HEADER    ISOMERASE                               12-FEB-14   4ORW              
TITLE     THREE-DIMENSIONAL STRUCTURE OF THE C65A-K59A DOUBLE MUTANT OF HUMAN   
TITLE    2 LIPOCALIN-TYPE PROSTAGLANDIN D SYNTHASE APO-FORM                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROSTAGLANDIN-H2 D-ISOMERASE;                              
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: BETA-TRACE PROTEIN, CEREBRIN-28, GLUTATHIONE-INDEPENDENT PGD
COMPND   5 SYNTHASE, LIPOCALIN-TYPE PROSTAGLANDIN-D SYNTHASE, PROSTAGLANDIN-D2  
COMPND   6 SYNTHASE, PGD2 SYNTHASE, PGDS, PGDS2;                                
COMPND   7 EC: 5.3.99.2;                                                        
COMPND   8 ENGINEERED: YES;                                                     
COMPND   9 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 GENE: PTGDS, PDS;                                                    
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    LIPOCALIN-TYPE PROSTAGLANDIN-D SYNTHASE, ISOMERASE                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.PERDUCA,M.BOVI,M.BERTINELLI,E.BERTINI,L.DESTEFANIS,M.E.CARRIZO,     
AUTHOR   2 S.CAPALDI,H.L.MONACO                                                 
REVDAT   5   27-NOV-24 4ORW    1       REMARK                                   
REVDAT   4   20-SEP-23 4ORW    1       SEQADV                                   
REVDAT   3   17-DEC-14 4ORW    1       TITLE                                    
REVDAT   2   13-AUG-14 4ORW    1       JRNL                                     
REVDAT   1   06-AUG-14 4ORW    0                                                
JRNL        AUTH   M.PERDUCA,M.BOVI,M.BERTINELLI,E.BERTINI,L.DESTEFANIS,        
JRNL        AUTH 2 M.E.CARRIZO,S.CAPALDI,H.L.MONACO                             
JRNL        TITL   HIGH-RESOLUTION STRUCTURES OF MUTANTS OF RESIDUES THAT       
JRNL        TITL 2 AFFECT ACCESS TO THE LIGAND-BINDING CAVITY OF HUMAN          
JRNL        TITL 3 LIPOCALIN-TYPE PROSTAGLANDIN D SYNTHASE.                     
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  70  2125 2014              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   25084332                                                     
JRNL        DOI    10.1107/S1399004714012462                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.66 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX (PHENIX.REFINE: 1.8.2_1309)                   
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : ML                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.66                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 52.80                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.350                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 34739                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.203                           
REMARK   3   R VALUE            (WORKING SET) : 0.201                           
REMARK   3   FREE R VALUE                     : 0.240                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.020                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1743                            
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 52.8295 -  3.8092    0.98     2931   139  0.1966 0.1948        
REMARK   3     2  3.8092 -  3.0235    1.00     2832   153  0.1922 0.2582        
REMARK   3     3  3.0235 -  2.6413    0.98     2767   148  0.2165 0.2269        
REMARK   3     4  2.6413 -  2.3998    1.00     2745   141  0.2065 0.2661        
REMARK   3     5  2.3998 -  2.2278    0.98     2726   148  0.2019 0.2488        
REMARK   3     6  2.2278 -  2.0965    0.99     2740   140  0.1880 0.2312        
REMARK   3     7  2.0965 -  1.9915    1.00     2726   154  0.1873 0.2504        
REMARK   3     8  1.9915 -  1.9048    0.99     2732   143  0.1951 0.2267        
REMARK   3     9  1.9048 -  1.8315    0.97     2657   148  0.2043 0.2695        
REMARK   3    10  1.8315 -  1.7683    0.99     2728   149  0.2098 0.2548        
REMARK   3    11  1.7683 -  1.7130    0.99     2732   121  0.2322 0.2883        
REMARK   3    12  1.7130 -  1.6640    0.99     2680   159  0.2443 0.3019        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : FLAT BULK SOLVENT MODEL                       
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.200            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 22.210           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.004           2542                                  
REMARK   3   ANGLE     :  0.903           3436                                  
REMARK   3   CHIRALITY :  0.062            370                                  
REMARK   3   PLANARITY :  0.003            442                                  
REMARK   3   DIHEDRAL  : 12.586            922                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 2                                          
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    SELECTION: ( CHAIN A AND ( RESID 29:187 OR RESID 201:268 ) ) OR   
REMARK   3               ( CHAIN B AND RESID 201:201 )                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -0.6234  -2.9561  23.0688              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0540 T22:   0.0702                                     
REMARK   3      T33:   0.0620 T12:  -0.0058                                     
REMARK   3      T13:  -0.0113 T23:  -0.0154                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   0.8923 L22:   1.3262                                     
REMARK   3      L33:   0.6897 L12:  -0.5509                                     
REMARK   3      L13:  -0.0237 L23:  -0.4259                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0341 S12:   0.1236 S13:  -0.0742                       
REMARK   3      S21:  -0.0890 S22:  -0.0060 S23:   0.0879                       
REMARK   3      S31:   0.0358 S32:  -0.0454 S33:  -0.0062                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: ( CHAIN A AND RESID 269:269 ) OR ( CHAIN B AND (       
REMARK   3               RESID 29:187 OR RESID 202:251 ) )                      
REMARK   3    ORIGIN FOR THE GROUP (A):  11.6204 -31.2948  12.1577              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0998 T22:   0.1057                                     
REMARK   3      T33:   0.0981 T12:   0.0152                                     
REMARK   3      T13:   0.0345 T23:   0.0160                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.3034 L22:   0.8130                                     
REMARK   3      L33:   1.7546 L12:   0.1074                                     
REMARK   3      L13:  -0.0593 L23:  -0.0993                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0967 S12:   0.1704 S13:   0.1386                       
REMARK   3      S21:  -0.1656 S22:  -0.0035 S23:  -0.1461                       
REMARK   3      S31:   0.0080 S32:   0.1581 S33:  -0.0473                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 4ORW COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-FEB-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000084873.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 05-JUL-13                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID29                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.98                               
REMARK 200  MONOCHROMATOR                  : SI(111)                            
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M-F               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 34796                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.660                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 57.630                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.1                               
REMARK 200  DATA REDUNDANCY                : 4.000                              
REMARK 200  R MERGE                    (I) : 0.06000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 13.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.66                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.75                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.35300                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.700                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 4ORR                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 28.86                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 1.73                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M TRIS, 2.0M AMMONIUM SULPHATE, PH    
REMARK 280  8.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       19.16500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       65.90000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       28.81500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       65.90000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       19.16500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       28.81500            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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     MET A     1                                                      
REMARK 465     ALA A     2                                                      
REMARK 465     THR A     3                                                      
REMARK 465     HIS A     4                                                      
REMARK 465     HIS A     5                                                      
REMARK 465     THR A     6                                                      
REMARK 465     LEU A     7                                                      
REMARK 465     TRP A     8                                                      
REMARK 465     MET A     9                                                      
REMARK 465     GLY A    10                                                      
REMARK 465     LEU A    11                                                      
REMARK 465     ALA A    12                                                      
REMARK 465     LEU A    13                                                      
REMARK 465     LEU A    14                                                      
REMARK 465     GLY A    15                                                      
REMARK 465     VAL A    16                                                      
REMARK 465     LEU A    17                                                      
REMARK 465     GLY A    18                                                      
REMARK 465     ASP A    19                                                      
REMARK 465     LEU A    20                                                      
REMARK 465     GLN A    21                                                      
REMARK 465     ALA A    22                                                      
REMARK 465     ALA A    23                                                      
REMARK 465     PRO A    24                                                      
REMARK 465     GLU A    25                                                      
REMARK 465     ALA A    26                                                      
REMARK 465     GLN A    27                                                      
REMARK 465     VAL A    28                                                      
REMARK 465     THR A   188                                                      
REMARK 465     GLU A   189                                                      
REMARK 465     GLN A   190                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ALA B     2                                                      
REMARK 465     THR B     3                                                      
REMARK 465     HIS B     4                                                      
REMARK 465     HIS B     5                                                      
REMARK 465     THR B     6                                                      
REMARK 465     LEU B     7                                                      
REMARK 465     TRP B     8                                                      
REMARK 465     MET B     9                                                      
REMARK 465     GLY B    10                                                      
REMARK 465     LEU B    11                                                      
REMARK 465     ALA B    12                                                      
REMARK 465     LEU B    13                                                      
REMARK 465     LEU B    14                                                      
REMARK 465     GLY B    15                                                      
REMARK 465     VAL B    16                                                      
REMARK 465     LEU B    17                                                      
REMARK 465     GLY B    18                                                      
REMARK 465     ASP B    19                                                      
REMARK 465     LEU B    20                                                      
REMARK 465     GLN B    21                                                      
REMARK 465     ALA B    22                                                      
REMARK 465     ALA B    23                                                      
REMARK 465     PRO B    24                                                      
REMARK 465     GLU B    25                                                      
REMARK 465     ALA B    26                                                      
REMARK 465     GLN B    27                                                      
REMARK 465     VAL B    28                                                      
REMARK 465     THR B   188                                                      
REMARK 465     GLU B   189                                                      
REMARK 465     GLN B   190                                                      
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    ALA A  65      -73.22   -102.49                                   
REMARK 500    TYR A 125      -40.90     70.49                                   
REMARK 500    GLN A 127      -48.99   -133.08                                   
REMARK 500    ALA B  65     -161.76   -104.23                                   
REMARK 500    TYR B 125      -41.39     69.19                                   
REMARK 500    GLN B 127      -48.63   -135.43                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4ORR   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4ORS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4ORU   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4ORX   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4ORY   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4OS0   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4OS3   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4OS8   RELATED DB: PDB                                   
DBREF  4ORW A    1   190  UNP    P41222   PTGDS_HUMAN      1    190             
DBREF  4ORW B    1   190  UNP    P41222   PTGDS_HUMAN      1    190             
SEQADV 4ORW ALA A   59  UNP  P41222    LYS    59 ENGINEERED MUTATION            
SEQADV 4ORW ALA A   65  UNP  P41222    CYS    65 ENGINEERED MUTATION            
SEQADV 4ORW ALA B   59  UNP  P41222    LYS    59 ENGINEERED MUTATION            
SEQADV 4ORW ALA B   65  UNP  P41222    CYS    65 ENGINEERED MUTATION            
SEQRES   1 A  190  MET ALA THR HIS HIS THR LEU TRP MET GLY LEU ALA LEU          
SEQRES   2 A  190  LEU GLY VAL LEU GLY ASP LEU GLN ALA ALA PRO GLU ALA          
SEQRES   3 A  190  GLN VAL SER VAL GLN PRO ASN PHE GLN GLN ASP LYS PHE          
SEQRES   4 A  190  LEU GLY ARG TRP PHE SER ALA GLY LEU ALA SER ASN SER          
SEQRES   5 A  190  SER TRP LEU ARG GLU LYS ALA ALA ALA LEU SER MET ALA          
SEQRES   6 A  190  LYS SER VAL VAL ALA PRO ALA THR ASP GLY GLY LEU ASN          
SEQRES   7 A  190  LEU THR SER THR PHE LEU ARG LYS ASN GLN CYS GLU THR          
SEQRES   8 A  190  ARG THR MET LEU LEU GLN PRO ALA GLY SER LEU GLY SER          
SEQRES   9 A  190  TYR SER TYR ARG SER PRO HIS TRP GLY SER THR TYR SER          
SEQRES  10 A  190  VAL SER VAL VAL GLU THR ASP TYR ASP GLN TYR ALA LEU          
SEQRES  11 A  190  LEU TYR SER GLN GLY SER LYS GLY PRO GLY GLU ASP PHE          
SEQRES  12 A  190  ARG MET ALA THR LEU TYR SER ARG THR GLN THR PRO ARG          
SEQRES  13 A  190  ALA GLU LEU LYS GLU LYS PHE THR ALA PHE CYS LYS ALA          
SEQRES  14 A  190  GLN GLY PHE THR GLU ASP THR ILE VAL PHE LEU PRO GLN          
SEQRES  15 A  190  THR ASP LYS CYS MET THR GLU GLN                              
SEQRES   1 B  190  MET ALA THR HIS HIS THR LEU TRP MET GLY LEU ALA LEU          
SEQRES   2 B  190  LEU GLY VAL LEU GLY ASP LEU GLN ALA ALA PRO GLU ALA          
SEQRES   3 B  190  GLN VAL SER VAL GLN PRO ASN PHE GLN GLN ASP LYS PHE          
SEQRES   4 B  190  LEU GLY ARG TRP PHE SER ALA GLY LEU ALA SER ASN SER          
SEQRES   5 B  190  SER TRP LEU ARG GLU LYS ALA ALA ALA LEU SER MET ALA          
SEQRES   6 B  190  LYS SER VAL VAL ALA PRO ALA THR ASP GLY GLY LEU ASN          
SEQRES   7 B  190  LEU THR SER THR PHE LEU ARG LYS ASN GLN CYS GLU THR          
SEQRES   8 B  190  ARG THR MET LEU LEU GLN PRO ALA GLY SER LEU GLY SER          
SEQRES   9 B  190  TYR SER TYR ARG SER PRO HIS TRP GLY SER THR TYR SER          
SEQRES  10 B  190  VAL SER VAL VAL GLU THR ASP TYR ASP GLN TYR ALA LEU          
SEQRES  11 B  190  LEU TYR SER GLN GLY SER LYS GLY PRO GLY GLU ASP PHE          
SEQRES  12 B  190  ARG MET ALA THR LEU TYR SER ARG THR GLN THR PRO ARG          
SEQRES  13 B  190  ALA GLU LEU LYS GLU LYS PHE THR ALA PHE CYS LYS ALA          
SEQRES  14 B  190  GLN GLY PHE THR GLU ASP THR ILE VAL PHE LEU PRO GLN          
SEQRES  15 B  190  THR ASP LYS CYS MET THR GLU GLN                              
FORMUL   3  HOH   *120(H2 O)                                                    
HELIX    1   1 GLN A   35  LEU A   40  1                                   6    
HELIX    2   2 SER A   52  ALA A   60  1                                   9    
HELIX    3   3 GLY A  138  ASP A  142  5                                   5    
HELIX    4   4 ARG A  156  GLN A  170  1                                  15    
HELIX    5   5 THR A  173  ASP A  175  5                                   3    
HELIX    6   6 GLN B   35  LEU B   40  1                                   6    
HELIX    7   7 SER B   52  ALA B   61  1                                  10    
HELIX    8   8 GLY B  138  ASP B  142  5                                   5    
HELIX    9   9 ARG B  156  ALA B  169  1                                  14    
HELIX   10  10 THR B  173  ASP B  175  5                                   3    
SHEET    1   A10 ILE A 177  PHE A 179  0                                        
SHEET    2   A10 GLY A  41  SER A  50 -1  N  LEU A  48   O  VAL A 178           
SHEET    3   A10 ARG A 144  SER A 150 -1  O  ALA A 146   N  ALA A  49           
SHEET    4   A10 TYR A 128  LYS A 137 -1  N  SER A 133   O  MET A 145           
SHEET    5   A10 SER A 114  THR A 123 -1  N  THR A 115   O  SER A 136           
SHEET    6   A10 SER A 104  SER A 109 -1  N  TYR A 107   O  TYR A 116           
SHEET    7   A10 GLN A  88  PRO A  98 -1  N  GLN A  97   O  SER A 106           
SHEET    8   A10 LEU A  77  ARG A  85 -1  N  LEU A  77   O  LEU A  96           
SHEET    9   A10 SER A  63  PRO A  71 -1  N  SER A  63   O  LEU A  84           
SHEET   10   A10 GLY A  41  SER A  50 -1  N  TRP A  43   O  SER A  67           
SHEET    1   B10 ILE B 177  PHE B 179  0                                        
SHEET    2   B10 GLY B  41  SER B  50 -1  N  LEU B  48   O  VAL B 178           
SHEET    3   B10 ARG B 144  SER B 150 -1  O  ALA B 146   N  ALA B  49           
SHEET    4   B10 TYR B 128  LYS B 137 -1  N  SER B 133   O  MET B 145           
SHEET    5   B10 SER B 114  THR B 123 -1  N  SER B 117   O  GLN B 134           
SHEET    6   B10 SER B 104  SER B 109 -1  N  TYR B 107   O  TYR B 116           
SHEET    7   B10 GLN B  88  PRO B  98 -1  N  GLN B  97   O  SER B 106           
SHEET    8   B10 LEU B  77  ARG B  85 -1  N  LEU B  77   O  LEU B  96           
SHEET    9   B10 SER B  63  PRO B  71 -1  N  ALA B  70   O  ASN B  78           
SHEET   10   B10 GLY B  41  SER B  50 -1  N  TRP B  43   O  SER B  67           
SSBOND   1 CYS A   89    CYS A  186                          1555   1555  2.04  
SSBOND   2 CYS B   89    CYS B  186                          1555   1555  2.03  
CRYST1   38.330   57.630  131.800  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.026089  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017352  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007587        0.00000