HEADER    HYDROLASE/PROTEIN BINDING               24-NOV-03   1V5I              
TITLE     CRYSTAL STRUCTURE OF SERINE PROTEASE INHIBITOR POIA1 IN COMPLEX WITH  
TITLE    2 SUBTILISIN BPN'                                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SUBTILISIN BPN';                                           
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 3.4.21.62;                                                       
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: IA-1=SERINE PROTEINASE INHIBITOR;                          
COMPND   9 CHAIN: B;                                                            
COMPND  10 SYNONYM: POIA1;                                                      
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS AMYLOLIQUEFACIENS;                     
SOURCE   3 ORGANISM_TAXID: 1390;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: PLEUROTUS OSTREATUS;                            
SOURCE   8 ORGANISM_COMMON: OYSTER MUSHROOM;                                    
SOURCE   9 ORGANISM_TAXID: 5322;                                                
SOURCE  10 GENE: POIA1;                                                         
SOURCE  11 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  12 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PROTEASE-INHIBITOR COMPLEX, POIA1, SUBTILISIN, HYDROLASE-PROTEIN      
KEYWDS   2 BINDING COMPLEX                                                      
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.C.LEE,M.KIKKAWA,S.KOJIMA,K.MIURA,M.TANOKURA                         
REVDAT   6   13-NOV-24 1V5I    1       REMARK                                   
REVDAT   5   27-DEC-23 1V5I    1       REMARK SEQADV LINK                       
REVDAT   4   12-NOV-14 1V5I    1       HET    HETATM HETNAM                     
REVDAT   3   13-JUL-11 1V5I    1       VERSN                                    
REVDAT   2   24-FEB-09 1V5I    1       VERSN                                    
REVDAT   1   08-MAR-05 1V5I    0                                                
JRNL        AUTH   W.C.LEE,M.KIKKAWA,S.KOJIMA,K.MIURA,M.TANOKURA                
JRNL        TITL   CRYSTAL STRUCTURE OF SERINE PROTEASE INHIBITOR POIA1 IN      
JRNL        TITL 2 COMPLEX WITH SUBTILISIN BPN'                                 
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 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 : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 35.90                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 120977                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.180                           
REMARK   3   FREE R VALUE                     : 0.192                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
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) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2527                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 107                                     
REMARK   3   SOLVENT ATOMS            : 405                                     
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  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
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 1V5I COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 27-NOV-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000006231.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL41XU                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8                                
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : SCALA, CCP4 (SCALA)                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
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: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 65.32                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.57                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: HEPES, LITHIUM SULFATE, PH 7.5, VAPOR    
REMARK 280  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       38.85000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       47.25000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       35.90000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       47.25000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       38.85000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       35.90000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 5520 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 13140 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -39.0 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 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    ASP A  32     -144.64   -160.43                                   
REMARK 500    SER A  63      -24.59    114.15                                   
REMARK 500    ALA A  73       36.12   -146.27                                   
REMARK 500    ASN A  77     -146.79   -152.86                                   
REMARK 500    VAL A  81     -164.82   -116.90                                   
REMARK 500    SER A 159       64.24   -152.69                                   
REMARK 500    LEU A 257     -127.35   -118.42                                   
REMARK 500    ASP B  62      -78.58   -114.29                                   
REMARK 500    ALA B  75       59.55    -92.01                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A3001  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLN A   2   OE1                                                    
REMARK 620 2 ASP A  41   OD1 153.3                                              
REMARK 620 3 ASP A  41   OD2 155.9  49.9                                        
REMARK 620 4 LEU A  75   O    77.2  88.0 106.1                                  
REMARK 620 5 ASN A  77   OD1  79.7  79.5 123.0  94.7                            
REMARK 620 6 ILE A  79   O    90.3 100.7  88.0 165.9  76.3                      
REMARK 620 7 VAL A  81   O    81.0 120.7  75.4  87.0 159.8  97.8                
REMARK 620 N                    1     2     3     4     5     6                 
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 1001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 1002                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 3001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 2002                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2003                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 2004                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2005                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2006                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2007                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2008                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2009                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2010                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2011                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2012                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2013                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 2014                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2016                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 2018                
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1ITP   RELATED DB: PDB                                   
REMARK 900 NMR STRUCTURE OF POIA1                                               
DBREF  1V5I A    1   275  UNP    P00782   SUBT_BACAM     108    382             
DBREF  1V5I B    1    76  UNP    Q7M4T6   PIA1_PLEOS       1     76             
SEQADV 1V5I CSD A  221  UNP  P00782    SER   328 ENGINEERED MUTATION            
SEQADV 1V5I HIS B   71  UNP  Q7M4T6    GLY    71 ENGINEERED MUTATION            
SEQADV 1V5I VAL B   72  UNP  Q7M4T6    ILE    72 ENGINEERED MUTATION            
SEQADV 1V5I ALA B   73  UNP  Q7M4T6    VAL    73 ENGINEERED MUTATION            
SEQADV 1V5I HIS B   74  UNP  Q7M4T6    THR    74 ENGINEERED MUTATION            
SEQADV 1V5I ALA B   75  UNP  Q7M4T6    THR    75 ENGINEERED MUTATION            
SEQADV 1V5I TYR B   76  UNP  Q7M4T6    GLN    76 ENGINEERED MUTATION            
SEQRES   1 A  275  ALA GLN SER VAL PRO TYR GLY VAL SER GLN ILE LYS ALA          
SEQRES   2 A  275  PRO ALA LEU HIS SER GLN GLY TYR THR GLY SER ASN VAL          
SEQRES   3 A  275  LYS VAL ALA VAL ILE ASP SER GLY ILE ASP SER SER HIS          
SEQRES   4 A  275  PRO ASP LEU LYS VAL ALA GLY GLY ALA SER MET VAL PRO          
SEQRES   5 A  275  SER GLU THR ASN PRO PHE GLN ASP ASN ASN SER HIS GLY          
SEQRES   6 A  275  THR HIS VAL ALA GLY THR VAL ALA ALA LEU ASN ASN SER          
SEQRES   7 A  275  ILE GLY VAL LEU GLY VAL ALA PRO SER ALA SER LEU TYR          
SEQRES   8 A  275  ALA VAL LYS VAL LEU GLY ALA ASP GLY SER GLY GLN TYR          
SEQRES   9 A  275  SER TRP ILE ILE ASN GLY ILE GLU TRP ALA ILE ALA ASN          
SEQRES  10 A  275  ASN MET ASP VAL ILE ASN MET SER LEU GLY GLY PRO SER          
SEQRES  11 A  275  GLY SER ALA ALA LEU LYS ALA ALA VAL ASP LYS ALA VAL          
SEQRES  12 A  275  ALA SER GLY VAL VAL VAL VAL ALA ALA ALA GLY ASN GLU          
SEQRES  13 A  275  GLY THR SER GLY SER SER SER THR VAL GLY TYR PRO GLY          
SEQRES  14 A  275  LYS TYR PRO SER VAL ILE ALA VAL GLY ALA VAL ASP SER          
SEQRES  15 A  275  SER ASN GLN ARG ALA SER PHE SER SER VAL GLY PRO GLU          
SEQRES  16 A  275  LEU ASP VAL MET ALA PRO GLY VAL SER ILE GLN SER THR          
SEQRES  17 A  275  LEU PRO GLY ASN LYS TYR GLY ALA TYR ASN GLY THR CSD          
SEQRES  18 A  275  MET ALA SER PRO HIS VAL ALA GLY ALA ALA ALA LEU ILE          
SEQRES  19 A  275  LEU SER LYS HIS PRO ASN TRP THR ASN THR GLN VAL ARG          
SEQRES  20 A  275  SER SER LEU GLU ASN THR THR THR LYS LEU GLY ASP SER          
SEQRES  21 A  275  PHE TYR TYR GLY LYS GLY LEU ILE ASN VAL GLN ALA ALA          
SEQRES  22 A  275  ALA GLN                                                      
SEQRES   1 B   76  SER ALA GLY LYS PHE ILE VAL ILE PHE LYS ASN ASP VAL          
SEQRES   2 B   76  SER GLU ASP LYS ILE ARG GLU THR LYS ASP GLU VAL ILE          
SEQRES   3 B   76  ALA GLU GLY GLY THR ILE THR ASN GLU TYR ASN MET PRO          
SEQRES   4 B   76  GLY MET LYS GLY PHE ALA GLY GLU LEU THR PRO GLN SER          
SEQRES   5 B   76  LEU THR LYS PHE GLN GLY LEU GLN GLY ASP LEU ILE ASP          
SEQRES   6 B   76  SER ILE GLU GLU ASP HIS VAL ALA HIS ALA TYR                  
MODRES 1V5I CSD A  221  CYS  3-SULFINOALANINE                                   
HET    CSD  A 221       8                                                       
HET    SO4  A1001       5                                                       
HET     CA  A3001       1                                                       
HET    GOL  A2001       6                                                       
HET    GOL  A2003       6                                                       
HET    GOL  A2005       6                                                       
HET    GOL  A2006       6                                                       
HET    GOL  A2007       6                                                       
HET    GOL  A2008       6                                                       
HET    GOL  A2009       6                                                       
HET    GOL  A2010       6                                                       
HET    GOL  A2011       6                                                       
HET    GOL  A2012       6                                                       
HET    GOL  A2013       6                                                       
HET    GOL  A2016       6                                                       
HET    GOL  A2018       6                                                       
HET    SO4  B1002       5                                                       
HET    GOL  B2002       6                                                       
HET    GOL  B2004       6                                                       
HET    GOL  B2014       6                                                       
HETNAM     CSD 3-SULFINOALANINE                                                 
HETNAM     SO4 SULFATE ION                                                      
HETNAM      CA CALCIUM ION                                                      
HETNAM     GOL GLYCEROL                                                         
HETSYN     CSD S-CYSTEINESULFINIC ACID; S-SULFINOCYSTEINE                       
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1  CSD    C3 H7 N O4 S                                                 
FORMUL   3  SO4    2(O4 S 2-)                                                   
FORMUL   4   CA    CA 2+                                                        
FORMUL   5  GOL    16(C3 H8 O3)                                                 
FORMUL  22  HOH   *405(H2 O)                                                    
HELIX    1   1 PRO A    5  ILE A   11  1                                   7    
HELIX    2   2 LYS A   12  SER A   18  1                                   7    
HELIX    3   3 SER A   63  ALA A   74  1                                  12    
HELIX    4   4 TYR A  104  ASN A  117  1                                  14    
HELIX    5   5 SER A  132  SER A  145  1                                  14    
HELIX    6   6 GLY A  219  HIS A  238  1                                  20    
HELIX    7   7 THR A  242  THR A  253  1                                  12    
HELIX    8   8 ASP A  259  GLY A  264  1                                   6    
HELIX    9   9 ASN A  269  ALA A  274  1                                   6    
HELIX   10  10 SER B   14  GLY B   29  1                                  16    
HELIX   11  11 THR B   49  LEU B   59  1                                  11    
SHEET    1   A 7 VAL A  44  SER A  49  0                                        
SHEET    2   A 7 SER A  89  LYS A  94  1  O  ALA A  92   N  GLY A  46           
SHEET    3   A 7 LYS A  27  ASP A  32  1  N  VAL A  30   O  TYR A  91           
SHEET    4   A 7 VAL A 121  MET A 124  1  O  VAL A 121   N  ALA A  29           
SHEET    5   A 7 VAL A 148  ALA A 152  1  O  VAL A 150   N  ILE A 122           
SHEET    6   A 7 ILE A 175  VAL A 180  1  O  VAL A 177   N  ALA A 151           
SHEET    7   A 7 VAL A 198  PRO A 201  1  O  VAL A 198   N  GLY A 178           
SHEET    1   B 2 SER A 101  GLN A 103  0                                        
SHEET    2   B 2 VAL B  72  HIS B  74 -1  O  ALA B  73   N  GLY A 102           
SHEET    1   C 2 ILE A 205  LEU A 209  0                                        
SHEET    2   C 2 LYS A 213  TYR A 217 -1  O  TYR A 217   N  ILE A 205           
SHEET    1   D 4 ASN B  34  MET B  38  0                                        
SHEET    2   D 4 MET B  41  LEU B  48 -1  O  GLY B  43   N  TYR B  36           
SHEET    3   D 4 GLY B   3  PHE B   9 -1  N  VAL B   7   O  PHE B  44           
SHEET    4   D 4 ILE B  64  GLU B  69 -1  O  ASP B  65   N  ILE B   8           
LINK         C   THR A 220                 N   CSD A 221     1555   1555  1.37  
LINK         C   CSD A 221                 N   MET A 222     1555   1555  1.34  
LINK         OE1 GLN A   2                CA    CA A3001     1555   1555  2.58  
LINK         OD1 ASP A  41                CA    CA A3001     1555   1555  2.54  
LINK         OD2 ASP A  41                CA    CA A3001     1555   1555  2.68  
LINK         O   LEU A  75                CA    CA A3001     1555   1555  2.46  
LINK         OD1 ASN A  77                CA    CA A3001     1555   1555  2.55  
LINK         O   ILE A  79                CA    CA A3001     1555   1555  2.48  
LINK         O   VAL A  81                CA    CA A3001     1555   1555  2.43  
CISPEP   1 TYR A  167    PRO A  168          0         0.54                     
SITE     1 AC1  6 PRO A   5  TYR A   6  HOH A3138  HOH A3158                    
SITE     2 AC1  6 HOH A3208  HOH A3257                                          
SITE     1 AC2  8 ASN A 109  ASN B  34  GLU B  35  HOH B2046                    
SITE     2 AC2  8 HOH B2065  HOH B2067  HOH B2076  HOH B2092                    
SITE     1 AC3  6 GLN A   2  ASP A  41  LEU A  75  ASN A  77                    
SITE     2 AC3  6 ILE A  79  VAL A  81                                          
SITE     1 AC4  9 ASN A  62  SER A  63  HIS A  64  TYR A 217                    
SITE     2 AC4  9 GLN A 245  SER A 249  GLN A 275  HOH A3173                    
SITE     3 AC4  9 HOH A3254                                                     
SITE     1 AC5  6 GOL A2018  LYS B  17  THR B  21  GLU B  24                    
SITE     2 AC5  6 LYS B  55  LEU B  63                                          
SITE     1 AC6  7 GOL A2010  GLU B  24  GLU B  28  GLN B  51                    
SITE     2 AC6  7 SER B  52  LYS B  55  HOH B2051                               
SITE     1 AC7  2 LYS B  10  ASN B  11                                          
SITE     1 AC8  5 ASP A 181  ALA A 187  SER A 188  VAL A 203                    
SITE     2 AC8  5 HOH A3290                                                     
SITE     1 AC9  5 PRO A 129  SER A 130  HOH A3027  HIS B  71                    
SITE     2 AC9  5 VAL B  72                                                     
SITE     1 BC1  4 TYR A   6  ASP A 181  SER A 182  HOH A3282                    
SITE     1 BC2  6 ASN A 118  MET A 119  GLY A 146  HOH A3190                    
SITE     2 BC2  6 HOH A3271  HOH A3272                                          
SITE     1 BC3  4 ALA A  48  TRP A 113  HOH A3023  HOH A3137                    
SITE     1 BC4  9 SER A  38  PRO A  40  GOL A2003  GOL A2018                    
SITE     2 BC4  9 HOH A3167  GLU B  24  GLU B  28  LYS B  55                    
SITE     3 BC4  9 HOH B2078                                                     
SITE     1 BC5  4 ALA A   1  GLY A  80  TYR A 214  HOH A3191                    
SITE     1 BC6  7 LYS A 141  ALA A 144  HOH A3141  HOH A3224                    
SITE     2 BC6  7 HOH A3237  HOH A3292  HOH A3293                               
SITE     1 BC7  4 PRO A 172  SER A 173  HOH A3088  HOH A3276                    
SITE     1 BC8  3 SER B  14  LYS B  17  HOH B2100                               
SITE     1 BC9  8 VAL A 143  ALA A 144  SER A 145  GLY A 146                    
SITE     2 BC9  8 ASN A 243  HOH A3018  HOH A3219  HOH A3294                    
SITE     1 CC1  8 SER A  38  PRO A  40  GOL A2010  HOH A3010                    
SITE     2 CC1  8 HOH A3242  HOH A3281  HOH A3318  GOL B2002                    
CRYST1   77.700   71.800   94.500  90.00  90.00  90.00 P 21 21 21    4          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.012870  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013928  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010582        0.00000