HEADER    OXIDOREDUCTASE                          16-OCT-07   2ZB3              
TITLE     CRYSTAL STRUCTURE OF MOUSE 15-KETOPROSTAGLANDIN DELTA-13-REDUCTASE IN 
TITLE    2 COMPLEX WITH NADPH                                                   
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROSTAGLANDIN REDUCTASE 2;                                 
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PTGR2, 15-OXOPROSTAGLANDIN 13-REDUCTASE, ZINC-BINDING       
COMPND   5 ALCOHOL DEHYDROGENASE DOMAIN-CONTAINING PROTEIN 1;                   
COMPND   6 EC: 1.3.1.48;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MUS MUSCULUS;                                   
SOURCE   3 ORGANISM_COMMON: MOUSE;                                              
SOURCE   4 ORGANISM_TAXID: 10090;                                               
SOURCE   5 GENE: PTGR2, ZADH1;                                                  
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PGEX4T                                    
KEYWDS    ROSSMANN FOLD, OXIDOREDUCTASE                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    Y.H.WU,A.H.J.WANG,T.P.KO,R.T.GUO,S.M.HU,L.M.CHUANG                    
REVDAT   5   01-NOV-23 2ZB3    1       REMARK SEQADV                            
REVDAT   4   09-JUN-09 2ZB3    1       REVDAT                                   
REVDAT   3   24-FEB-09 2ZB3    1       VERSN                                    
REVDAT   2   23-DEC-08 2ZB3    1       JRNL                                     
REVDAT   1   30-SEP-08 2ZB3    0                                                
JRNL        AUTH   Y.H.WU,T.P.KO,R.T.GUO,S.M.HU,L.M.CHUANG,A.H.J.WANG           
JRNL        TITL   STRUCTURAL BASIS FOR CATALYTIC AND INHIBITORY MECHANISMS OF  
JRNL        TITL 2 HUMAN PROSTAGLANDIN REDUCTASE PTGR2.                         
JRNL        REF    STRUCTURE                     V.  16  1714 2008              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   19000823                                                     
JRNL        DOI    10.1016/J.STR.2008.09.007                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 30.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 88.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 23101                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.209                           
REMARK   3   FREE R VALUE                     : 0.279                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 1119                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.00                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.07                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 82.40                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3180                       
REMARK   3   BIN FREE R VALUE                    : 0.3500                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 94                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.008                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2620                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 48                                      
REMARK   3   SOLVENT ATOMS            : 464                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 33.20                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.27                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.31                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.36                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.41                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.020                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.000                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : ISOTROPIC                                 
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2ZB3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 22-OCT-07.                  
REMARK 100 THE DEPOSITION ID IS D_1000027747.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 13-NOV-04                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL12B2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0000                             
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 24685                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 30.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 94.4                               
REMARK 200  DATA REDUNDANCY                : 7.300                              
REMARK 200  R MERGE                    (I) : 0.09200                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 19.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.07                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 5.90                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.96900                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1V3V                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.43                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.43                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M CACODYLATE, PH6.5, 27% PEG 8000,    
REMARK 280  80MM MG(OAC)2, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 298K      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z+1/2                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       50.45300            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       42.91450            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       42.91450            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       25.22650            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       42.91450            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       42.91450            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       75.67950            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       42.91450            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       42.91450            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       25.22650            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       42.91450            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       42.91450            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       75.67950            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000       50.45300            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 4950 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 27190 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -17.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000     -151.35900            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH A 401  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     GLY A    -1                                                      
REMARK 465     SER A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     GLU A   347                                                      
REMARK 465     ASP A   348                                                      
REMARK 465     SER A   349                                                      
REMARK 465     SER A   350                                                      
REMARK 465     LEU A   351                                                      
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   OG1  THR A    18     O    HOH A   848              1.99            
REMARK 500   O    HOH A   810     O    HOH A   811              2.01            
REMARK 500   O    HOH A   670     O    HOH A   672              2.04            
REMARK 500   O    HOH A   635     O    HOH A   831              2.05            
REMARK 500   O    HOH A   643     O    HOH A   644              2.11            
REMARK 500   O    HOH A   558     O    HOH A   559              2.14            
REMARK 500   O    HOH A   747     O    HOH A   748              2.18            
REMARK 500   O    HOH A   624     O    HOH A   858              2.18            
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   783     O    HOH A   783     7553     1.75            
REMARK 500   ND2  ASN A   155     ND2  ASN A   155     7554     2.09            
REMARK 500   O    HOH A   828     O    HOH A   830     3545     2.11            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    PRO A 266   C   -  N   -  CA  ANGL. DEV. = -18.3 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A 154       -9.49    -56.51                                   
REMARK 500    PRO A 222      105.29    -45.22                                   
REMARK 500    ASP A 262       79.81    -64.90                                   
REMARK 500    TYR A 265      -36.59    -34.56                                   
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 NDP A 900                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2ZB4   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2ZB7   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2ZB8   RELATED DB: PDB                                   
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE FEATURE OF UNIPROT (PTGR2_MOUSE, Q8VDQ1) SHOWS CONFLICT AT THIS  
REMARK 999 POSITION: P -> T (IN REF. 1; BAB32284)                               
DBREF  2ZB3 A    1   351  UNP    Q8VDQ1   PTGR2_MOUSE      1    351             
SEQADV 2ZB3 GLY A   -1  UNP  Q8VDQ1              EXPRESSION TAG                 
SEQADV 2ZB3 SER A    0  UNP  Q8VDQ1              EXPRESSION TAG                 
SEQADV 2ZB3 THR A   18  UNP  Q8VDQ1    PRO    18 SEE REMARK 999                 
SEQRES   1 A  353  GLY SER MET ILE ILE GLN ARG VAL VAL LEU ASN SER ARG          
SEQRES   2 A  353  PRO GLY LYS ASN GLY ASN THR VAL ALA GLU ASN PHE ARG          
SEQRES   3 A  353  VAL GLU GLU PHE SER LEU PRO ASP ALA LEU ASN GLU GLY          
SEQRES   4 A  353  GLN VAL GLN VAL ARG THR LEU TYR LEU SER VAL ASP PRO          
SEQRES   5 A  353  TYR MET ARG CYS LYS MET ASN GLU ASP THR GLY THR ASP          
SEQRES   6 A  353  TYR LEU ALA PRO TRP GLN LEU ALA GLN VAL ALA ASP GLY          
SEQRES   7 A  353  GLY GLY ILE GLY VAL VAL GLU GLU SER LYS HIS GLN LYS          
SEQRES   8 A  353  LEU THR LYS GLY ASP PHE VAL THR SER PHE TYR TRP PRO          
SEQRES   9 A  353  TRP GLN THR LYS ALA ILE LEU ASP GLY ASN GLY LEU GLU          
SEQRES  10 A  353  LYS VAL ASP PRO GLN LEU VAL ASP GLY HIS LEU SER TYR          
SEQRES  11 A  353  PHE LEU GLY ALA ILE GLY MET PRO GLY LEU THR SER LEU          
SEQRES  12 A  353  ILE GLY VAL GLN GLU LYS GLY HIS ILE SER ALA GLY SER          
SEQRES  13 A  353  ASN GLN THR MET VAL VAL SER GLY ALA ALA GLY ALA CYS          
SEQRES  14 A  353  GLY SER LEU ALA GLY GLN ILE GLY HIS LEU LEU GLY CYS          
SEQRES  15 A  353  SER ARG VAL VAL GLY ILE CYS GLY THR GLN GLU LYS CYS          
SEQRES  16 A  353  LEU PHE LEU THR SER GLU LEU GLY PHE ASP ALA ALA VAL          
SEQRES  17 A  353  ASN TYR LYS THR GLY ASN VAL ALA GLU GLN LEU ARG GLU          
SEQRES  18 A  353  ALA CYS PRO GLY GLY VAL ASP VAL TYR PHE ASP ASN VAL          
SEQRES  19 A  353  GLY GLY ASP ILE SER ASN ALA VAL ILE SER GLN MET ASN          
SEQRES  20 A  353  GLU ASN SER HIS ILE ILE LEU CYS GLY GLN ILE SER GLN          
SEQRES  21 A  353  TYR SER ASN ASP VAL PRO TYR PRO PRO PRO LEU PRO PRO          
SEQRES  22 A  353  ALA VAL GLU ALA ILE ARG LYS GLU ARG ASN ILE THR ARG          
SEQRES  23 A  353  GLU ARG PHE THR VAL LEU ASN TYR LYS ASP LYS PHE GLU          
SEQRES  24 A  353  PRO GLY ILE LEU GLN LEU SER GLN TRP PHE LYS GLU GLY          
SEQRES  25 A  353  LYS LEU LYS VAL LYS GLU THR MET ALA LYS GLY LEU GLU          
SEQRES  26 A  353  ASN MET GLY VAL ALA PHE GLN SER MET MET THR GLY GLY          
SEQRES  27 A  353  ASN VAL GLY LYS GLN ILE VAL CYS ILE SER GLU ASP SER          
SEQRES  28 A  353  SER LEU                                                      
HET    NDP  A 900      48                                                       
HETNAM     NDP NADPH DIHYDRO-NICOTINAMIDE-ADENINE-DINUCLEOTIDE                  
HETNAM   2 NDP  PHOSPHATE                                                       
FORMUL   2  NDP    C21 H30 N7 O17 P3                                            
FORMUL   3  HOH   *464(H2 O)                                                    
HELIX    1   1 VAL A   19  GLU A   21  5                                   3    
HELIX    2   2 PRO A   50  MET A   56  1                                   7    
HELIX    3   3 ASN A  112  LEU A  114  5                                   3    
HELIX    4   4 ASP A  118  ASP A  123  5                                   6    
HELIX    5   5 HIS A  125  GLY A  131  5                                   7    
HELIX    6   6 GLY A  134  GLY A  148  1                                  15    
HELIX    7   7 GLY A  165  LEU A  178  1                                  14    
HELIX    8   8 THR A  189  GLU A  199  1                                  11    
HELIX    9   9 LYS A  209  GLY A  211  5                                   3    
HELIX   10  10 ASN A  212  CYS A  221  1                                  10    
HELIX   11  11 GLY A  233  GLN A  243  1                                  11    
HELIX   12  12 GLN A  255  TYR A  259  5                                   5    
HELIX   13  13 PRO A  270  ASN A  281  1                                  12    
HELIX   14  14 THR A  288  ASP A  294  5                                   7    
HELIX   15  15 LYS A  295  GLU A  309  1                                  15    
HELIX   16  16 ASN A  324  THR A  334  1                                  11    
SHEET    1   A 2 ILE A   3  LEU A   8  0                                        
SHEET    2   A 2 PHE A  23  PHE A  28 -1  O  ARG A  24   N  VAL A   7           
SHEET    1   B 5 LYS A 106  ASP A 110  0                                        
SHEET    2   B 5 GLN A  38  SER A  47 -1  N  VAL A  41   O  ALA A 107           
SHEET    3   B 5 ASP A  75  SER A  85 -1  O  GLU A  83   N  GLN A  40           
SHEET    4   B 5 PHE A  95  PRO A 102 -1  O  SER A  98   N  GLY A  78           
SHEET    5   B 5 GLU A 115  LYS A 116 -1  O  GLU A 115   N  THR A  97           
SHEET    1   C 4 LYS A 106  ASP A 110  0                                        
SHEET    2   C 4 GLN A  38  SER A  47 -1  N  VAL A  41   O  ALA A 107           
SHEET    3   C 4 LYS A 340  CYS A 344 -1  O  VAL A 343   N  LEU A  46           
SHEET    4   C 4 GLU A 316  LYS A 320  1  N  ALA A 319   O  ILE A 342           
SHEET    1   D 6 ALA A 204  ASN A 207  0                                        
SHEET    2   D 6 ARG A 182  CYS A 187  1  N  CYS A 187   O  VAL A 206           
SHEET    3   D 6 THR A 157  SER A 161  1  N  MET A 158   O  VAL A 184           
SHEET    4   D 6 VAL A 225  ASP A 230  1  O  VAL A 227   N  VAL A 159           
SHEET    5   D 6 MET A 244  LEU A 252  1  O  HIS A 249   N  TYR A 228           
SHEET    6   D 6 THR A 283  ARG A 286  1  O  THR A 283   N  ILE A 250           
SITE     1 AC1 36 PRO A  50  MET A 135  THR A 139  GLY A 165                    
SITE     2 AC1 36 ALA A 166  CYS A 167  CYS A 187  GLY A 188                    
SITE     3 AC1 36 LYS A 192  TYR A 208  ASN A 231  VAL A 232                    
SITE     4 AC1 36 CYS A 253  GLY A 254  GLN A 255  ILE A 256                    
SITE     5 AC1 36 TYR A 259  PHE A 287  VAL A 289  MET A 332                    
SITE     6 AC1 36 MET A 333  GLY A 335  ASN A 337  GLY A 339                    
SITE     7 AC1 36 HOH A 435  HOH A 452  HOH A 453  HOH A 457                    
SITE     8 AC1 36 HOH A 458  HOH A 464  HOH A 465  HOH A 466                    
SITE     9 AC1 36 HOH A 467  HOH A 546  HOH A 560  HOH A 611                    
CRYST1   85.829   85.829  100.906  90.00  90.00  90.00 P 41 21 2     8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.011651  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.011651  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009910        0.00000