PDB Short entry for 2HQQ
HEADER    TRANSFERASE                             19-JUL-06   2HQQ              
TITLE     CRYSTAL STRUCTURE OF HUMAN KETOHEXOKINASE COMPLEXED TO                
TITLE    2 DIFFERENT SUGAR MOLECULES                                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: KETOHEXOKINASE;                                            
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: HEPATIC FRUCTOKINASE;                                       
COMPND   5 EC: 2.7.1.3;                                                         
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: KHK;                                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: JM109 (DE3);                               
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PET11A                                    
KEYWDS    FRUCTOSE KINASE, TRANSFERASE                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    C.H.TRINH,A.ASIPU,D.T.BONTHRON,S.E.V.PHILLIPS                         
REVDAT   3   24-MAR-09 2HQQ    1       JRNL                                     
REVDAT   2   24-FEB-09 2HQQ    1       VERSN                                    
REVDAT   1   10-JUL-07 2HQQ    0                                                
JRNL        AUTH   C.H.TRINH,A.ASIPU,D.T.BONTHRON,S.E.PHILLIPS                  
JRNL        TITL   STRUCTURES OF ALTERNATIVELY SPLICED ISOFORMS OF              
JRNL        TITL 2 HUMAN KETOHEXOKINASE.                                        
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  65   201 2009              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   19237742                                                     
JRNL        DOI    10.1107/S0907444908041115                                    
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.86 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0003                                      
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) : 1.86                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 87.71                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 37359                          
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) : 0.208                           
REMARK   3   R VALUE            (WORKING SET) : 0.205                           
REMARK   3   FREE R VALUE                     : 0.234                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4129                            
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) : 1.86                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.91                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2746                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 98.95                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2540                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 276                          
REMARK   3   BIN FREE R VALUE                    : 0.2820                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2277                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 15                                      
REMARK   3   SOLVENT ATOMS            : 268                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 27.30                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.29                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.02000                                             
REMARK   3    B22 (A**2) : 1.38000                                              
REMARK   3    B33 (A**2) : -1.36000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.121         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.118         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.082         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.689         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.951                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.941                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2332 ; 0.013 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  2141 ; 0.001 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3159 ; 1.296 ; 1.953       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  4963 ; 0.702 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   295 ; 5.434 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   104 ;32.599 ;23.558       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   390 ;13.294 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    19 ;18.067 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   356 ; 0.075 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2614 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):   482 ; 0.001 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   476 ; 0.217 ; 0.300       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  2154 ; 0.203 ; 0.300       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1160 ; 0.188 ; 0.500       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  1394 ; 0.088 ; 0.500       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   352 ; 0.212 ; 0.500       
REMARK   3   H-BOND (X...Y) OTHERS             (A):     1 ; 0.065 ; 0.500       
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):    14 ; 0.132 ; 0.300       
REMARK   3   SYMMETRY VDW OTHERS               (A):    52 ; 0.270 ; 0.300       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    27 ; 0.200 ; 0.500       
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):  1895 ; 1.764 ; 2.000       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   608 ; 0.284 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2355 ; 2.030 ; 3.000       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   994 ; 1.349 ; 2.000       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   804 ; 2.026 ; 3.000       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  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 : BABINET MODEL WITH 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                                                    
REMARK   4                                                                      
REMARK   4 2HQQ COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 24-JUL-06.                  
REMARK 100 THE RCSB ID CODE IS RCSB038649.                                      
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 10-MAY-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.7                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX14.2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9795                             
REMARK 200  MONOCHROMATOR                  : SI 111 OPTIMIZED FOR 0.9795        
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 41681                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.860                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 87.706                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 7.300                              
REMARK 200  R MERGE                    (I) : 0.06300                            
REMARK 200  R SYM                      (I) : 0.06300                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 6.6000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.86                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.96                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 7.30                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.32500                            
REMARK 200  R SYM FOR SHELL            (I) : 0.32500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SINGLE ISOMORPHOUS           
REMARK 200  REPLACEMENT                                                         
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1RKD                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 67.17                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.75                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.7M AMMONIUM SULPHATE, 0.5M             
REMARK 280  LITHIUM SULPHATE, 0.1M SODIUM CITRATE, PH 5.7, VAPOR                
REMARK 280  DIFFUSION, HANGING DROP, TEMPERATURE 291K                           
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z+1/2                                     
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        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       30.63000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       54.80950            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       73.14500            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       30.63000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       54.80950            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       73.14500            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       30.63000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       54.80950            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       73.14500            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       30.63000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       54.80950            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       73.14500            
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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A DIMER GENERATED FROM THE        
REMARK 300 MONOMER IN THE ASYMMETRIC UNIT BY THE OPERATIONS: 1-X,-Y,Z           
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: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
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 -1.000000  0.000000  0.000000       61.26000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 531  LIES ON A SPECIAL POSITION.                          
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     1                                                      
REMARK 465     GLU A     2                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(M=MODEL NUMBER;            
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLU A   3    CG   CD   OE1  OE2                                  
REMARK 470     GLU A 163    CG   CD   OE1  OE2                                  
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    ASP A  74   CB  -  CG  -  OD2 ANGL. DEV. =   5.7 DEGREES          
REMARK 500    ASP A 194   CB  -  CG  -  OD2 ANGL. DEV. =   6.0 DEGREES          
REMARK 500    ARG A 214   NE  -  CZ  -  NH1 ANGL. DEV. =   3.4 DEGREES          
REMARK 500    ARG A 214   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 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    ASP A 114      152.60    -49.84                                   
REMARK 500    ARG A 141      -75.03   -148.96                                   
REMARK 500    ALA A 226     -119.34     56.33                                   
REMARK 500    ASP A 252      106.01   -160.21                                   
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 A 301                 
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 302                 
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 303                 
DBREF  2HQQ A    1   298  UNP    P50053   KHK_HUMAN        1    298             
SEQRES   1 A  298  MET GLU GLU LYS GLN ILE LEU CYS VAL GLY LEU VAL VAL          
SEQRES   2 A  298  LEU ASP VAL ILE SER LEU VAL ASP LYS TYR PRO LYS GLU          
SEQRES   3 A  298  ASP SER GLU ILE ARG CYS LEU SER GLN ARG TRP GLN ARG          
SEQRES   4 A  298  GLY GLY ASN ALA SER ASN SER CYS THR VAL LEU SER LEU          
SEQRES   5 A  298  LEU GLY ALA PRO CYS ALA PHE MET GLY SER MET ALA PRO          
SEQRES   6 A  298  GLY HIS VAL ALA ASP PHE VAL LEU ASP ASP LEU ARG ARG          
SEQRES   7 A  298  TYR SER VAL ASP LEU ARG TYR THR VAL PHE GLN THR THR          
SEQRES   8 A  298  GLY SER VAL PRO ILE ALA THR VAL ILE ILE ASN GLU ALA          
SEQRES   9 A  298  SER GLY SER ARG THR ILE LEU TYR TYR ASP ARG SER LEU          
SEQRES  10 A  298  PRO ASP VAL SER ALA THR ASP PHE GLU LYS VAL ASP LEU          
SEQRES  11 A  298  THR GLN PHE LYS TRP ILE HIS ILE GLU GLY ARG ASN ALA          
SEQRES  12 A  298  SER GLU GLN VAL LYS MET LEU GLN ARG ILE ASP ALA HIS          
SEQRES  13 A  298  ASN THR ARG GLN PRO PRO GLU GLN LYS ILE ARG VAL SER          
SEQRES  14 A  298  VAL GLU VAL GLU LYS PRO ARG GLU GLU LEU PHE GLN LEU          
SEQRES  15 A  298  PHE GLY TYR GLY ASP VAL VAL PHE VAL SER LYS ASP VAL          
SEQRES  16 A  298  ALA LYS HIS LEU GLY PHE GLN SER ALA GLU GLU ALA LEU          
SEQRES  17 A  298  ARG GLY LEU TYR GLY ARG VAL ARG LYS GLY ALA VAL LEU          
SEQRES  18 A  298  VAL CYS ALA TRP ALA GLU GLU GLY ALA ASP ALA LEU GLY          
SEQRES  19 A  298  PRO ASP GLY LYS LEU LEU HIS SER ASP ALA PHE PRO PRO          
SEQRES  20 A  298  PRO ARG VAL VAL ASP THR LEU GLY ALA GLY ASP THR PHE          
SEQRES  21 A  298  ASN ALA SER VAL ILE PHE SER LEU SER GLN GLY ARG SER          
SEQRES  22 A  298  VAL GLN GLU ALA LEU ARG PHE GLY CYS GLN VAL ALA GLY          
SEQRES  23 A  298  LYS LYS CYS GLY LEU GLN GLY PHE ASP GLY ILE VAL              
HET    SO4  A 301       5                                                       
HET    SO4  A 302       5                                                       
HET    SO4  A 303       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   2  SO4    3(O4 S 2-)                                                   
FORMUL   5  HOH   *268(H2 O)                                                    
HELIX    1   1 GLY A   41  GLY A   54  1                                  14    
HELIX    2   2 GLY A   66  TYR A   79  1                                  14    
HELIX    3   3 SER A  121  GLU A  126  1                                   6    
HELIX    4   4 LYS A  127  VAL A  128  5                                   2    
HELIX    5   5 ASP A  129  THR A  131  5                                   3    
HELIX    6   6 ASN A  142  ARG A  159  1                                  18    
HELIX    7   7 GLN A  160  LYS A  165  5                                   6    
HELIX    8   8 ARG A  176  TYR A  185  5                                  10    
HELIX    9   9 SER A  192  LEU A  199  1                                   8    
HELIX   10  10 SER A  203  TYR A  212  1                                  10    
HELIX   11  11 GLY A  213  VAL A  215  5                                   3    
HELIX   12  12 ALA A  226  GLU A  228  5                                   3    
HELIX   13  13 GLY A  255  GLN A  270  1                                  16    
HELIX   14  14 SER A  273  GLY A  290  1                                  18    
HELIX   15  15 PHE A  294  VAL A  298  5                                   5    
SHEET    1   A 8 CYS A  57  MET A  60  0                                        
SHEET    2   A 8 GLN A   5  VAL A   9  1  N  CYS A   8   O  MET A  60           
SHEET    3   A 8 PHE A 133  GLU A 139  1  O  HIS A 137   N  VAL A   9           
SHEET    4   A 8 ARG A 167  VAL A 172  1  O  GLU A 171   N  ILE A 138           
SHEET    5   A 8 VAL A 188  VAL A 191  1  O  PHE A 190   N  VAL A 172           
SHEET    6   A 8 VAL A 220  ALA A 224  1  O  VAL A 222   N  VAL A 189           
SHEET    7   A 8 ALA A 230  LEU A 233 -1  O  ASP A 231   N  CYS A 223           
SHEET    8   A 8 LEU A 239  SER A 242 -1  O  LEU A 240   N  ALA A 232           
SHEET    1   B 4 SER A  34  GLY A  40  0                                        
SHEET    2   B 4 VAL A  13  VAL A  20 -1  N  VAL A  13   O  GLY A  40           
SHEET    3   B 4 ILE A  96  ASN A 102  1  O  ALA A  97   N  VAL A  16           
SHEET    4   B 4 ARG A 108  LEU A 111 -1  O  LEU A 111   N  THR A  98           
SHEET    1   C 2 SER A  62  MET A  63  0                                        
SHEET    2   C 2 VAL A  87  PHE A  88  1  O  VAL A  87   N  MET A  63           
SITE     1 AC1  9 ARG A 108  THR A 253  GLY A 255  ALA A 256                    
SITE     2 AC1  9 GLY A 257  ASP A 258  HOH A 349  HOH A 510                    
SITE     3 AC1  9 HOH A 536                                                     
SITE     1 AC2  4 GLY A  66  HIS A  67  HOH A 543  HOH A 544                    
SITE     1 AC3  3 ARG A 115  PRO A 118  HOH A 511                               
CRYST1   61.260  109.619  146.290  90.00  90.00  90.00 I 2 2 2       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      0.016324  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009123  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006836        0.00000