HEADER    TRANSFERASE                             03-APR-07   2PEY              
TITLE     CRYSTAL STRUCTURE OF DELETION MUTANT OF APS-KINASE DOMAIN OF HUMAN    
TITLE    2 PAPS-SYNTHETASE 1                                                    
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BIFUNCTIONAL 3'-PHOSPHOADENOSINE 5'-PHOSPHOSULFATE         
COMPND   3 SYNTHETASE 1 (PAPS SYNTHETASE 1) (PAPSS 1) (SULFURYLASE KINASE 1)    
COMPND   4 (SK1) (SK 1);                                                        
COMPND   5 CHAIN: A, B;                                                         
COMPND   6 FRAGMENT: APS-KINASE DOMAIN (RESIDUES 51-226);                       
COMPND   7 EC: 2.7.1.25;                                                        
COMPND   8 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: PAPSS1, ATPSK1, PAPSS;                                         
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL-21 CODON PLUS;                          
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PGEX-RB IN WHICH THE THROMBIN SITE WAS    
SOURCE  11 REPLACED BY TEV CUTTING SITE                                         
KEYWDS    PROTEIN-NUCLEIC ACID COMPLEX, NMP-KINASE FOLD, TRANSFERASE            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.SEKULIC,A.LAVIE                                                     
REVDAT   4   30-AUG-23 2PEY    1       REMARK                                   
REVDAT   3   09-SEP-20 2PEY    1       TITLE  REMARK SEQADV                     
REVDAT   2   13-MAY-08 2PEY    1       JRNL   VERSN                             
REVDAT   1   29-MAY-07 2PEY    0                                                
JRNL        AUTH   N.SEKULIC,M.KONRAD,A.LAVIE                                   
JRNL        TITL   STRUCTURAL MECHANISM FOR SUBSTRATE INHIBITION OF THE         
JRNL        TITL 2 ADENOSINE 5'-PHOSPHOSULFATE KINASE DOMAIN OF HUMAN           
JRNL        TITL 3 3'-PHOSPHOADENOSINE 5'-PHOSPHOSULFATE SYNTHETASE 1 AND ITS   
JRNL        TITL 4 RAMIFICATIONS FOR ENZYME REGULATION.                         
JRNL        REF    J.BIOL.CHEM.                  V. 282 22112 2007              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   17540769                                                     
JRNL        DOI    10.1074/JBC.M701713200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.88 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.88                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 26048                          
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) : 0.204                           
REMARK   3   R VALUE            (WORKING SET) : 0.199                           
REMARK   3   FREE R VALUE                     : 0.253                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.100                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 2915                            
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) : 1.88                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.93                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1325                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 69.15                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3320                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 159                          
REMARK   3   BIN FREE R VALUE                    : 0.3890                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2578                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 79                                      
REMARK   3   SOLVENT ATOMS            : 172                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.69                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 3.08000                                              
REMARK   3    B22 (A**2) : -0.78000                                             
REMARK   3    B33 (A**2) : -2.29000                                             
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): 0.172         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.165         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.130         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 4.634         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.949                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.914                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  2706 ; 0.012 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  3684 ; 1.487 ; 2.002       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   329 ; 5.653 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   129 ;32.917 ;24.884       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   443 ;14.318 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    18 ;16.674 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   413 ; 0.091 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2046 ; 0.005 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  1187 ; 0.201 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  1835 ; 0.307 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   181 ; 0.146 ; 0.200       
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):    47 ; 0.171 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    10 ; 0.155 ; 0.200       
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):  1691 ; 0.854 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  2658 ; 1.418 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1147 ; 2.157 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1026 ; 3.327 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
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 : MASK                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
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 RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2PEY COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 04-APR-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000042302.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 07-APR-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 193                                
REMARK 200  PH                             : 5.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 22-BM                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 29201                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.880                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.0                               
REMARK 200  DATA REDUNDANCY                : 6.900                              
REMARK 200  R MERGE                    (I) : 0.08600                            
REMARK 200  R SYM                      (I) : 8.40000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 16.6300                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.88                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.00                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 82.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.40                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.38800                            
REMARK 200  R SYM FOR SHELL            (I) : 38.7000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 4.140                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 2OFX                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.62                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.30                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: RESERVOIR: 16-20% PEG 3350, 0.25-0.15    
REMARK 280  M DIAMMONIUM HYDROGEN CITRATE, DROP: 3.2 MG/ML PROTEIN SOLUTION,    
REMARK 280  2MM DADP, 2MM APS, 5MM MGCL2, PH 5.0, VAPOR DIFFUSION, HANGING      
REMARK 280  DROP, TEMPERATURE 293K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-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       21.71500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       69.46000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       29.87500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       69.46000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       21.71500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       29.87500            
REMARK 290   SMTRY3   4  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: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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     GLY A    -2                                                      
REMARK 465     HIS A    -1                                                      
REMARK 465     MET A     0                                                      
REMARK 465     GLY B    -2                                                      
REMARK 465     HIS B    -1                                                      
REMARK 465     MET B     0                                                      
REMARK 465     LYS B   171                                                      
REMARK 465     GLY B   172                                                      
REMARK 465     LEU B   173                                                      
REMARK 465     TYR B   174                                                      
REMARK 465     LYS B   175                                                      
REMARK 465     LYS B   176                                                      
REMARK 465     ALA B   177                                                      
REMARK 465     ARG B   178                                                      
REMARK 465     ALA B   179                                                      
REMARK 465     GLY B   180                                                      
REMARK 465     GLU B   181                                                      
REMARK 465     ILE B   182                                                      
REMARK 465     LYS B   183                                                      
REMARK 465     GLY B   184                                                      
REMARK 465     PHE B   185                                                      
REMARK 465     THR B   186                                                      
REMARK 465     GLY B   187                                                      
REMARK 465     ILE B   188                                                      
REMARK 465     ASP B   189                                                      
REMARK 465     SER B   190                                                      
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     ARG B  51    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     GLU B 191    CG   CD   OE1  OE2                                  
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 A  98       31.56    -96.87                                   
REMARK 500    SER A 133       66.73     38.04                                   
REMARK 500    ASP A 169       70.80     15.03                                   
REMARK 500    ALA A 197       58.99   -143.79                                   
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 ADX A 400                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DAT A 300                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DAT B 227                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2PEZ   RELATED DB: PDB                                   
DBREF  2PEY A   51   226  UNP    O43252   PAPS1_HUMAN     51    226             
DBREF  2PEY B   51   226  UNP    O43252   PAPS1_HUMAN     51    226             
SEQADV 2PEY GLY A   -2  UNP  O43252              CLONING ARTIFACT               
SEQADV 2PEY HIS A   -1  UNP  O43252              CLONING ARTIFACT               
SEQADV 2PEY MET A    0  UNP  O43252              CLONING ARTIFACT               
SEQADV 2PEY GLY B   -2  UNP  O43252              CLONING ARTIFACT               
SEQADV 2PEY HIS B   -1  UNP  O43252              CLONING ARTIFACT               
SEQADV 2PEY MET B    0  UNP  O43252              CLONING ARTIFACT               
SEQRES   1 A  179  GLY HIS MET ARG GLY CYS THR VAL TRP LEU THR GLY LEU          
SEQRES   2 A  179  SER GLY ALA GLY LYS THR THR VAL SER MET ALA LEU GLU          
SEQRES   3 A  179  GLU TYR LEU VAL CYS HIS GLY ILE PRO CYS TYR THR LEU          
SEQRES   4 A  179  ASP GLY ASP ASN ILE ARG GLN GLY LEU ASN LYS ASN LEU          
SEQRES   5 A  179  GLY PHE SER PRO GLU ASP ARG GLU GLU ASN VAL ARG ARG          
SEQRES   6 A  179  ILE ALA GLU VAL ALA LYS LEU PHE ALA ASP ALA GLY LEU          
SEQRES   7 A  179  VAL CYS ILE THR SER PHE ILE SER PRO TYR THR GLN ASP          
SEQRES   8 A  179  ARG ASN ASN ALA ARG GLN ILE HIS GLU GLY ALA SER LEU          
SEQRES   9 A  179  PRO PHE PHE GLU VAL PHE VAL ASP ALA PRO LEU HIS VAL          
SEQRES  10 A  179  CYS GLU GLN ARG ASP VAL LYS GLY LEU TYR LYS LYS ALA          
SEQRES  11 A  179  ARG ALA GLY GLU ILE LYS GLY PHE THR GLY ILE ASP SER          
SEQRES  12 A  179  GLU TYR GLU LYS PRO GLU ALA PRO GLU LEU VAL LEU LYS          
SEQRES  13 A  179  THR ASP SER CYS ASP VAL ASN ASP CYS VAL GLN GLN VAL          
SEQRES  14 A  179  VAL GLU LEU LEU GLN GLU ARG ASP ILE VAL                      
SEQRES   1 B  179  GLY HIS MET ARG GLY CYS THR VAL TRP LEU THR GLY LEU          
SEQRES   2 B  179  SER GLY ALA GLY LYS THR THR VAL SER MET ALA LEU GLU          
SEQRES   3 B  179  GLU TYR LEU VAL CYS HIS GLY ILE PRO CYS TYR THR LEU          
SEQRES   4 B  179  ASP GLY ASP ASN ILE ARG GLN GLY LEU ASN LYS ASN LEU          
SEQRES   5 B  179  GLY PHE SER PRO GLU ASP ARG GLU GLU ASN VAL ARG ARG          
SEQRES   6 B  179  ILE ALA GLU VAL ALA LYS LEU PHE ALA ASP ALA GLY LEU          
SEQRES   7 B  179  VAL CYS ILE THR SER PHE ILE SER PRO TYR THR GLN ASP          
SEQRES   8 B  179  ARG ASN ASN ALA ARG GLN ILE HIS GLU GLY ALA SER LEU          
SEQRES   9 B  179  PRO PHE PHE GLU VAL PHE VAL ASP ALA PRO LEU HIS VAL          
SEQRES  10 B  179  CYS GLU GLN ARG ASP VAL LYS GLY LEU TYR LYS LYS ALA          
SEQRES  11 B  179  ARG ALA GLY GLU ILE LYS GLY PHE THR GLY ILE ASP SER          
SEQRES  12 B  179  GLU TYR GLU LYS PRO GLU ALA PRO GLU LEU VAL LEU LYS          
SEQRES  13 B  179  THR ASP SER CYS ASP VAL ASN ASP CYS VAL GLN GLN VAL          
SEQRES  14 B  179  VAL GLU LEU LEU GLN GLU ARG ASP ILE VAL                      
HET    ADX  A 400      27                                                       
HET    DAT  A 300      26                                                       
HET    DAT  B 227      26                                                       
HETNAM     ADX ADENOSINE-5'-PHOSPHOSULFATE                                      
HETNAM     DAT 2'-DEOXYADENOSINE-5'-DIPHOSPHATE                                 
HETSYN     DAT DADP                                                             
FORMUL   3  ADX    C10 H14 N5 O10 P S                                           
FORMUL   4  DAT    2(C10 H15 N5 O9 P2)                                          
FORMUL   6  HOH   *172(H2 O)                                                    
HELIX    1   1 GLY A   64  HIS A   79  1                                  16    
HELIX    2   2 GLY A   88  ARG A   92  1                                   5    
HELIX    3   3 SER A  102  ALA A  123  1                                  22    
HELIX    4   4 TYR A  135  ALA A  149  1                                  15    
HELIX    5   5 PRO A  161  ASP A  169  1                                   9    
HELIX    6   6 GLY A  172  ALA A  179  1                                   8    
HELIX    7   7 ASP A  208  ARG A  223  1                                  16    
HELIX    8   8 GLY B   64  HIS B   79  1                                  16    
HELIX    9   9 ASP B   87  ARG B   92  1                                   6    
HELIX   10  10 SER B  102  GLY B  124  1                                  23    
HELIX   11  11 TYR B  135  GLY B  148  1                                  14    
HELIX   12  12 PRO B  161  ASP B  169  1                                   9    
HELIX   13  13 ASP B  208  ARG B  223  1                                  16    
SHEET    1   A 5 CYS A  83  ASP A  87  0                                        
SHEET    2   A 5 VAL A 126  SER A 130  1  O  ILE A 128   N  LEU A  86           
SHEET    3   A 5 CYS A  53  THR A  58  1  N  CYS A  53   O  CYS A 127           
SHEET    4   A 5 PHE A 153  VAL A 158  1  O  PHE A 154   N  THR A  54           
SHEET    5   A 5 LEU A 200  LEU A 202  1  O  LEU A 202   N  PHE A 157           
SHEET    1   B 5 CYS B  83  LEU B  86  0                                        
SHEET    2   B 5 VAL B 126  SER B 130  1  O  ILE B 128   N  LEU B  86           
SHEET    3   B 5 CYS B  53  THR B  58  1  N  CYS B  53   O  CYS B 127           
SHEET    4   B 5 PHE B 153  ASP B 159  1  O  VAL B 158   N  THR B  58           
SHEET    5   B 5 LEU B 200  LYS B 203  1  O  LEU B 202   N  PHE B 157           
SITE     1 AC1 16 ARG A  92  PHE A 101  ARG A 106  ASN A 109                    
SITE     2 AC1 16 PHE A 131  ILE A 132  SER A 133  PRO A 134                    
SITE     3 AC1 16 LEU A 173  GLY A 184  PHE A 185  THR A 186                    
SITE     4 AC1 16 HOH A 414  HOH A 419  HOH A 444  HOH A 459                    
SITE     1 AC2 18 LEU A  60  GLY A  62  ALA A  63  GLY A  64                    
SITE     2 AC2 18 LYS A  65  THR A  66  THR A  67  ARG A 168                    
SITE     3 AC2 18 THR A 204  CYS A 207  ASP A 208  VAL A 209                    
SITE     4 AC2 18 HOH A 414  HOH A 432  HOH A 443  HOH A 452                    
SITE     5 AC2 18 HIS B 163  GLN B 167                                          
SITE     1 AC3 19 HIS A 163  GLN A 167  LEU B  60  GLY B  62                    
SITE     2 AC3 19 ALA B  63  GLY B  64  LYS B  65  THR B  66                    
SITE     3 AC3 19 THR B  67  VAL B  68  ARG B 168  VAL B 170                    
SITE     4 AC3 19 THR B 204  CYS B 207  ASP B 208  VAL B 209                    
SITE     5 AC3 19 HOH B 251  HOH B 263  HOH B 277                               
CRYST1   43.430   59.750  138.920  90.00  90.00  90.00 P 21 21 21    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      0.023026  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.016736  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007198        0.00000