PDB Short entry for 1E8N
HEADER    HYDROLASE/HYDROLASE INHIBITOR           27-SEP-00   1E8N              
TITLE     PROLYL OLIGOPEPTIDASE FROM PORCINE BRAIN, MUTANT, COMPLEXED WITH      
TITLE    2 PEPTIDE                                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROLYL ENDOPEPTIDASE;                                      
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: PROLYL ENDOPEPTIDASE, POST-PROLINE CLEAVING ENZYME;         
COMPND   5 EC: 3.4.21.26;                                                       
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES;                                                       
COMPND   8 MOL_ID: 2;                                                           
COMPND   9 MOLECULE: PEPTIDE INHIBITOR;                                         
COMPND  10 CHAIN: I;                                                            
COMPND  11 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SUS SCROFA;                                     
SOURCE   3 ORGANISM_COMMON: WILD BOAR;                                          
SOURCE   4 ORGANISM_TAXID: 9823;                                                
SOURCE   5 TISSUE: BRAIN;                                                       
SOURCE   6 CELLULAR_LOCATION: CYTOPLASM;                                        
SOURCE   7 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   8 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   9 MOL_ID: 2;                                                           
SOURCE  10 SYNTHETIC: YES;                                                      
SOURCE  11 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT;                            
SOURCE  12 ORGANISM_TAXID: 32630                                                
KEYWDS    HYDROLASE, PROLYL OLIGOPEPTIDASE, AMNESIA, ALPHA/BETA-HYDROLASE,      
KEYWDS   2 BETA-PROPELLER, HYDROLASE-HYDROLASE INHIBITOR COMPLEX                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    V.FULOP                                                               
REVDAT   8   13-DEC-23 1E8N    1       REMARK                                   
REVDAT   7   15-NOV-23 1E8N    1       REMARK LINK   ATOM                       
REVDAT   6   24-JUL-19 1E8N    1       REMARK LINK                              
REVDAT   5   28-DEC-16 1E8N    1       SOURCE                                   
REVDAT   4   13-JUL-11 1E8N    1       VERSN                                    
REVDAT   3   24-FEB-09 1E8N    1       VERSN                                    
REVDAT   2   18-JUL-03 1E8N    1       REMARK                                   
REVDAT   1   16-JAN-01 1E8N    0                                                
JRNL        AUTH   V.FULOP,Z.SZELTNER,V.RENNER,L.POLGAR                         
JRNL        TITL   STRUCTURES OF PROLYL OLIGOPEPTIDASE SUBSTRATE/ INHIBITOR     
JRNL        TITL 2 COMPLEXES. USE OF INHIBITOR BINDING FOR TITRATION OF THE     
JRNL        TITL 3 CATALYTIC HISTIDINE RESIDUE                                  
JRNL        REF    J.BIOL.CHEM.                  V. 276  1262 2001              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   11031266                                                     
JRNL        DOI    10.1074/JBC.M007003200                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   V.FULOP,Z.SZELTNER,L.POLGAR                                  
REMARK   1  TITL   CATALYSIS OF SERINE OLIGOPEPTIDASES IS CONTROLLED BY A       
REMARK   1  TITL 2 GATING FILTER MECHANISM                                      
REMARK   1  REF    EMBO REP.                     V.   1   277 2000              
REMARK   1  REFN                   ISSN 1469-221X                               
REMARK   1  PMID   11256612                                                     
REMARK   1  DOI    10.1093/EMBO-REPORTS/KVD048                                  
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   V.FULOP,Z.BOCSKEI,L.POLGAR                                   
REMARK   1  TITL   PROLYL OLIGOPEPTIDASE: AN UNUSUAL BETA-PROPELLER DOMAIN      
REMARK   1  TITL 2 REGULATES PROTEOLYSIS                                        
REMARK   1  REF    CELL(CAMBRIDGE,MASS.)         V.  94   161 1998              
REMARK   1  REFN                   ISSN 0092-8674                               
REMARK   1  PMID   9695945                                                      
REMARK   1  DOI    10.1016/S0092-8674(00)81416-6                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.851                                         
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 2.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 123725                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.192                           
REMARK   3   FREE R VALUE                     : 0.212                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 5028                            
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            : 5750                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 30                                      
REMARK   3   SOLVENT ATOMS            : 920                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 17.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.30                          
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) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.000                           
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  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 1E8N COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 27-SEP-00.                  
REMARK 100 THE DEPOSITION ID IS D_1290005396.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-JUL-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 100.0                              
REMARK 200  PH                             : 8.50                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.909                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 125944                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 19.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 97.8                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.1000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.54                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 90.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.90                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.71800                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: 1QFM                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 48.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.40                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: SEE REFERENCE, PH 8.50                   
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       35.35000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       55.35000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       49.85000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       55.35000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       35.35000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       49.85000            
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: 2390 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 28050 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -6.0 KCAL/MOL                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, I                                  
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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 CHAIN A CONTAINS ENGINEERED MUTATION S554A                           
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     PHE I   729                                                      
REMARK 465     ALA I   730                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    GLU A 416   CD    GLU A 416   OE1     0.083                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    BE2 I 722   CA  -  C   -  N   ANGL. DEV. =  17.2 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    SER A 197       59.02   -142.52                                   
REMARK 500    ASN A 271       56.87   -158.13                                   
REMARK 500    ASP A 284       52.71   -111.26                                   
REMARK 500    SER A 308       81.70   -152.86                                   
REMARK 500    TYR A 311      153.04     76.57                                   
REMARK 500    ASP A 320       66.26   -153.42                                   
REMARK 500    LYS A 335      -35.19   -140.77                                   
REMARK 500    SER A 346      -63.96     67.06                                   
REMARK 500    GLU A 418      112.47   -160.63                                   
REMARK 500    TYR A 473      -79.31   -131.19                                   
REMARK 500    LEU A 520     -126.05     51.87                                   
REMARK 500    ALA A 554     -114.45     62.26                                   
REMARK 500    VAL A 578       52.82     33.67                                   
REMARK 500    THR A 590     -110.80     29.77                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    BE2 I 722         19.16                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A2011        DISTANCE =  7.01 ANGSTROMS                       
REMARK 525    HOH A2034        DISTANCE =  7.55 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 790                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 791                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 792                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 793                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 794                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN I OF PEPTIDE INHIBITOR      
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1E5T   RELATED DB: PDB                                   
REMARK 900 PROLYL OLIGOPEPTIDASE FROM PORCINE BRAIN, MUTANT                     
REMARK 900 RELATED ID: 1E8M   RELATED DB: PDB                                   
REMARK 900 PROLYL OLIGOPEPTIDASE FROM PORCINE BRAIN, MUTANT, COMPLEXED WITH     
REMARK 900 INHIBITOR                                                            
REMARK 900 RELATED ID: 1QFM   RELATED DB: PDB                                   
REMARK 900 PROLYL OLIGOPEPTIDASE FROM PORCINE MUSCLE                            
REMARK 900 RELATED ID: 1QFS   RELATED DB: PDB                                   
REMARK 900 PROLYL OLIGOPEPTIDASE FROM PORCINE MUSCLE WITH COVALENTLY BOUND      
REMARK 900 INHIBITOR Z-PRO-PROLINAL                                             
DBREF  1E8N A    1   710  UNP    P23687   PPCE_PIG         1    710             
DBREF  1E8N I  722   730  PDB    1E8N     1E8N           722    730             
SEQADV 1E8N ALA A  554  UNP  P23687    SER   554 ENGINEERED MUTATION            
SEQRES   1 A  710  MET LEU SER PHE GLN TYR PRO ASP VAL TYR ARG ASP GLU          
SEQRES   2 A  710  THR ALA ILE GLN ASP TYR HIS GLY HIS LYS VAL CYS ASP          
SEQRES   3 A  710  PRO TYR ALA TRP LEU GLU ASP PRO ASP SER GLU GLN THR          
SEQRES   4 A  710  LYS ALA PHE VAL GLU ALA GLN ASN LYS ILE THR VAL PRO          
SEQRES   5 A  710  PHE LEU GLU GLN CYS PRO ILE ARG GLY LEU TYR LYS GLU          
SEQRES   6 A  710  ARG MET THR GLU LEU TYR ASP TYR PRO LYS TYR SER CYS          
SEQRES   7 A  710  HIS PHE LYS LYS GLY LYS ARG TYR PHE TYR PHE TYR ASN          
SEQRES   8 A  710  THR GLY LEU GLN ASN GLN ARG VAL LEU TYR VAL GLN ASP          
SEQRES   9 A  710  SER LEU GLU GLY GLU ALA ARG VAL PHE LEU ASP PRO ASN          
SEQRES  10 A  710  ILE LEU SER ASP ASP GLY THR VAL ALA LEU ARG GLY TYR          
SEQRES  11 A  710  ALA PHE SER GLU ASP GLY GLU TYR PHE ALA TYR GLY LEU          
SEQRES  12 A  710  SER ALA SER GLY SER ASP TRP VAL THR ILE LYS PHE MET          
SEQRES  13 A  710  LYS VAL ASP GLY ALA LYS GLU LEU PRO ASP VAL LEU GLU          
SEQRES  14 A  710  ARG VAL LYS PHE SER CYS MET ALA TRP THR HIS ASP GLY          
SEQRES  15 A  710  LYS GLY MET PHE TYR ASN ALA TYR PRO GLN GLN ASP GLY          
SEQRES  16 A  710  LYS SER ASP GLY THR GLU THR SER THR ASN LEU HIS GLN          
SEQRES  17 A  710  LYS LEU TYR TYR HIS VAL LEU GLY THR ASP GLN SER GLU          
SEQRES  18 A  710  ASP ILE LEU CYS ALA GLU PHE PRO ASP GLU PRO LYS TRP          
SEQRES  19 A  710  MET GLY GLY ALA GLU LEU SER ASP ASP GLY ARG TYR VAL          
SEQRES  20 A  710  LEU LEU SER ILE ARG GLU GLY CYS ASP PRO VAL ASN ARG          
SEQRES  21 A  710  LEU TRP TYR CYS ASP LEU GLN GLN GLU SER ASN GLY ILE          
SEQRES  22 A  710  THR GLY ILE LEU LYS TRP VAL LYS LEU ILE ASP ASN PHE          
SEQRES  23 A  710  GLU GLY GLU TYR ASP TYR VAL THR ASN GLU GLY THR VAL          
SEQRES  24 A  710  PHE THR PHE LYS THR ASN ARG HIS SER PRO ASN TYR ARG          
SEQRES  25 A  710  LEU ILE ASN ILE ASP PHE THR ASP PRO GLU GLU SER LYS          
SEQRES  26 A  710  TRP LYS VAL LEU VAL PRO GLU HIS GLU LYS ASP VAL LEU          
SEQRES  27 A  710  GLU TRP VAL ALA CYS VAL ARG SER ASN PHE LEU VAL LEU          
SEQRES  28 A  710  CYS TYR LEU HIS ASP VAL LYS ASN THR LEU GLN LEU HIS          
SEQRES  29 A  710  ASP LEU ALA THR GLY ALA LEU LEU LYS ILE PHE PRO LEU          
SEQRES  30 A  710  GLU VAL GLY SER VAL VAL GLY TYR SER GLY GLN LYS LYS          
SEQRES  31 A  710  ASP THR GLU ILE PHE TYR GLN PHE THR SER PHE LEU SER          
SEQRES  32 A  710  PRO GLY ILE ILE TYR HIS CYS ASP LEU THR LYS GLU GLU          
SEQRES  33 A  710  LEU GLU PRO ARG VAL PHE ARG GLU VAL THR VAL LYS GLY          
SEQRES  34 A  710  ILE ASP ALA SER ASP TYR GLN THR VAL GLN ILE PHE TYR          
SEQRES  35 A  710  PRO SER LYS ASP GLY THR LYS ILE PRO MET PHE ILE VAL          
SEQRES  36 A  710  HIS LYS LYS GLY ILE LYS LEU ASP GLY SER HIS PRO ALA          
SEQRES  37 A  710  PHE LEU TYR GLY TYR GLY GLY PHE ASN ILE SER ILE THR          
SEQRES  38 A  710  PRO ASN TYR SER VAL SER ARG LEU ILE PHE VAL ARG HIS          
SEQRES  39 A  710  MET GLY GLY VAL LEU ALA VAL ALA ASN ILE ARG GLY GLY          
SEQRES  40 A  710  GLY GLU TYR GLY GLU THR TRP HIS LYS GLY GLY ILE LEU          
SEQRES  41 A  710  ALA ASN LYS GLN ASN CYS PHE ASP ASP PHE GLN CYS ALA          
SEQRES  42 A  710  ALA GLU TYR LEU ILE LYS GLU GLY TYR THR SER PRO LYS          
SEQRES  43 A  710  ARG LEU THR ILE ASN GLY GLY ALA ASN GLY GLY LEU LEU          
SEQRES  44 A  710  VAL ALA THR CYS ALA ASN GLN ARG PRO ASP LEU PHE GLY          
SEQRES  45 A  710  CYS VAL ILE ALA GLN VAL GLY VAL MET ASP MET LEU LYS          
SEQRES  46 A  710  PHE HIS LYS TYR THR ILE GLY HIS ALA TRP THR THR ASP          
SEQRES  47 A  710  TYR GLY CYS SER ASP SER LYS GLN HIS PHE GLU TRP LEU          
SEQRES  48 A  710  ILE LYS TYR SER PRO LEU HIS ASN VAL LYS LEU PRO GLU          
SEQRES  49 A  710  ALA ASP ASP ILE GLN TYR PRO SER MET LEU LEU LEU THR          
SEQRES  50 A  710  ALA ASP HIS ASP ASP ARG VAL VAL PRO LEU HIS SER LEU          
SEQRES  51 A  710  LYS PHE ILE ALA THR LEU GLN TYR ILE VAL GLY ARG SER          
SEQRES  52 A  710  ARG LYS GLN ASN ASN PRO LEU LEU ILE HIS VAL ASP THR          
SEQRES  53 A  710  LYS ALA GLY HIS GLY ALA GLY LYS PRO THR ALA LYS VAL          
SEQRES  54 A  710  ILE GLU GLU VAL SER ASP MET PHE ALA PHE ILE ALA ARG          
SEQRES  55 A  710  CYS LEU ASN ILE ASP TRP ILE PRO                              
SEQRES   1 I    9  BE2 GLY PHE GLY PRO PHE GLY PHE ALA                          
HET    BE2  I 722       9                                                       
HET    GOL  A 790       6                                                       
HET    GOL  A 791       6                                                       
HET    GOL  A 792       6                                                       
HET    GOL  A 793       6                                                       
HET    GOL  A 794       6                                                       
HETNAM     BE2 2-AMINOBENZOIC ACID                                              
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2  BE2    C7 H7 N O2                                                   
FORMUL   3  GOL    5(C3 H8 O3)                                                  
FORMUL   8  HOH   *920(H2 O)                                                    
HELIX    1   1 TYR A   28  ASP A   33  5                                   6    
HELIX    2   2 SER A   36  GLN A   56  1                                  21    
HELIX    3   3 PRO A   58  TYR A   71  1                                  14    
HELIX    4   4 ASP A  115  SER A  120  5                                   6    
HELIX    5   5 ASP A  218  ASP A  222  5                                   5    
HELIX    6   6 GLN A  267  GLU A  269  5                                   3    
HELIX    7   7 GLU A  322  TRP A  326  5                                   5    
HELIX    8   8 ASP A  431  SER A  433  5                                   3    
HELIX    9   9 SER A  485  GLY A  496  1                                  12    
HELIX   10  10 TYR A  510  GLY A  517  1                                   8    
HELIX   11  11 GLY A  518  ASN A  522  5                                   5    
HELIX   12  12 LYS A  523  GLU A  540  1                                  18    
HELIX   13  13 SER A  544  LYS A  546  5                                   3    
HELIX   14  14 ALA A  554  ARG A  567  1                                  14    
HELIX   15  15 PRO A  568  PHE A  571  5                                   4    
HELIX   16  16 LYS A  585  TYR A  589  5                                   5    
HELIX   17  17 ILE A  591  ALA A  594  5                                   4    
HELIX   18  18 TRP A  595  GLY A  600  1                                   6    
HELIX   19  19 SER A  604  SER A  615  1                                  12    
HELIX   20  20 PRO A  616  ASN A  619  5                                   4    
HELIX   21  21 PRO A  646  VAL A  660  1                                  15    
HELIX   22  22 PRO A  685  ASN A  705  1                                  21    
SHEET    1   A 2 ILE A  16  TYR A  19  0                                        
SHEET    2   A 2 HIS A  22  CYS A  25 -1  N  VAL A  24   O  GLN A  17           
SHEET    1   B 4 PHE A  80  LYS A  82  0                                        
SHEET    2   B 4 ARG A  85  TYR A  90 -1  N  PHE A  87   O  PHE A  80           
SHEET    3   B 4 VAL A  99  GLN A 103 -1  N  GLN A 103   O  TYR A  86           
SHEET    4   B 4 ARG A 111  LEU A 114 -1  N  LEU A 114   O  LEU A 100           
SHEET    1   C 3 VAL A 125  LEU A 127  0                                        
SHEET    2   C 3 TYR A 138  ALA A 145 -1  N  SER A 144   O  ALA A 126           
SHEET    3   C 3 THR A 152  LYS A 157 -1  N  MET A 156   O  PHE A 139           
SHEET    1   D 2 TYR A 130  PHE A 132  0                                        
SHEET    2   D 2 PHE A 139  TYR A 141 -1  N  ALA A 140   O  ALA A 131           
SHEET    1   E 4 MET A 176  TRP A 178  0                                        
SHEET    2   E 4 GLY A 184  ALA A 189 -1  N  PHE A 186   O  ALA A 177           
SHEET    3   E 4 LYS A 209  VAL A 214 -1  N  HIS A 213   O  MET A 185           
SHEET    4   E 4 ILE A 223  ALA A 226 -1  N  ALA A 226   O  LEU A 210           
SHEET    1   F 3 MET A 235  LEU A 240  0                                        
SHEET    2   F 3 TYR A 246  ARG A 252 -1  N  ARG A 252   O  MET A 235           
SHEET    3   F 3 ARG A 260  ASP A 265 -1  N  CYS A 264   O  VAL A 247           
SHEET    1   G 4 TYR A 290  GLU A 296  0                                        
SHEET    2   G 4 VAL A 299  THR A 304 -1  N  LYS A 303   O  ASP A 291           
SHEET    3   G 4 ARG A 312  ASP A 317 -1  N  ILE A 316   O  PHE A 300           
SHEET    4   G 4 LYS A 327  VAL A 330 -1  N  VAL A 330   O  LEU A 313           
SHEET    1   H 4 VAL A 337  VAL A 344  0                                        
SHEET    2   H 4 PHE A 348  HIS A 355 -1  N  LEU A 354   O  VAL A 337           
SHEET    3   H 4 LYS A 358  ASP A 365 -1  N  HIS A 364   O  LEU A 349           
SHEET    4   H 4 LEU A 371  PHE A 375 -1  N  PHE A 375   O  LEU A 361           
SHEET    1   I 4 SER A 381  SER A 386  0                                        
SHEET    2   I 4 GLU A 393  THR A 399 -1  N  THR A 399   O  SER A 381           
SHEET    3   I 4 GLY A 405  ASP A 411 -1  N  CYS A 410   O  ILE A 394           
SHEET    4   I 4 ARG A 420  VAL A 425 -1  N  VAL A 425   O  GLY A 405           
SHEET    1   J 8 TYR A 435  PRO A 443  0                                        
SHEET    2   J 8 LYS A 449  LYS A 457 -1  N  HIS A 456   O  GLN A 436           
SHEET    3   J 8 VAL A 498  ALA A 502 -1  N  VAL A 501   O  PHE A 453           
SHEET    4   J 8 ALA A 468  TYR A 471  1  N  PHE A 469   O  VAL A 498           
SHEET    5   J 8 LEU A 548  GLY A 553  1  N  THR A 549   O  ALA A 468           
SHEET    6   J 8 CYS A 573  GLN A 577  1  N  CYS A 573   O  ILE A 550           
SHEET    7   J 8 SER A 632  ALA A 638  1  N  SER A 632   O  VAL A 574           
SHEET    8   J 8 LEU A 670  ASP A 675  1  N  LEU A 671   O  MET A 633           
LINK         C   BE2 I 722                 N   GLY I 723     1555   1555  1.32  
SITE     1 AC1 10 ILE A 118  LEU A 119  SER A 120  ASP A 121                    
SITE     2 AC1 10 ASP A 446  ASN A 522  ASN A 525  HOH A2906                    
SITE     3 AC1 10 HOH A2907  HOH A2908                                          
SITE     1 AC2  7 ALA A 226  GLU A 227  PHE A 228  ILE A 276                    
SITE     2 AC2  7 LYS A 281  HOH A2909  HOH A2910                               
SITE     1 AC3  8 TRP A 150  VAL A 151  THR A 152  GLU A 169                    
SITE     2 AC3  8 ARG A 170  VAL A 171  SER A 197  HOH A2911                    
SITE     1 AC4 10 PRO A 568  ASP A 569  PHE A 571  GLY A 572                    
SITE     2 AC4 10 ILE A 628  GLN A 629  PRO A 631  ASN A 668                    
SITE     3 AC4 10 HOH A2912  HOH A2913                                          
SITE     1 AC5  9 GLU A 239  ASP A 291  TYR A 292  HOH A2457                    
SITE     2 AC5  9 HOH A2462  HOH A2914  HOH A2915  HOH A2916                    
SITE     3 AC5  9 HOH A2917                                                     
SITE     1 AC6 14 PHE A 173  SER A 174  GLY A 254  TYR A 473                    
SITE     2 AC6 14 PHE A 476  ALA A 554  ASN A 555  ILE A 591                    
SITE     3 AC6 14 ALA A 594  TRP A 595  ARG A 643  HIS A 680                    
SITE     4 AC6 14 HOH I2002  HOH I2003                                          
CRYST1   70.700   99.700  110.700  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      0.014144  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010030  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009033        0.00000