HEADER    ISOMERASE                               17-JUL-20   6ZTC              
TITLE     CRYSTAL STRUCTURE OF PROSTAGLANDIN D2 SYNTHASE IN COMPLEX WITH        
TITLE    2 FRAGMENT 1A AT 1.84A RESOLUTION.                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HEMATOPOIETIC PROSTAGLANDIN D SYNTHASE;                    
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: H-PGDS,GST CLASS-SIGMA,GLUTATHIONE S-TRANSFERASE,           
COMPND   5 GLUTATHIONE-DEPENDENT PGD SYNTHASE,GLUTATHIONE-REQUIRING             
COMPND   6 PROSTAGLANDIN D SYNTHASE,PROSTAGLANDIN-H2 D-ISOMERASE;               
COMPND   7 EC: 5.3.99.2,2.5.1.18;                                               
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: HPGDS, GSTS, PGDS, PTGDS2;                                     
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PROSTAGLANDIN BIOSYNTHESIS, FATTY ACID BIOSYNTHESIS, PROSTAGLANDIN D2 
KEYWDS   2 SYNTHASE, PGDS, ASTHMA, CYTOPLASM, ISOMERASE, LIPID SYNTHESIS        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.O.SOMERS                                                            
REVDAT   3   01-MAY-24 6ZTC    1       REMARK                                   
REVDAT   2   29-MAR-23 6ZTC    1       JRNL                                     
REVDAT   1   28-JUL-21 6ZTC    0                                                
JRNL        AUTH   C.A.SCHULTE,D.N.DEATON,E.DIAZ,Y.DO,R.T.GAMPE,J.H.GUSS,       
JRNL        AUTH 2 A.P.HANCOCK,H.HOBBS,S.T.HODGSON,J.HOLT,M.R.JEUNE,K.M.KAHLER, 
JRNL        AUTH 3 H.F.KRAMER,J.LE,P.N.MORTENSON,C.MUSETTI,R.T.NOLTE,           
JRNL        AUTH 4 L.A.ORBAND-MILLER,G.E.PECKHAM,K.G.PETROV,B.L.PIETRAK,        
JRNL        AUTH 5 C.POOLE,D.J.PRICE,G.SAXTY,A.SHILLINGS,T.L.SMALLEY JR.,       
JRNL        AUTH 6 D.O.SOMERS,E.L.STEWART,J.D.STUART,S.A.THOMSON                
JRNL        TITL   A KNOWLEDGE-BASED, STRUCTURAL-AIDED DISCOVERY OF A NOVEL     
JRNL        TITL 2 CLASS OF 2-PHENYLIMIDAZO[1,2-A]PYRIDINE-6-CARBOXAMIDE H-PGDS 
JRNL        TITL 3 INHIBITORS.                                                  
JRNL        REF    BIOORG.MED.CHEM.LETT.         V.  47 28113 2021              
JRNL        REFN                   ESSN 1464-3405                               
JRNL        PMID   33991628                                                     
JRNL        DOI    10.1016/J.BMCL.2021.128113                                   
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.84 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0258                                      
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) : 1.84                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.0                           
REMARK   3   NUMBER OF REFLECTIONS             : 35983                          
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) : 0.167                           
REMARK   3   R VALUE            (WORKING SET) : 0.164                           
REMARK   3   FREE R VALUE                     : 0.227                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1890                            
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) : 1.84                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.89                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 2553                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 93.64                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2880                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 126                          
REMARK   3   BIN FREE R VALUE                    : 0.3220                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3296                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 99                                      
REMARK   3   SOLVENT ATOMS            : 602                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 25.25                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 31.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.76000                                             
REMARK   3    B22 (A**2) : -1.31000                                             
REMARK   3    B33 (A**2) : 1.93000                                              
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.35000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.140         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.144         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.111         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 3.824         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.970                         
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):  3528 ; 0.006 ; 0.012       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4797 ; 1.402 ; 1.654       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   407 ; 4.881 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   195 ;31.676 ;22.410       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   600 ;12.772 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    21 ;13.344 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   449 ; 0.109 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2776 ; 0.007 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
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 : 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: U VALUES : REFINED INDIVIDUALLY           
REMARK   4                                                                      
REMARK   4 6ZTC COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 17-JUL-20.                  
REMARK 100 THE DEPOSITION ID IS D_1292110148.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 21-APR-10                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.4                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU FR-E+                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : NI FILTER                          
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 345 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : TRUNCATE 6.1                       
REMARK 200  DATA SCALING SOFTWARE          : SCALA 3.3.15                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 37894                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.840                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 21.054                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.4                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06000                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.3000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.84                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.94                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.5                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.48500                            
REMARK 200  R SYM FOR SHELL            (I) : 0.48500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: REFMAC                                                
REMARK 200 STARTING MODEL: COORDINATES DETERMINED IN-HOUSE                      
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.36                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG6000, DIOXANE, TRIS-HCL, GLYCEROL.,   
REMARK 280  PH 8.4, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K             
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       34.08150            
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: 5040 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 18380 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -37.0 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     GLY A     0                                                      
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 B   301     O    HOH B   317              1.96            
REMARK 500   OE1  GLU A    30     O    HOH A   301              2.13            
REMARK 500   O    HOH A   359     O    HOH B   305              2.13            
REMARK 500   O    HOH A   306     O    HOH A   532              2.16            
REMARK 500   O    ALA B    78     O    HOH B   301              2.16            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    HOH A   349     O    HOH B   410     2645     2.02            
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    GLN A  63      110.22     79.46                                   
REMARK 500    MET B  11      146.80   -172.24                                   
REMARK 500    PRO B  40      -39.84    -37.98                                   
REMARK 500    PRO B  47      -36.26    -38.93                                   
REMARK 500    GLN B  63      110.19     77.31                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 576        DISTANCE =  6.27 ANGSTROMS                       
REMARK 525    HOH B 626        DISTANCE =  6.06 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG A 202  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 351   O                                                      
REMARK 620 2 HOH A 385   O    91.8                                              
REMARK 620 3 HOH A 442   O    98.1  95.5                                        
REMARK 620 4 HOH B 340   O   178.3  89.7  81.0                                  
REMARK 620 5 HOH B 352   O    81.6  98.8 165.6  99.0                            
REMARK 620 6 HOH B 392   O    92.7 170.5  75.6  85.7  90.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GSH A 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MG A 202                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue QPN A 203                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 204                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL A 205                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GSH B 201                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue QPN B 202                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue GOL B 203                 
DBREF  6ZTC A    1   199  UNP    O60760   HPGDS_HUMAN      1    199             
DBREF  6ZTC B    1   199  UNP    O60760   HPGDS_HUMAN      1    199             
SEQADV 6ZTC GLY A    0  UNP  O60760              EXPRESSION TAG                 
SEQADV 6ZTC GLY B    0  UNP  O60760              EXPRESSION TAG                 
SEQRES   1 A  200  GLY MET PRO ASN TYR LYS LEU THR TYR PHE ASN MET ARG          
SEQRES   2 A  200  GLY ARG ALA GLU ILE ILE ARG TYR ILE PHE ALA TYR LEU          
SEQRES   3 A  200  ASP ILE GLN TYR GLU ASP HIS ARG ILE GLU GLN ALA ASP          
SEQRES   4 A  200  TRP PRO GLU ILE LYS SER THR LEU PRO PHE GLY LYS ILE          
SEQRES   5 A  200  PRO ILE LEU GLU VAL ASP GLY LEU THR LEU HIS GLN SER          
SEQRES   6 A  200  LEU ALA ILE ALA ARG TYR LEU THR LYS ASN THR ASP LEU          
SEQRES   7 A  200  ALA GLY ASN THR GLU MET GLU GLN CYS HIS VAL ASP ALA          
SEQRES   8 A  200  ILE VAL ASP THR LEU ASP ASP PHE MET SER CYS PHE PRO          
SEQRES   9 A  200  TRP ALA GLU LYS LYS GLN ASP VAL LYS GLU GLN MET PHE          
SEQRES  10 A  200  ASN GLU LEU LEU THR TYR ASN ALA PRO HIS LEU MET GLN          
SEQRES  11 A  200  ASP LEU ASP THR TYR LEU GLY GLY ARG GLU TRP LEU ILE          
SEQRES  12 A  200  GLY ASN SER VAL THR TRP ALA ASP PHE TYR TRP GLU ILE          
SEQRES  13 A  200  CYS SER THR THR LEU LEU VAL PHE LYS PRO ASP LEU LEU          
SEQRES  14 A  200  ASP ASN HIS PRO ARG LEU VAL THR LEU ARG LYS LYS VAL          
SEQRES  15 A  200  GLN ALA ILE PRO ALA VAL ALA ASN TRP ILE LYS ARG ARG          
SEQRES  16 A  200  PRO GLN THR LYS LEU                                          
SEQRES   1 B  200  GLY MET PRO ASN TYR LYS LEU THR TYR PHE ASN MET ARG          
SEQRES   2 B  200  GLY ARG ALA GLU ILE ILE ARG TYR ILE PHE ALA TYR LEU          
SEQRES   3 B  200  ASP ILE GLN TYR GLU ASP HIS ARG ILE GLU GLN ALA ASP          
SEQRES   4 B  200  TRP PRO GLU ILE LYS SER THR LEU PRO PHE GLY LYS ILE          
SEQRES   5 B  200  PRO ILE LEU GLU VAL ASP GLY LEU THR LEU HIS GLN SER          
SEQRES   6 B  200  LEU ALA ILE ALA ARG TYR LEU THR LYS ASN THR ASP LEU          
SEQRES   7 B  200  ALA GLY ASN THR GLU MET GLU GLN CYS HIS VAL ASP ALA          
SEQRES   8 B  200  ILE VAL ASP THR LEU ASP ASP PHE MET SER CYS PHE PRO          
SEQRES   9 B  200  TRP ALA GLU LYS LYS GLN ASP VAL LYS GLU GLN MET PHE          
SEQRES  10 B  200  ASN GLU LEU LEU THR TYR ASN ALA PRO HIS LEU MET GLN          
SEQRES  11 B  200  ASP LEU ASP THR TYR LEU GLY GLY ARG GLU TRP LEU ILE          
SEQRES  12 B  200  GLY ASN SER VAL THR TRP ALA ASP PHE TYR TRP GLU ILE          
SEQRES  13 B  200  CYS SER THR THR LEU LEU VAL PHE LYS PRO ASP LEU LEU          
SEQRES  14 B  200  ASP ASN HIS PRO ARG LEU VAL THR LEU ARG LYS LYS VAL          
SEQRES  15 B  200  GLN ALA ILE PRO ALA VAL ALA ASN TRP ILE LYS ARG ARG          
SEQRES  16 B  200  PRO GLN THR LYS LEU                                          
HET    GSH  A 201      20                                                       
HET     MG  A 202       1                                                       
HET    QPN  A 203      20                                                       
HET    GOL  A 204       6                                                       
HET    GOL  A 205       6                                                       
HET    GSH  B 201      20                                                       
HET    QPN  B 202      20                                                       
HET    GOL  B 203       6                                                       
HETNAM     GSH GLUTATHIONE                                                      
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     QPN 1-[1-(3-FLUOROPHENYL)-6,7-DIHYDRO-4~{H}-PYRAZOLO[4,3-            
HETNAM   2 QPN  C]PYRIDIN-5-YL]PROPAN-1-ONE                                     
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   3  GSH    2(C10 H17 N3 O6 S)                                           
FORMUL   4   MG    MG 2+                                                        
FORMUL   5  QPN    2(C15 H16 F N3 O)                                            
FORMUL   6  GOL    3(C3 H8 O3)                                                  
FORMUL  11  HOH   *602(H2 O)                                                    
HELIX    1 AA1 ARG A   12  ARG A   14  5                                   3    
HELIX    2 AA2 ALA A   15  LEU A   25  1                                  11    
HELIX    3 AA3 GLU A   35  ALA A   37  5                                   3    
HELIX    4 AA4 ASP A   38  SER A   44  1                                   7    
HELIX    5 AA5 GLN A   63  LYS A   73  1                                  11    
HELIX    6 AA6 THR A   81  CYS A  101  1                                  21    
HELIX    7 AA7 LYS A  108  ASN A  123  1                                  16    
HELIX    8 AA8 ASN A  123  GLY A  136  1                                  14    
HELIX    9 AA9 THR A  147  LYS A  164  1                                  18    
HELIX   10 AB1 HIS A  171  ILE A  184  1                                  14    
HELIX   11 AB2 ILE A  184  ARG A  194  1                                  11    
HELIX   12 AB3 ARG B   12  ARG B   14  5                                   3    
HELIX   13 AB4 ALA B   15  ASP B   26  1                                  12    
HELIX   14 AB5 ASP B   38  SER B   44  1                                   7    
HELIX   15 AB6 GLN B   63  LYS B   73  1                                  11    
HELIX   16 AB7 THR B   81  PHE B  102  1                                  22    
HELIX   17 AB8 LYS B  108  TYR B  122  1                                  15    
HELIX   18 AB9 TYR B  122  GLY B  136  1                                  15    
HELIX   19 AC1 THR B  147  LYS B  164  1                                  18    
HELIX   20 AC2 HIS B  171  ILE B  184  1                                  14    
HELIX   21 AC3 ILE B  184  ARG B  194  1                                  11    
SHEET    1 AA1 4 GLU A  30  ILE A  34  0                                        
SHEET    2 AA1 4 TYR A   4  PHE A   9  1  N  LEU A   6   O  GLU A  30           
SHEET    3 AA1 4 ILE A  53  VAL A  56 -1  O  GLU A  55   N  LYS A   5           
SHEET    4 AA1 4 LEU A  59  HIS A  62 -1  O  LEU A  59   N  VAL A  56           
SHEET    1 AA2 4 GLU B  30  ILE B  34  0                                        
SHEET    2 AA2 4 TYR B   4  PHE B   9  1  N  TYR B   4   O  GLU B  30           
SHEET    3 AA2 4 ILE B  53  VAL B  56 -1  O  GLU B  55   N  LYS B   5           
SHEET    4 AA2 4 LEU B  59  HIS B  62 -1  O  LEU B  61   N  LEU B  54           
LINK        MG    MG A 202                 O   HOH A 351     1555   1555  2.12  
LINK        MG    MG A 202                 O   HOH A 385     1555   1555  2.11  
LINK        MG    MG A 202                 O   HOH A 442     1555   1555  2.13  
LINK        MG    MG A 202                 O   HOH B 340     1555   1555  2.05  
LINK        MG    MG A 202                 O   HOH B 352     1555   1555  2.11  
LINK        MG    MG A 202                 O   HOH B 392     1555   1555  2.30  
CISPEP   1 ILE A   51    PRO A   52          0         5.70                     
CISPEP   2 ILE B   51    PRO B   52          0         4.71                     
SITE     1 AC1 17 TYR A   8  ARG A  14  TRP A  39  LYS A  43                    
SITE     2 AC1 17 LYS A  50  ILE A  51  GLN A  63  SER A  64                    
SITE     3 AC1 17 QPN A 203  HOH A 324  HOH A 340  HOH A 374                    
SITE     4 AC1 17 HOH A 386  HOH A 421  HOH A 424  HOH A 450                    
SITE     5 AC1 17 ASP B  97                                                     
SITE     1 AC2  6 HOH A 351  HOH A 385  HOH A 442  HOH B 340                    
SITE     2 AC2  6 HOH B 352  HOH B 392                                          
SITE     1 AC3 10 GLY A  13  ARG A  14  ASP A  96  MET A  99                    
SITE     2 AC3 10 SER A 100  TRP A 104  TYR A 152  LEU A 199                    
SITE     3 AC3 10 GSH A 201  HOH A 355                                          
SITE     1 AC4  4 GLU A  82  HOH A 359  TYR B  70  LYS B  73                    
SITE     1 AC5  3 GLU A  55  THR A  60  HOH A 481                               
SITE     1 AC6 16 ASP A  97  TYR B   8  ARG B  14  TRP B  39                    
SITE     2 AC6 16 LYS B  43  LYS B  50  ILE B  51  GLN B  63                    
SITE     3 AC6 16 SER B  64  QPN B 202  HOH B 328  HOH B 346                    
SITE     4 AC6 16 HOH B 397  HOH B 404  HOH B 449  HOH B 502                    
SITE     1 AC7 13 TYR B   8  MET B  11  GLY B  13  ARG B  14                    
SITE     2 AC7 13 ASP B  96  MET B  99  SER B 100  TRP B 104                    
SITE     3 AC7 13 TYR B 152  THR B 159  LEU B 199  GSH B 201                    
SITE     4 AC7 13 HOH B 332                                                     
SITE     1 AC8  4 LYS B 112  HOH B 307  HOH B 316  HOH B 487                    
CRYST1   49.071   68.163   68.517  90.00  96.70  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      0.020379  0.000000  0.002393        0.00000                         
SCALE2      0.000000  0.014671  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014695        0.00000