.PEREIRA,D.M.DOS SANTOS,R.G.SILVA,M.S.PALMA,L.A.BASSO,   
AUTHOR   2 W.F.DE AZEVEDO JR.,D.S.SANTOS                                        
REVDAT   5   25-OCT-23 1V3Q    1       REMARK                                   
REVDAT   4   18-JUL-12 1V3Q    1       HETSYN                                   
REVDAT   3   13-JUL-11 1V3Q    1       VERSN                                    
REVDAT   2   24-FEB-09 1V3Q    1       VERSN                                    
REVDAT   1   20-JAN-04 1V3Q    0                                                
JRNL        AUTH   F.CANDURI,D.M.DOS SANTOS,R.G.SILVA,M.A.MENDES,L.A.BASSO,     
JRNL        AUTH 2 M.S.PALMA,W.F.DE AZEVEDO JR.,D.S.SANTOS                      
JRNL        TITL   STRUCTURES OF HUMAN PURINE NUCLEOSIDE PHOSPHORYLASE          
JRNL        TITL 2 COMPLEXED WITH INOSINE AND DDI                               
JRNL        REF    BIOCHEM.BIOPHYS.RES.COMMUN.   V. 313   907 2004              
JRNL        REFN                   ISSN 0006-291X                               
JRNL        PMID   14706628                                                     
JRNL        DOI    10.1016/J.BBRC.2003.11.179                                   
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   W.F.DE AZEVEDO JR.,F.CANDURI,D.M.DOS SANTOS,R.G.SILVA,       
REMARK   1  AUTH 2 J.S.DE OLIVEIRA,L.P.DE CARVALHO,L.A.BASSO,M.A.MENDES,        
REMARK   1  AUTH 3 M.S.PALMA,D.S.SANTOS                                         
REMARK   1  TITL   CRYSTAL STRUCTURE OF HUMAN PURINE NUCLEOSIDE PHOSPHORYLASE   
REMARK   1  TITL 2 AT 2.3A RESOLUTION                                           
REMARK   1  REF    BIOCHEM.BIOPHYS.RES.COMMUN.   V. 308   545 2003              
REMARK   1  REFN                   ISSN 0006-291X                               
REMARK   1  PMID   12914785                                                     
REMARK   1  DOI    10.1016/S0006-291X(03)01431-1                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR                                               
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 97.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 12886                          
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 SET) : 0.214                           
REMARK   3   FREE R VALUE                     : 0.306                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 1225                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2251                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 32                                      
REMARK   3   SOLVENT ATOMS            : 34                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 39.82                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.35                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 8.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.013                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.830                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.63                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.560                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1V3Q COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 06-NOV-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000006167.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 16-APR-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 104.0                              
REMARK 200  PH                             : 5.30                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : LNLS                               
REMARK 200  BEAMLINE                       : D03B-MX1                           
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.4310                             
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA, CCP4 (SCALA)                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 46457                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 56.796                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY                : 5.500                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.5000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.95                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.30                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.37100                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.300                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1M73                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 75.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.82                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 5.30                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: H 3 2                            
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z                                                
REMARK 290       3555   -X+Y,-X,Z                                               
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z                                               
REMARK 290       6555   -X,-X+Y,-Z                                              
REMARK 290       7555   X+2/3,Y+1/3,Z+1/3                                       
REMARK 290       8555   -Y+2/3,X-Y+1/3,Z+1/3                                    
REMARK 290       9555   -X+Y+2/3,-X+1/3,Z+1/3                                   
REMARK 290      10555   Y+2/3,X+1/3,-Z+1/3                                      
REMARK 290      11555   X-Y+2/3,-Y+1/3,-Z+1/3                                   
REMARK 290      12555   -X+2/3,-X+Y+1/3,-Z+1/3                                  
REMARK 290      13555   X+1/3,Y+2/3,Z+2/3                                       
REMARK 290      14555   -Y+1/3,X-Y+2/3,Z+2/3                                    
REMARK 290      15555   -X+Y+1/3,-X+2/3,Z+2/3                                   
REMARK 290      16555   Y+1/3,X+2/3,-Z+2/3                                      
REMARK 290      17555   X-Y+1/3,-Y+2/3,-Z+2/3                                   
REMARK 290      18555   -X+1/3,-X+Y+2/3,-Z+2/3                                  
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  1.000000  0.000000  0.000000       70.66500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       40.79846            
REMARK 290   SMTRY3   7  0.000000  0.000000  1.000000       53.81667            
REMARK 290   SMTRY1   8 -0.500000 -0.866025  0.000000       70.66500            
REMARK 290   SMTRY2   8  0.866025 -0.500000  0.000000       40.79846            
REMARK 290   SMTRY3   8  0.000000  0.000000  1.000000       53.81667            
REMARK 290   SMTRY1   9 -0.500000  0.866025  0.000000       70.66500            
REMARK 290   SMTRY2   9 -0.866025 -0.500000  0.000000       40.79846            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       53.81667            
REMARK 290   SMTRY1  10 -0.500000  0.866025  0.000000       70.66500            
REMARK 290   SMTRY2  10  0.866025  0.500000  0.000000       40.79846            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       53.81667            
REMARK 290   SMTRY1  11  1.000000  0.000000  0.000000       70.66500            
REMARK 290   SMTRY2  11  0.000000 -1.000000  0.000000       40.79846            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       53.81667            
REMARK 290   SMTRY1  12 -0.500000 -0.866025  0.000000       70.66500            
REMARK 290   SMTRY2  12 -0.866025  0.500000  0.000000       40.79846            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000       53.81667            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       81.59691            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000      107.63333            
REMARK 290   SMTRY1  14 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.866025 -0.500000  0.000000       81.59691            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000      107.63333            
REMARK 290   SMTRY1  15 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  15 -0.866025 -0.500000  0.000000       81.59691            
REMARK 290   SMTRY3  15  0.000000  0.000000  1.000000      107.63333            
REMARK 290   SMTRY1  16 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.866025  0.500000  0.000000       81.59691            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000      107.63333            
REMARK 290   SMTRY1  17  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  17  0.000000 -1.000000  0.000000       81.59691            
REMARK 290   SMTRY3  17  0.000000  0.000000 -1.000000      107.63333            
REMARK 290   SMTRY1  18 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  18 -0.866025  0.500000  0.000000       81.59691            
REMARK 290   SMTRY3  18  0.000000  0.000000 -1.000000      107.63333            
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 10830 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 30720 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -163.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E                                     
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 350   BIOMT1   2 -0.500000 -0.866025  0.000000       70.66500            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000      122.39537            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3 -0.500000  0.866025  0.000000      -70.66500            
REMARK 350   BIOMT2   3 -0.866025 -0.500000  0.000000      122.39537            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    PRO E  54   C   -  N   -  CA  ANGL. DEV. =   9.2 DEGREES          
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    ASN E   3      140.19    -16.43                                   
REMARK 500    SER E  19       16.28    -63.08                                   
REMARK 500    PRO E  54      -64.67    -21.64                                   
REMARK 500    ARG E  58     -173.81    -64.74                                   
REMARK 500    THR E  60     -157.51     66.00                                   
REMARK 500    ASN E  74       28.53     37.88                                   
REMARK 500    VAL E  79      112.00   -160.02                                   
REMARK 500    TYR E  88       -5.32    -51.27                                   
REMARK 500    ASP E 128      160.26    -45.27                                   
REMARK 500    GLU E 153        3.48    -69.29                                   
REMARK 500    PHE E 159       74.95   -106.06                                   
REMARK 500    ALA E 165      -53.90   -173.93                                   
REMARK 500    ASP E 167      126.43    -34.81                                   
REMARK 500    ARG E 185      129.50     94.79                                   
REMARK 500    SER E 220     -158.66   -170.12                                   
REMARK 500    THR E 221      -60.33     78.35                                   
REMARK 500    ILE E 241      103.58    -59.12                                   
REMARK 500    ILE E 246      175.39    -58.28                                   
REMARK 500    ASP E 248     -108.99    -27.60                                   
REMARK 500    TYR E 249      -68.52     49.55                                   
REMARK 500    GLU E 250      100.40    169.08                                   
REMARK 500    SER E 251     -169.47   -104.51                                   
REMARK 500    LEU E 252      -12.47   -148.47                                   
REMARK 500    LYS E 254      -64.75   -150.67                                   
REMARK 500    ALA E 255      128.13    143.83                                   
REMARK 500    ALA E 263       79.33    -69.30                                   
REMARK 500    ALA E 288      111.92    -30.81                                   
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 SO4 E 291                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 292                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 E 293                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 2DI E 290                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1M73   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1PF7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1RCT   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN WITH INOSINE                                        
REMARK 900 RELATED ID: 1V41   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN WITH AZG                                            
REMARK 900 RELATED ID: 1V45   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN WITH 3DG                                            
DBREF  1V3Q E    2   289  UNP    P00491   PNPH_HUMAN       2    289             
SEQRES   1 E  288  GLU ASN GLY TYR THR TYR GLU ASP TYR LYS ASN THR ALA          
SEQRES   2 E  288  GLU TRP LEU LEU SER HIS THR LYS HIS ARG PRO GLN VAL          
SEQRES   3 E  288  ALA ILE ILE CYS GLY SER GLY LEU GLY GLY LEU THR ASP          
SEQRES   4 E  288  LYS LEU THR GLN ALA GLN ILE PHE ASP TYR SER GLU ILE          
SEQRES   5 E  288  PRO ASN PHE PRO ARG SER THR VAL PRO GLY HIS ALA GLY          
SEQRES   6 E  288  ARG LEU VAL PHE GLY PHE LEU ASN GLY ARG ALA CYS VAL          
SEQRES   7 E  288  MET MET GLN GLY ARG PHE HIS MET TYR GLU GLY TYR PRO          
SEQRES   8 E  288  LEU TRP LYS VAL THR PHE PRO VAL ARG VAL PHE HIS LEU          
SEQRES   9 E  288  LEU GLY VAL ASP THR LEU VAL VAL THR ASN ALA ALA GLY          
SEQRES  10 E  288  GLY LEU ASN PRO LYS PHE GLU VAL GLY ASP ILE MET LEU          
SEQRES  11 E  288  ILE ARG ASP HIS ILE ASN LEU PRO GLY PHE SER GLY GLN          
SEQRES  12 E  288  ASN PRO LEU ARG GLY PRO ASN ASP GLU ARG PHE GLY ASP          
SEQRES  13 E  288  ARG PHE PRO ALA MET SER ASP ALA TYR ASP ARG THR MET          
SEQRES  14 E  288  ARG GLN ARG ALA LEU SER THR TRP LYS GLN MET GLY GLU          
SEQRES  15 E  288  GLN ARG GLU LEU GLN GLU GLY THR TYR VAL MET VAL ALA          
SEQRES  16 E  288  GLY PRO SER PHE GLU THR VAL ALA GLU CYS ARG VAL LEU          
SEQRES  17 E  288  GLN LYS LEU GLY ALA ASP ALA VAL GLY MET SER THR VAL          
SEQRES  18 E  288  PRO GLU VAL ILE VAL ALA ARG HIS CYS GLY LEU ARG VAL          
SEQRES  19 E  288  PHE GLY PHE SER LEU ILE THR ASN LYS VAL ILE MET ASP          
SEQRES  20 E  288  TYR GLU SER LEU GLU LYS ALA ASN HIS GLU GLU VAL LEU          
SEQRES  21 E  288  ALA ALA GLY LYS GLN ALA ALA GLN LYS LEU GLU GLN PHE          
SEQRES  22 E  288  VAL SER ILE LEU MET ALA SER ILE PRO LEU PRO ASP LYS          
SEQRES  23 E  288  ALA SER                                                      
HET    SO4  E 291       5                                                       
HET    SO4  E 292       5                                                       
HET    SO4  E 293       5                                                       
HET    2DI  E 290      17                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM     2DI 9-[(2R,5R)-5-(HYDROXYMETHYL)TETRAHYDROFURAN-2-YL]-1,9-           
HETNAM   2 2DI  DIHYDRO-6H-PURIN-6-ONE                                          
HETSYN     2DI 2',3'-DIDEOXYINOSINE; DIDANOSINE                                 
FORMUL   2  SO4    3(O4 S 2-)                                                   
FORMUL   5  2DI    C10 H12 N4 O3                                                
FORMUL   6  HOH   *34(H2 O)                                                     
HELIX    1   1 THR E    6  SER E   19  1                                  14    
HELIX    2   2 LEU E   35  LEU E   42  5                                   8    
HELIX    3   3 SER E   51  ILE E   53  5                                   3    
HELIX    4   4 PRO E   62  ALA E   65  5                                   4    
HELIX    5   5 HIS E   86  GLY E   90  5                                   5    
HELIX    6   6 PRO E   92  THR E   97  1                                   6    
HELIX    7   7 THR E   97  LEU E  106  1                                  10    
HELIX    8   8 LEU E  138  SER E  142  1                                   5    
HELIX    9   9 ARG E  168  MET E  181  1                                  14    
HELIX   10  10 THR E  202  LEU E  212  1                                  11    
HELIX   11  11 THR E  221  GLY E  232  1                                  12    
HELIX   12  12 ASN E  256  ALA E  262  5                                   7    
HELIX   13  13 LYS E  265  LEU E  278  1                                  14    
HELIX   14  14 MET E  279  ILE E  282  5                                   4    
SHEET    1   A10 THR E  43  ASP E  49  0                                        
SHEET    2   A10 ARG E  67  PHE E  72 -1  O  LEU E  68   N  PHE E  48           
SHEET    3   A10 CYS E  78  GLN E  82 -1  O  MET E  80   N  VAL E  69           
SHEET    4   A10 VAL E  27  CYS E  31  1  N  ILE E  29   O  MET E  81           
SHEET    5   A10 THR E 110  GLY E 119  1  O  THR E 114   N  ILE E  30           
SHEET    6   A10 ARG E 234  LYS E 244  1  O  ASN E 243   N  GLY E 119           
SHEET    7   A10 ILE E 129  ASN E 137 -1  N  MET E 130   O  SER E 239           
SHEET    8   A10 GLN E 188  MET E 194  1  O  TYR E 192   N  ASP E 134           
SHEET    9   A10 ALA E 216  GLY E 218  1  O  ALA E 216   N  VAL E 193           
SHEET   10   A10 THR E 110  GLY E 119 -1  N  GLY E 118   O  VAL E 217           
SITE     1 AC1  3 PRO E  92  ARG E 148  HOH E 321                               
SITE     1 AC2  4 GLY E  34  GLY E  36  ALA E  65  GLN E  82                    
SITE     1 AC3  8 GLY E  32  SER E  33  ARG E  84  HIS E  86                    
SITE     2 AC3  8 ASN E 115  ALA E 116  SER E 220  HOH E 308                    
SITE     1 AC4 10 GLY E 118  PHE E 159  PHE E 200  GLU E 201                    
SITE     2 AC4 10 VAL E 217  MET E 219  ASN E 243  VAL E 245                    
SITE     3 AC4 10 HIS E 257  HOH E 308                                          
CRYST1  141.330  141.330  161.450  90.00  90.00 120.00 H 3 2        18          
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      0.007076  0.004085  0.000000        0.00000                         
SCALE2      0.000000  0.008170  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006194        0.00000