HEADER    ISOMERASE                               12-FEB-14   4ORS              
TITLE     THREE-DIMENSIONAL STRUCTURE OF THE C65A MUTANT OF HUMAN LIPOCALIN-TYPE
TITLE    2 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   6   06-NOV-24 4ORS    1       REMARK                                   
REVDAT   5   20-SEP-23 4ORS    1       REMARK                                   
REVDAT   4   29-JAN-20 4ORS    1       REMARK SEQADV                            
REVDAT   3   17-DEC-14 4ORS    1       TITLE                                    
REVDAT   2   13-AUG-14 4ORS    1       JRNL                                     
REVDAT   1   06-AUG-14 4ORS    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.    1.40 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) : 1.40                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 22.38                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.360                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 86.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 60070                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.251                           
REMARK   3   R VALUE            (WORKING SET) : 0.250                           
REMARK   3   FREE R VALUE                     : 0.280                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.120                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3063                            
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 22.3858 -  4.3399    0.61     2465   126  0.2854 0.3223        
REMARK   3     2  4.3399 -  3.4488    0.73     2999   170  0.2460 0.2839        
REMARK   3     3  3.4488 -  3.0140    0.87     3569   158  0.2444 0.3145        
REMARK   3     4  3.0140 -  2.7390    0.91     3714   193  0.2506 0.2825        
REMARK   3     5  2.7390 -  2.5429    0.92     3679   213  0.2512 0.2593        
REMARK   3     6  2.5429 -  2.3932    0.91     3695   210  0.2410 0.2801        
REMARK   3     7  2.3932 -  2.2735    0.91     3651   221  0.2418 0.2512        
REMARK   3     8  2.2735 -  2.1746    0.91     3670   198  0.2491 0.2827        
REMARK   3     9  2.1746 -  2.0909    0.90     3735   181  0.2327 0.2654        
REMARK   3    10  2.0909 -  2.0188    0.89     3651   206  0.2343 0.2704        
REMARK   3    11  2.0188 -  1.9557    0.89     3563   184  0.2427 0.2438        
REMARK   3    12  1.9557 -  1.8999    0.88     3606   186  0.2412 0.2266        
REMARK   3    13  1.8999 -  1.8499    0.88     3574   191  0.2360 0.2885        
REMARK   3    14  1.8499 -  1.8048    0.88     3567   207  0.2389 0.2460        
REMARK   3    15  1.8048 -  1.7637    0.88     3573   200  0.2462 0.2717        
REMARK   3    16  1.7637 -  1.7262    0.87     3587   192  0.2397 0.2761        
REMARK   3    17  1.7262 -  1.6917    0.88     3492   204  0.2472 0.2760        
REMARK   3    18  1.6917 -  1.6598    0.87     3554   156  0.2496 0.2786        
REMARK   3    19  1.6598 -  1.6302    0.88     3585   229  0.2466 0.2766        
REMARK   3    20  1.6302 -  1.6025    0.87     3474   197  0.2524 0.2943        
REMARK   3    21  1.6025 -  1.5767    0.87     3542   174  0.2517 0.2776        
REMARK   3    22  1.5767 -  1.5524    0.86     3579   180  0.2564 0.2848        
REMARK   3    23  1.5524 -  1.5296    0.87     3435   172  0.2545 0.3062        
REMARK   3    24  1.5296 -  1.5081    0.85     3584   197  0.2649 0.3056        
REMARK   3    25  1.5081 -  1.4877    0.86     3369   177  0.2593 0.3007        
REMARK   3    26  1.4877 -  1.4684    0.86     3550   182  0.2768 0.3136        
REMARK   3    27  1.4684 -  1.4500    0.85     3388   196  0.2845 0.2909        
REMARK   3    28  1.4500 -  1.4326    0.85     3452   199  0.2805 0.2964        
REMARK   3    29  1.4326 -  1.4159    0.84     3431   193  0.2879 0.3368        
REMARK   3    30  1.4159 -  1.4000    0.78     3164   166  0.2972 0.3185        
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) : 27.250           
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      :  0.005           2610                                  
REMARK   3   ANGLE     :  0.871           3528                                  
REMARK   3   CHIRALITY :  0.062            381                                  
REMARK   3   PLANARITY :  0.004            453                                  
REMARK   3   DIHEDRAL  : 14.314            951                                  
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 27:188 OR RESID 201:201 OR       
REMARK   3               RESID 301:392 ) ) OR ( CHAIN B AND RESID 201:201 )     
REMARK   3    ORIGIN FOR THE GROUP (A):  -0.0111  -0.0466   1.1244              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0764 T22:   0.0709                                     
REMARK   3      T33:   0.0484 T12:  -0.0062                                     
REMARK   3      T13:   0.0035 T23:  -0.0110                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.0762 L22:   1.1495                                     
REMARK   3      L33:   0.8614 L12:  -0.1479                                     
REMARK   3      L13:   0.0385 L23:   0.1771                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0404 S12:  -0.1645 S13:   0.0676                       
REMARK   3      S21:   0.1573 S22:   0.0261 S23:  -0.0694                       
REMARK   3      S31:  -0.0438 S32:   0.0316 S33:  -0.0399                       
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    SELECTION: ( CHAIN B AND ( RESID 27:189 OR RESID 202:302 ) )      
REMARK   3    ORIGIN FOR THE GROUP (A): -19.5366  -5.0948  28.4964              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.0704 T22:   0.0702                                     
REMARK   3      T33:   0.0557 T12:   0.0028                                     
REMARK   3      T13:  -0.0032 T23:   0.0015                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   1.1176 L22:   1.0217                                     
REMARK   3      L33:   1.0139 L12:  -0.0924                                     
REMARK   3      L13:   0.4867 L23:   0.0675                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:   0.0401 S12:   0.0665 S13:  -0.0748                       
REMARK   3      S21:  -0.1605 S22:   0.0033 S23:   0.0467                       
REMARK   3      S31:  -0.0004 S32:  -0.0286 S33:  -0.0230                       
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 4ORS COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-FEB-14.                  
REMARK 100 THE DEPOSITION ID IS D_1000084869.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 22-APR-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : ID14-1                             
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                  : DIAMOND (111), GE(220)             
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 60070                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.400                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.030                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.5                               
REMARK 200  DATA REDUNDANCY                : 2.200                              
REMARK 200  R MERGE                    (I) : 0.11800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.0000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.40                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.48                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.33400                            
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: MOLREP                                                
REMARK 200 STARTING MODEL: PDB ENTRY 4ORR                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 38.47                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1M NA HEPES, 2% PEG 400, 2M AMMONIUM   
REMARK 280  SULPHATE, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1                              
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,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                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2, 3                                                 
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 300 REMARK: A DIMER IN THE ASYMMETRIC UNIT                               
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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
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 350                                                                      
REMARK 350 BIOMOLECULE: 3                                                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1660 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 17220 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -27.0 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     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     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   190                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH A   340     O    HOH A   387              2.15            
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    TYR A 125      -40.47     72.76                                   
REMARK 500    GLN A 127      -50.81   -134.21                                   
REMARK 500    ALA B  65      -64.07   -104.60                                   
REMARK 500    TYR B 125      -39.89     72.16                                   
REMARK 500    GLN B 127      -53.39   -132.48                                   
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 SO4 A 201                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 4ORR   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4ORU   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 4ORW   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  4ORS A    1   190  UNP    P41222   PTGDS_HUMAN      1    190             
DBREF  4ORS B    1   190  UNP    P41222   PTGDS_HUMAN      1    190             
SEQADV 4ORS ALA A   65  UNP  P41222    CYS    65 ENGINEERED MUTATION            
SEQADV 4ORS 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 LYS 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 LYS 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                              
HET    SO4  A 201       5                                                       
HETNAM     SO4 SULFATE ION                                                      
FORMUL   3  SO4    O4 S 2-                                                      
FORMUL   4  HOH   *194(H2 O)                                                    
HELIX    1   1 GLN A   35  PHE A   39  5                                   5    
HELIX    2   2 ASN A   51  LYS A   58  1                                   8    
HELIX    3   3 ARG A  156  GLN A  170  1                                  15    
HELIX    4   4 THR A  173  ASP A  175  5                                   3    
HELIX    5   5 GLN B   35  PHE B   39  5                                   5    
HELIX    6   6 SER B   52  ALA B   60  1                                   9    
HELIX    7   7 ARG B  156  GLN B  170  1                                  15    
HELIX    8   8 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  LEU A 148   N  ALA A  46           
SHEET    4   A10 TYR A 128  LYS A 137 -1  N  SER A 133   O  MET A 145           
SHEET    5   A10 THR A 115  THR A 123 -1  N  SER A 117   O  GLN A 134           
SHEET    6   A10 SER A 104  ARG A 108 -1  N  TYR A 105   O  VAL A 118           
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 LYS A  66  PRO A  71 -1  N  ALA A  70   O  ASN A  78           
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  GLY B 135 -1  N  SER B 133   O  MET B 145           
SHEET    5   B10 TYR B 116  THR B 123 -1  N  GLU B 122   O  LEU B 130           
SHEET    6   B10 SER B 104  TYR B 107 -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 LEU B  62  PRO B  71 -1  N  LYS B  66   O  THR B  82           
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  2.03  
SSBOND   2 CYS B   89    CYS B  186                          1555   1555  2.03  
CISPEP   1 LYS A   59    ALA A   60          0         1.15                     
CISPEP   2 ALA A   60    ALA A   61          0        -5.63                     
SITE     1 AC1  8 SER A 109  HIS A 111  TRP A 112  GLY A 113                    
SITE     2 AC1  8 SER A 114  TYR A 116  HIS B 111  TRP B 112                    
CRYST1   43.127   45.819   49.151  73.12  82.82  64.90 P 1           2          
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      0.023187 -0.010860 -0.000052        0.00000                         
SCALE2      0.000000  0.024100 -0.006603        0.00000                         
SCALE3      0.000000  0.000000  0.021262        0.00000