HEADER    TRANSFERASE                             07-JUL-07   2QJF              
TITLE     CRYSTAL STRUCTURE OF ATP-SULFURYLASE DOMAIN OF HUMAN PAPS SYNTHETASE 1
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BIFUNCTIONAL 3'-PHOSPHOADENOSINE 5'-PHOSPHOSULFATE         
COMPND   3 SYNTHETASE 1;                                                        
COMPND   4 CHAIN: A, B;                                                         
COMPND   5 FRAGMENT: SULFATE ADENYLYLTRANSFERASE DOMAIN, RESIDUE 220-624;       
COMPND   6 SYNONYM: PAPS SYNTHETASE 1, PAPSS 1, SULFURYLASE KINASE 1, SK1, SK 1;
COMPND   7 EC: 2.7.7.4;                                                         
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_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PGEX-RB                                   
KEYWDS    ATP-SULFURYLASE, PAPS-SYNTHETASE, MONOMER-DIMER EQUILLIBRIUM,         
KEYWDS   2 TRANSFERASE                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    N.SEKULIC,A.LAVIE                                                     
REVDAT   3   30-AUG-23 2QJF    1       REMARK                                   
REVDAT   2   24-FEB-09 2QJF    1       VERSN                                    
REVDAT   1   11-NOV-08 2QJF    0                                                
JRNL        AUTH   N.SEKULIC,I.PAARMANN,M.KONRAD,A.LAVIE                        
JRNL        TITL   ATP-SULFURYLASE DOMAIN OF HUMAN BIFUNCTIONAL PAPS-SYNTHETASE 
JRNL        TITL 2 OSCILLATES BETWEEN DIMERIC AND MONOMERIC FORMS               
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0005                                      
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) : 2.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 39520                          
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) : 0.173                           
REMARK   3   R VALUE            (WORKING SET) : 0.168                           
REMARK   3   FREE R VALUE                     : 0.225                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 10.000                          
REMARK   3   FREE R VALUE TEST SET COUNT      : 4395                            
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) : 2.20                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.26                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2863                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.97                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2070                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 350                          
REMARK   3   BIN FREE R VALUE                    : 0.2880                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6275                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 56                                      
REMARK   3   SOLVENT ATOMS            : 686                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 40.27                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 36.97                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.35000                                             
REMARK   3    B22 (A**2) : 0.01000                                              
REMARK   3    B33 (A**2) : -0.53000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : -1.11000                                             
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.299         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.216         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.148         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 5.842         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.962                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.935                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  6507 ; 0.010 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  8842 ; 1.425 ; 1.965       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   779 ; 5.858 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   309 ;33.940 ;23.463       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):  1090 ;16.279 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    48 ;18.712 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   935 ; 0.082 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  5014 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  2966 ; 0.203 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  4372 ; 0.305 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):   636 ; 0.197 ; 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):    84 ; 0.184 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    33 ; 0.211 ; 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):  3902 ; 0.686 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  6282 ; 1.333 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  2623 ; 1.922 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  2560 ; 3.176 ; 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   : 1.20                                          
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 RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 2QJF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-JUL-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000043673.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 07-JUN-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : APS                                
REMARK 200  BEAMLINE                       : 22-ID                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.91636501                         
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MAR CCD 165 MM                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XSCALE                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 43915                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.200                              
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     (%) : 99.6                               
REMARK 200  DATA REDUNDANCY                : 3.800                              
REMARK 200  R MERGE                    (I) : 0.10000                            
REMARK 200  R SYM                      (I) : 0.06800                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 12.6600                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.30                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.78                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.47700                            
REMARK 200  R SYM FOR SHELL            (I) : 0.41000                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.310                              
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: 1I2D                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.79                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.36                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MOTHER LIQUOR: 10% PEG 10K, 0.1M HEPES   
REMARK 280  PH 7.0; PROTEIN SOLUTION: 10MG/ML, ATP-SULFURYLASE, 5MM APS,        
REMARK 280  25MM TRIS/HCL PH 7.5, 25MM KCL, VAPOR DIFFUSION, HANGING DROP,      
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       49.95000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4810 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 32820 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -18.0 KCAL/MOL                        
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     LEU A   220                                                      
REMARK 465     GLN A   221                                                      
REMARK 465     GLU A   222                                                      
REMARK 465     ARG A   223                                                      
REMARK 465     ASP A   224                                                      
REMARK 465     ILE A   225                                                      
REMARK 465     VAL A   226                                                      
REMARK 465     PRO A   227                                                      
REMARK 465     VAL A   228                                                      
REMARK 465     ASP A   229                                                      
REMARK 465     ALA A   230                                                      
REMARK 465     SER A   231                                                      
REMARK 465     TYR A   232                                                      
REMARK 465     LYS A   623                                                      
REMARK 465     ALA A   624                                                      
REMARK 465     LEU B   220                                                      
REMARK 465     GLN B   221                                                      
REMARK 465     GLU B   222                                                      
REMARK 465     ARG B   223                                                      
REMARK 465     ASP B   224                                                      
REMARK 465     ILE B   225                                                      
REMARK 465     VAL B   226                                                      
REMARK 465     PRO B   227                                                      
REMARK 465     VAL B   228                                                      
REMARK 465     ASP B   229                                                      
REMARK 465     ALA B   230                                                      
REMARK 465     SER B   231                                                      
REMARK 465     LYS B   623                                                      
REMARK 465     ALA B   624                                                      
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 233    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 361    CG   CD   CE   NZ                                   
REMARK 470     LYS A 568    CG   CD   CE   NZ                                   
REMARK 470     GLN A 599    CG   CD   OE1  NE2                                  
REMARK 470     GLU A 616    CG   CD   OE1  OE2                                  
REMARK 470     TYR B 232    CG   CD1  CD2  CE1  CE2  CZ   OH                    
REMARK 470     GLU B 233    CG   CD   OE1  OE2                                  
REMARK 470     LEU B 246    CG   CD1  CD2                                       
REMARK 470     LYS B 361    CG   CD   CE   NZ                                   
REMARK 470     LYS B 408    CG   CD   CE   NZ                                   
REMARK 470     LYS B 437    CG   CD   CE   NZ                                   
REMARK 470     GLU B 531    CB   CG   CD   OE1  OE2                             
REMARK 470     LYS B 568    CG   CD   CE   NZ                                   
REMARK 470     LYS B 619    CG   CD   CE   NZ                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A  1014     O    HOH A  1342              1.59            
REMARK 500   O    HOH B  1105     O    HOH B  1325              1.78            
REMARK 500   O    HOH B  1032     O    HOH B  1317              1.93            
REMARK 500   O    HOH B  1119     O    HOH B  1327              1.99            
REMARK 500   O    HOH B  1047     O    HOH B  1279              2.07            
REMARK 500   O    HOH A  1084     O    HOH A  1097              2.11            
REMARK 500   O    HOH A  1274     O    HOH B  1335              2.17            
REMARK 500   O    HOH A  1066     O    HOH A  1188              2.19            
REMARK 500   OD1  ASP A   385     O    HOH A  1053              2.19            
REMARK 500   O    HOH A  1075     O    HOH A  1099              2.19            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A  1340     O    HOH B  1117     1655     1.99            
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    LEU A 384     -113.17    -98.37                                   
REMARK 500    GLU A 597       -9.29    177.46                                   
REMARK 500    ALA B 325      143.42   -172.44                                   
REMARK 500    LEU B 384      -96.91    -84.01                                   
REMARK 500    GLU B 531      -95.70    136.77                                   
REMARK 500    LEU B 621       24.09    -76.47                                   
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 K A1001                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE K B1002                   
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADX A 100                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADX B 100                 
DBREF  2QJF A  220   624  UNP    O43252   PAPS1_HUMAN    220    624             
DBREF  2QJF B  220   624  UNP    O43252   PAPS1_HUMAN    220    624             
SEQRES   1 A  405  LEU GLN GLU ARG ASP ILE VAL PRO VAL ASP ALA SER TYR          
SEQRES   2 A  405  GLU VAL LYS GLU LEU TYR VAL PRO GLU ASN LYS LEU HIS          
SEQRES   3 A  405  LEU ALA LYS THR ASP ALA GLU THR LEU PRO ALA LEU LYS          
SEQRES   4 A  405  ILE ASN LYS VAL ASP MET GLN TRP VAL GLN VAL LEU ALA          
SEQRES   5 A  405  GLU GLY TRP ALA THR PRO LEU ASN GLY PHE MET ARG GLU          
SEQRES   6 A  405  ARG GLU TYR LEU GLN CYS LEU HIS PHE ASP CYS LEU LEU          
SEQRES   7 A  405  ASP GLY GLY VAL ILE ASN LEU SER VAL PRO ILE VAL LEU          
SEQRES   8 A  405  THR ALA THR HIS GLU ASP LYS GLU ARG LEU ASP GLY CYS          
SEQRES   9 A  405  THR ALA PHE ALA LEU MET TYR GLU GLY ARG ARG VAL ALA          
SEQRES  10 A  405  ILE LEU ARG ASN PRO GLU PHE PHE GLU HIS ARG LYS GLU          
SEQRES  11 A  405  GLU ARG CYS ALA ARG GLN TRP GLY THR THR CYS LYS ASN          
SEQRES  12 A  405  HIS PRO TYR ILE LYS MET VAL MET GLU GLN GLY ASP TRP          
SEQRES  13 A  405  LEU ILE GLY GLY ASP LEU GLN VAL LEU ASP ARG VAL TYR          
SEQRES  14 A  405  TRP ASN ASP GLY LEU ASP GLN TYR ARG LEU THR PRO THR          
SEQRES  15 A  405  GLU LEU LYS GLN LYS PHE LYS ASP MET ASN ALA ASP ALA          
SEQRES  16 A  405  VAL PHE ALA PHE GLN LEU ARG ASN PRO VAL HIS ASN GLY          
SEQRES  17 A  405  HIS ALA LEU LEU MET GLN ASP THR HIS LYS GLN LEU LEU          
SEQRES  18 A  405  GLU ARG GLY TYR ARG ARG PRO VAL LEU LEU LEU HIS PRO          
SEQRES  19 A  405  LEU GLY GLY TRP THR LYS ASP ASP ASP VAL PRO LEU MET          
SEQRES  20 A  405  TRP ARG MET LYS GLN HIS ALA ALA VAL LEU GLU GLU GLY          
SEQRES  21 A  405  VAL LEU ASN PRO GLU THR THR VAL VAL ALA ILE PHE PRO          
SEQRES  22 A  405  SER PRO MET MET TYR ALA GLY PRO THR GLU VAL GLN TRP          
SEQRES  23 A  405  HIS CYS ARG ALA ARG MET VAL ALA GLY ALA ASN PHE TYR          
SEQRES  24 A  405  ILE VAL GLY ARG ASP PRO ALA GLY MET PRO HIS PRO GLU          
SEQRES  25 A  405  THR GLY LYS ASP LEU TYR GLU PRO SER HIS GLY ALA LYS          
SEQRES  26 A  405  VAL LEU THR MET ALA PRO GLY LEU ILE THR LEU GLU ILE          
SEQRES  27 A  405  VAL PRO PHE ARG VAL ALA ALA TYR ASN LYS LYS LYS LYS          
SEQRES  28 A  405  ARG MET ASP TYR TYR ASP SER GLU HIS HIS GLU ASP PHE          
SEQRES  29 A  405  GLU PHE ILE SER GLY THR ARG MET ARG LYS LEU ALA ARG          
SEQRES  30 A  405  GLU GLY GLN LYS PRO PRO GLU GLY PHE MET ALA PRO LYS          
SEQRES  31 A  405  ALA TRP THR VAL LEU THR GLU TYR TYR LYS SER LEU GLU          
SEQRES  32 A  405  LYS ALA                                                      
SEQRES   1 B  405  LEU GLN GLU ARG ASP ILE VAL PRO VAL ASP ALA SER TYR          
SEQRES   2 B  405  GLU VAL LYS GLU LEU TYR VAL PRO GLU ASN LYS LEU HIS          
SEQRES   3 B  405  LEU ALA LYS THR ASP ALA GLU THR LEU PRO ALA LEU LYS          
SEQRES   4 B  405  ILE ASN LYS VAL ASP MET GLN TRP VAL GLN VAL LEU ALA          
SEQRES   5 B  405  GLU GLY TRP ALA THR PRO LEU ASN GLY PHE MET ARG GLU          
SEQRES   6 B  405  ARG GLU TYR LEU GLN CYS LEU HIS PHE ASP CYS LEU LEU          
SEQRES   7 B  405  ASP GLY GLY VAL ILE ASN LEU SER VAL PRO ILE VAL LEU          
SEQRES   8 B  405  THR ALA THR HIS GLU ASP LYS GLU ARG LEU ASP GLY CYS          
SEQRES   9 B  405  THR ALA PHE ALA LEU MET TYR GLU GLY ARG ARG VAL ALA          
SEQRES  10 B  405  ILE LEU ARG ASN PRO GLU PHE PHE GLU HIS ARG LYS GLU          
SEQRES  11 B  405  GLU ARG CYS ALA ARG GLN TRP GLY THR THR CYS LYS ASN          
SEQRES  12 B  405  HIS PRO TYR ILE LYS MET VAL MET GLU GLN GLY ASP TRP          
SEQRES  13 B  405  LEU ILE GLY GLY ASP LEU GLN VAL LEU ASP ARG VAL TYR          
SEQRES  14 B  405  TRP ASN ASP GLY LEU ASP GLN TYR ARG LEU THR PRO THR          
SEQRES  15 B  405  GLU LEU LYS GLN LYS PHE LYS ASP MET ASN ALA ASP ALA          
SEQRES  16 B  405  VAL PHE ALA PHE GLN LEU ARG ASN PRO VAL HIS ASN GLY          
SEQRES  17 B  405  HIS ALA LEU LEU MET GLN ASP THR HIS LYS GLN LEU LEU          
SEQRES  18 B  405  GLU ARG GLY TYR ARG ARG PRO VAL LEU LEU LEU HIS PRO          
SEQRES  19 B  405  LEU GLY GLY TRP THR LYS ASP ASP ASP VAL PRO LEU MET          
SEQRES  20 B  405  TRP ARG MET LYS GLN HIS ALA ALA VAL LEU GLU GLU GLY          
SEQRES  21 B  405  VAL LEU ASN PRO GLU THR THR VAL VAL ALA ILE PHE PRO          
SEQRES  22 B  405  SER PRO MET MET TYR ALA GLY PRO THR GLU VAL GLN TRP          
SEQRES  23 B  405  HIS CYS ARG ALA ARG MET VAL ALA GLY ALA ASN PHE TYR          
SEQRES  24 B  405  ILE VAL GLY ARG ASP PRO ALA GLY MET PRO HIS PRO GLU          
SEQRES  25 B  405  THR GLY LYS ASP LEU TYR GLU PRO SER HIS GLY ALA LYS          
SEQRES  26 B  405  VAL LEU THR MET ALA PRO GLY LEU ILE THR LEU GLU ILE          
SEQRES  27 B  405  VAL PRO PHE ARG VAL ALA ALA TYR ASN LYS LYS LYS LYS          
SEQRES  28 B  405  ARG MET ASP TYR TYR ASP SER GLU HIS HIS GLU ASP PHE          
SEQRES  29 B  405  GLU PHE ILE SER GLY THR ARG MET ARG LYS LEU ALA ARG          
SEQRES  30 B  405  GLU GLY GLN LYS PRO PRO GLU GLY PHE MET ALA PRO LYS          
SEQRES  31 B  405  ALA TRP THR VAL LEU THR GLU TYR TYR LYS SER LEU GLU          
SEQRES  32 B  405  LYS ALA                                                      
HET      K  A1001       1                                                       
HET    ADX  A 100      27                                                       
HET      K  B1002       1                                                       
HET    ADX  B 100      27                                                       
HETNAM       K POTASSIUM ION                                                    
HETNAM     ADX ADENOSINE-5'-PHOSPHOSULFATE                                      
FORMUL   3    K    2(K 1+)                                                      
FORMUL   4  ADX    2(C10 H14 N5 O10 P S)                                        
FORMUL   7  HOH   *686(H2 O)                                                    
HELIX    1   1 LYS A  243  THR A  253  1                                  11    
HELIX    2   2 ASN A  260  GLY A  273  1                                  14    
HELIX    3   3 ARG A  283  ASP A  294  1                                  12    
HELIX    4   4 THR A  313  ASP A  321  1                                   9    
HELIX    5   5 ARG A  347  GLY A  357  1                                  11    
HELIX    6   6 HIS A  363  GLU A  371  1                                   9    
HELIX    7   7 LEU A  393  ARG A  397  5                                   5    
HELIX    8   8 THR A  399  MET A  410  1                                  12    
HELIX    9   9 HIS A  425  GLY A  443  1                                  19    
HELIX   10  10 PRO A  464  GLU A  478  1                                  15    
HELIX   11  11 ASN A  482  GLU A  484  5                                   3    
HELIX   12  12 ALA A  498  ALA A  513  1                                  16    
HELIX   13  13 SER A  540  ALA A  549  1                                  10    
HELIX   14  14 ASP A  576  GLU A  581  5                                   6    
HELIX   15  15 SER A  587  ARG A  596  1                                  10    
HELIX   16  16 ALA A  607  GLU A  622  1                                  16    
HELIX   17  17 PRO B  240  ASN B  242  5                                   3    
HELIX   18  18 LYS B  243  LEU B  254  1                                  12    
HELIX   19  19 ASN B  260  GLU B  272  1                                  13    
HELIX   20  20 ARG B  283  ASP B  294  1                                  12    
HELIX   21  21 THR B  313  ASP B  321  1                                   9    
HELIX   22  22 ARG B  347  GLY B  357  1                                  11    
HELIX   23  23 HIS B  363  GLU B  371  1                                   9    
HELIX   24  24 LEU B  393  ARG B  397  5                                   5    
HELIX   25  25 THR B  399  MET B  410  1                                  12    
HELIX   26  26 HIS B  425  GLY B  443  1                                  19    
HELIX   27  27 PRO B  464  GLU B  478  1                                  15    
HELIX   28  28 ASN B  482  GLU B  484  5                                   3    
HELIX   29  29 GLY B  499  ALA B  513  1                                  15    
HELIX   30  30 SER B  540  ALA B  549  1                                  10    
HELIX   31  31 ASP B  576  GLU B  581  5                                   6    
HELIX   32  32 SER B  587  GLU B  597  1                                  11    
HELIX   33  33 ALA B  607  LEU B  621  1                                  15    
SHEET    1   A 5 ALA A 256  LYS A 258  0                                        
SHEET    2   A 5 ALA A 325  TYR A 330  1  O  MET A 329   N  LEU A 257           
SHEET    3   A 5 ARG A 333  GLU A 345 -1  O  LEU A 338   N  PHE A 326           
SHEET    4   A 5 TRP A 375  VAL A 383 -1  O  ASP A 380   N  ARG A 339           
SHEET    5   A 5 GLY A 280  PHE A 281 -1  N  PHE A 281   O  GLY A 379           
SHEET    1   B 5 ALA A 256  LYS A 258  0                                        
SHEET    2   B 5 ALA A 325  TYR A 330  1  O  MET A 329   N  LEU A 257           
SHEET    3   B 5 ARG A 333  GLU A 345 -1  O  LEU A 338   N  PHE A 326           
SHEET    4   B 5 TRP A 375  VAL A 383 -1  O  ASP A 380   N  ARG A 339           
SHEET    5   B 5 LEU A 310  ALA A 312 -1  N  ALA A 312   O  TRP A 375           
SHEET    1   C 2 CYS A 295  LEU A 296  0                                        
SHEET    2   C 2 ILE A 302  ASN A 303 -1  O  ILE A 302   N  LEU A 296           
SHEET    1   D 5 THR A 486  VAL A 488  0                                        
SHEET    2   D 5 PRO A 447  PRO A 453  1  N  LEU A 449   O  VAL A 487           
SHEET    3   D 5 ALA A 414  LEU A 420  1  N  PHE A 418   O  LEU A 450           
SHEET    4   D 5 PHE A 517  VAL A 520  1  O  PHE A 517   N  ALA A 417           
SHEET    5   D 5 GLU A 556  PRO A 559  1  O  VAL A 558   N  TYR A 518           
SHEET    1   E 3 ARG A 571  TYR A 574  0                                        
SHEET    2   E 3 ALA A 563  ASN A 566 -1  N  ASN A 566   O  ARG A 571           
SHEET    3   E 3 PHE A 583  GLU A 584 -1  O  GLU A 584   N  TYR A 565           
SHEET    1   F 5 ALA B 256  LYS B 258  0                                        
SHEET    2   F 5 ALA B 325  TYR B 330  1  O  MET B 329   N  LEU B 257           
SHEET    3   F 5 ARG B 333  GLU B 345 -1  O  LEU B 338   N  PHE B 326           
SHEET    4   F 5 TRP B 375  VAL B 383 -1  O  ASP B 380   N  ARG B 339           
SHEET    5   F 5 LEU B 310  ALA B 312 -1  N  LEU B 310   O  ILE B 377           
SHEET    1   G 2 CYS B 295  LEU B 296  0                                        
SHEET    2   G 2 ILE B 302  ASN B 303 -1  O  ILE B 302   N  LEU B 296           
SHEET    1   H 5 THR B 486  VAL B 488  0                                        
SHEET    2   H 5 PRO B 447  PRO B 453  1  N  LEU B 449   O  VAL B 487           
SHEET    3   H 5 ALA B 414  LEU B 420  1  N  PHE B 416   O  LEU B 450           
SHEET    4   H 5 PHE B 517  VAL B 520  1  O  ILE B 519   N  ALA B 417           
SHEET    5   H 5 GLU B 556  PRO B 559  1  O  VAL B 558   N  TYR B 518           
SHEET    1   I 3 ARG B 571  TYR B 574  0                                        
SHEET    2   I 3 ALA B 563  ASN B 566 -1  N  ALA B 564   O  ASP B 573           
SHEET    3   I 3 PHE B 583  GLU B 584 -1  O  GLU B 584   N  TYR B 565           
CISPEP   1 THR A  276    PRO A  277          0         2.05                     
CISPEP   2 THR B  276    PRO B  277          0         2.25                     
SITE     1 AC1  2 HIS A 314  ASP A 374                                          
SITE     1 AC2  2 HIS B 314  ASP B 374                                          
SITE     1 AC3 21 PHE A 418  GLN A 419  LEU A 420  ARG A 421                    
SITE     2 AC3 21 ASN A 422  HIS A 428  LEU A 431  MET A 495                    
SITE     3 AC3 21 VAL A 520  GLY A 521  ARG A 522  PRO A 524                    
SITE     4 AC3 21 ALA A 525  ARG A 561  VAL A 562  ALA A 563                    
SITE     5 AC3 21 HOH A1073  HOH A1098  HOH A1100  HOH A1188                    
SITE     6 AC3 21 HOH A1235                                                     
SITE     1 AC4 20 PHE B 418  GLN B 419  LEU B 420  ARG B 421                    
SITE     2 AC4 20 ASN B 422  HIS B 428  LEU B 431  MET B 495                    
SITE     3 AC4 20 VAL B 520  GLY B 521  ARG B 522  PRO B 524                    
SITE     4 AC4 20 ALA B 525  ARG B 561  VAL B 562  ALA B 563                    
SITE     5 AC4 20 HOH B1018  HOH B1046  HOH B1049  HOH B1068                    
CRYST1   63.100   99.900   75.900  90.00 113.00  90.00 P 1 21 1      4          
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      0.015848  0.000000  0.006727        0.00000                         
SCALE2      0.000000  0.010010  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014313        0.00000