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Database: PDB
Entry: 2ZFF
LinkDB: 2ZFF
Original site: 2ZFF 
HEADER    BLOOD CLOTTING/HYDROLASE INHIBITOR      04-JAN-08   2ZFF              
TITLE     EXPLORING THROMBIN S1-POCKET                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: THROMBIN LIGHT CHAIN;                                      
COMPND   3 CHAIN: L;                                                            
COMPND   4 SYNONYM: COAGULATION FACTOR II;                                      
COMPND   5 EC: 3.4.21.5;                                                        
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: THROMBIN HEAVY CHAIN;                                      
COMPND   8 CHAIN: H;                                                            
COMPND   9 SYNONYM: COAGULATION FACTOR II;                                      
COMPND  10 EC: 3.4.21.5;                                                        
COMPND  11 MOL_ID: 3;                                                           
COMPND  12 MOLECULE: HIRUDIN VARIANT-1;                                         
COMPND  13 CHAIN: I;                                                            
COMPND  14 FRAGMENT: UNP RESIDUES 54-64;                                        
COMPND  15 SYNONYM: LEPIRUDIN;                                                  
COMPND  16 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   3 ORGANISM_COMMON: HUMAN;                                              
SOURCE   4 ORGANISM_TAXID: 9606;                                                
SOURCE   5 TISSUE: BLOOD PLASMA;                                                
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: HOMO SAPIENS;                                   
SOURCE   8 ORGANISM_COMMON: HUMAN;                                              
SOURCE   9 ORGANISM_TAXID: 9606;                                                
SOURCE  10 TISSUE: BLOOD PLASMA;                                                
SOURCE  11 MOL_ID: 3;                                                           
SOURCE  12 SYNTHETIC: YES;                                                      
SOURCE  13 OTHER_DETAILS: SYNTHETIC FRAGMENT OF HIRUDIN FROM HIRUDO MEDICINALIS 
KEYWDS    BLOOD CLOTTING/HYDROLASE INHIBITORS, ACUTE PHASE, BLOOD COAGULATION,  
KEYWDS   2 CLEAVAGE ON PAIR OF BASIC RESIDUES, DISEASE MUTATION, GAMMA-         
KEYWDS   3 CARBOXYGLUTAMIC ACID, GLYCOPROTEIN, KRINGLE, PROTEASE, SECRETED,     
KEYWDS   4 SERINE PROTEASE, ZYMOGEN, BLOOD CLOTTING-HYDROLASE INHIBITOR COMPLEX 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    B.BAUM,A.HEINE,G.KLEBE                                                
REVDAT   6   15-NOV-23 2ZFF    1       REMARK                                   
REVDAT   5   01-NOV-23 2ZFF    1       REMARK LINK                              
REVDAT   4   11-OCT-17 2ZFF    1       REMARK                                   
REVDAT   3   18-SEP-13 2ZFF    1       REMARK                                   
REVDAT   2   13-JUL-11 2ZFF    1       VERSN                                    
REVDAT   1   16-DEC-08 2ZFF    0                                                
JRNL        AUTH   B.BAUM,D.HANGAUER,A.HEINE,G.KLEBE                            
JRNL        TITL   EXPLORING THROMBIN S1-POCKET                                 
JRNL        REF    TO BE PUBLISHED                                              
JRNL        REFN                                                                
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.47 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : SHELXL-97                                            
REMARK   3   AUTHORS     : G.M.SHELDRICK                                        
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.47                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 93.3                           
REMARK   3   CROSS-VALIDATION METHOD           : FREE R                         
REMARK   3   FREE R VALUE TEST SET SELECTION   : RANDOM                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (NO CUTOFF).                         
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : 0.208                  
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : 0.156                  
REMARK   3   FREE R VALUE                  (NO CUTOFF) : 0.260                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : 5.100                  
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : 2814                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : 55657                  
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL FOR DATA WITH F>4SIG(F).                     
REMARK   3   R VALUE   (WORKING + TEST SET, F>4SIG(F)) : 0.199                  
REMARK   3   R VALUE          (WORKING SET, F>4SIG(F)) : 0.149                  
REMARK   3   FREE R VALUE                  (F>4SIG(F)) : 0.247                  
REMARK   3   FREE R VALUE TEST SET SIZE (%, F>4SIG(F)) : 5.000                  
REMARK   3   FREE R VALUE TEST SET COUNT   (F>4SIG(F)) : 2366                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (F>4SIG(F)) : 46899                  
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS      : 2340                                          
REMARK   3   NUCLEIC ACID ATOMS : 0                                             
REMARK   3   HETEROGEN ATOMS    : 28                                            
REMARK   3   SOLVENT ATOMS      : 159                                           
REMARK   3                                                                      
REMARK   3  MODEL REFINEMENT.                                                   
REMARK   3   OCCUPANCY SUM OF NON-HYDROGEN ATOMS      : 2532.5                  
REMARK   3   OCCUPANCY SUM OF HYDROGEN ATOMS          : 0.00                    
REMARK   3   NUMBER OF DISCRETELY DISORDERED RESIDUES : 8                       
REMARK   3   NUMBER OF LEAST-SQUARES PARAMETERS       : 23114                   
REMARK   3   NUMBER OF RESTRAINTS                     : 28380                   
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM RESTRAINT TARGET VALUES.                        
REMARK   3   BOND LENGTHS                         (A) : 0.010                   
REMARK   3   ANGLE DISTANCES                      (A) : 0.029                   
REMARK   3   SIMILAR DISTANCES (NO TARGET VALUES) (A) : 0.000                   
REMARK   3   DISTANCES FROM RESTRAINT PLANES      (A) : 0.029                   
REMARK   3   ZERO CHIRAL VOLUMES               (A**3) : 0.054                   
REMARK   3   NON-ZERO CHIRAL VOLUMES           (A**3) : 0.072                   
REMARK   3   ANTI-BUMPING DISTANCE RESTRAINTS     (A) : 0.021                   
REMARK   3   RIGID-BOND ADP COMPONENTS         (A**2) : 0.004                   
REMARK   3   SIMILAR ADP COMPONENTS            (A**2) : 0.061                   
REMARK   3   APPROXIMATELY ISOTROPIC ADPS      (A**2) : 0.000                   
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED: NULL                                                  
REMARK   3                                                                      
REMARK   3  STEREOCHEMISTRY TARGET VALUES : ENGH & HUBER                        
REMARK   3   SPECIAL CASE: NULL                                                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: ANISOTROPIC SCALING APPLIED BY THE        
REMARK   3  METHOD OF PARKIN, MOEZZI & HOPE, J.APPL.CRYST.28(1995)53-56         
REMARK   3  ANISOTROPIC REFINEMENT REDUCED FREE R (NO CUTOFF)                   
REMARK   4                                                                      
REMARK   4 2ZFF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 08-JAN-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000027903.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-DEC-07                          
REMARK 200  TEMPERATURE           (KELVIN) : 110                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : BESSY                              
REMARK 200  BEAMLINE                       : 14.1                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.95373                            
REMARK 200  MONOCHROMATOR                  : DOUBLE CRYSTAL                     
REMARK 200  OPTICS                         : DOUBLE CRYSTAL MONOCHROMATOR       
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : MARMOSAIC 225 MM CCD               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 58620                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.470                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.1                               
REMARK 200  DATA REDUNDANCY                : 2.600                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.03600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 27.8000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.47                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.50                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 96.7                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.60                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.49900                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: AB INITIO PHASING            
REMARK 200 SOFTWARE USED: SHELX                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1H8D                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 51.43                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.53                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PHOSPHATE BUFFER, SODIUM CHLORIDE, PEG   
REMARK 280  8000, PH 7.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 277K       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y,-Z                                                 
REMARK 290       3555   X+1/2,Y+1/2,Z                                           
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        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   3  1.000000  0.000000  0.000000       35.05000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       35.75000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000       35.05000            
REMARK 290   SMTRY2   4  0.000000  1.000000  0.000000       35.75000            
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: TRIMERIC                          
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC                   
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 3540 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12730 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -33.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: L, H, 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 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375      HOH H3036  LIES ON A SPECIAL POSITION.                          
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     THR L     1H                                                     
REMARK 465     PHE L     1G                                                     
REMARK 465     GLY L     1F                                                     
REMARK 465     SER L     1E                                                     
REMARK 465     GLY L     1D                                                     
REMARK 465     ASP L    14L                                                     
REMARK 465     GLY L    14M                                                     
REMARK 465     ARG L    14N                                                     
REMARK 465     TRP H   148                                                      
REMARK 465     THR H   149                                                      
REMARK 465     ALA H   149A                                                     
REMARK 465     ASN H   149B                                                     
REMARK 465     VAL H   149C                                                     
REMARK 465     GLY H   149D                                                     
REMARK 465     LYS H   149E                                                     
REMARK 465     GLU H   247                                                      
REMARK 465     LEU I    64                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     GLU L   1C   CG   CD   OE1  OE2                                  
REMARK 470     ARG H  75    CG   CD   NE   CZ   NH1  NH2                        
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    ARG L  14D  NE  -  CZ  -  NH1 ANGL. DEV. =   3.7 DEGREES          
REMARK 500    ARG L  14D  NE  -  CZ  -  NH2 ANGL. DEV. =  -3.0 DEGREES          
REMARK 500    LEU H  40   CA  -  CB  -  CG  ANGL. DEV. =  14.4 DEGREES          
REMARK 500    TYR H  60A  CB  -  CG  -  CD1 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ARG H  73   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    ARG H  93   NE  -  CZ  -  NH1 ANGL. DEV. =   4.2 DEGREES          
REMARK 500    ARG H 101   NE  -  CZ  -  NH1 ANGL. DEV. =   4.4 DEGREES          
REMARK 500    VAL H 157   CB  -  CA  -  C   ANGL. DEV. = -14.3 DEGREES          
REMARK 500    ARG H 165   CD  -  NE  -  CZ  ANGL. DEV. =   9.0 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    PHE L   7      -88.38   -131.07                                   
REMARK 500    TYR H  60A      83.08   -154.30                                   
REMARK 500    ASN H  60G      79.05   -158.55                                   
REMARK 500    HIS H  71      -63.08   -131.50                                   
REMARK 500    ILE H  79      -61.66   -126.69                                   
REMARK 500    GLU H  97A     -70.90   -119.97                                   
REMARK 500    LYS H 186D     155.20    -49.03                                   
REMARK 500    SER H 195      134.93    -36.53                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 630                                                                      
REMARK 630 MOLECULE TYPE: PEPTIDE-LIKE THROMBIN INHIBITOR                       
REMARK 630 MOLECULE NAME: D-PHENYLALANYL-N-BENZYL-L-PROLINAMIDE                 
REMARK 630 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 630  SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                           
REMARK 630                                                                      
REMARK 630   M RES C SSSEQI                                                     
REMARK 630     53U H  2001                                                      
REMARK 630 SOURCE: NULL                                                         
REMARK 630 TAXONOMY: NULL                                                       
REMARK 630 SUBCOMP:    DPN PRO ABN                                              
REMARK 630 DETAILS: NULL                                                        
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA H 2002                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NA H 2003                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 53U H 2001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR CHAIN I OF HIRUDIN VARIANT-1      
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1H8D   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1YPG   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2ZC9   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2ZDA   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2ZDV   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2ZF0   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 2ZFP   RELATED DB: PDB                                   
DBREF  2ZFF L    1H   14N UNP    P00734   THRB_HUMAN     328    363             
DBREF  2ZFF H   16   247  UNP    P00734   THRB_HUMAN     364    622             
DBREF  2ZFF I   54    64  UNP    P01050   ITH1_HIRME      54     64             
SEQRES   1 L   36  THR PHE GLY SER GLY GLU ALA ASP CYS GLY LEU ARG PRO          
SEQRES   2 L   36  LEU PHE GLU LYS LYS SER LEU GLU ASP LYS THR GLU ARG          
SEQRES   3 L   36  GLU LEU LEU GLU SER TYR ILE ASP GLY ARG                      
SEQRES   1 H  259  ILE VAL GLU GLY SER ASP ALA GLU ILE GLY MET SER PRO          
SEQRES   2 H  259  TRP GLN VAL MET LEU PHE ARG LYS SER PRO GLN GLU LEU          
SEQRES   3 H  259  LEU CYS GLY ALA SER LEU ILE SER ASP ARG TRP VAL LEU          
SEQRES   4 H  259  THR ALA ALA HIS CYS LEU LEU TYR PRO PRO TRP ASP LYS          
SEQRES   5 H  259  ASN PHE THR GLU ASN ASP LEU LEU VAL ARG ILE GLY LYS          
SEQRES   6 H  259  HIS SER ARG THR ARG TYR GLU ARG ASN ILE GLU LYS ILE          
SEQRES   7 H  259  SER MET LEU GLU LYS ILE TYR ILE HIS PRO ARG TYR ASN          
SEQRES   8 H  259  TRP ARG GLU ASN LEU ASP ARG ASP ILE ALA LEU MET LYS          
SEQRES   9 H  259  LEU LYS LYS PRO VAL ALA PHE SER ASP TYR ILE HIS PRO          
SEQRES  10 H  259  VAL CYS LEU PRO ASP ARG GLU THR ALA ALA SER LEU LEU          
SEQRES  11 H  259  GLN ALA GLY TYR LYS GLY ARG VAL THR GLY TRP GLY ASN          
SEQRES  12 H  259  LEU LYS GLU THR TRP THR ALA ASN VAL GLY LYS GLY GLN          
SEQRES  13 H  259  PRO SER VAL LEU GLN VAL VAL ASN LEU PRO ILE VAL GLU          
SEQRES  14 H  259  ARG PRO VAL CYS LYS ASP SER THR ARG ILE ARG ILE THR          
SEQRES  15 H  259  ASP ASN MET PHE CYS ALA GLY TYR LYS PRO ASP GLU GLY          
SEQRES  16 H  259  LYS ARG GLY ASP ALA CYS GLU GLY ASP SER GLY GLY PRO          
SEQRES  17 H  259  PHE VAL MET LYS SER PRO PHE ASN ASN ARG TRP TYR GLN          
SEQRES  18 H  259  MET GLY ILE VAL SER TRP GLY GLU GLY CYS ASP ARG ASP          
SEQRES  19 H  259  GLY LYS TYR GLY PHE TYR THR HIS VAL PHE ARG LEU LYS          
SEQRES  20 H  259  LYS TRP ILE GLN LYS VAL ILE ASP GLN PHE GLY GLU              
SEQRES   1 I   11  GLY ASP PHE GLU GLU ILE PRO GLU GLU TYS LEU                  
MODRES 2ZFF TYS I   63  TYR  O-SULFO-L-TYROSINE                                 
HET    TYS  I  63      16                                                       
HET     NA  H2002       1                                                       
HET     NA  H2003       1                                                       
HET    53U  H2001      26                                                       
HETNAM     TYS O-SULFO-L-TYROSINE                                               
HETNAM      NA SODIUM ION                                                       
HETNAM     53U D-PHENYLALANYL-N-BENZYL-L-PROLINAMIDE                            
HETSYN     53U (2S)-1-((2R)-2-AMINO-3-PHENYL-PROPANOYL)-N-                      
HETSYN   2 53U  (PHENYLMETHYL)PYRROLIDINE-2-CARBOXAMIDE                         
FORMUL   3  TYS    C9 H11 N O6 S                                                
FORMUL   4   NA    2(NA 1+)                                                     
FORMUL   6  53U    C21 H25 N3 O2                                                
FORMUL   7  HOH   *159(H2 O)                                                    
HELIX    1   1 PHE L    7  SER L   11  5                                   5    
HELIX    2   2 THR L   14B TYR L   14J 1                                   9    
HELIX    3   3 ALA H   55  CYS H   58  5                                   4    
HELIX    4   4 PRO H   60B ASP H   60E 5                                   4    
HELIX    5   5 THR H   60I ASN H   62  5                                   3    
HELIX    6   6 ASP H  125  LEU H  130  1                                   9    
HELIX    7   7 GLU H  164  SER H  171  1                                   8    
HELIX    8   8 LYS H  185  GLY H  186C 5                                   5    
HELIX    9   9 LEU H  234  GLY H  246  1                                  13    
SHEET    1   A 7 SER H  20  ASP H  21  0                                        
SHEET    2   A 7 GLN H 156  PRO H 161 -1  O  VAL H 157   N  SER H  20           
SHEET    3   A 7 LYS H 135  GLY H 140 -1  N  VAL H 138   O  VAL H 158           
SHEET    4   A 7 PRO H 198  LYS H 202 -1  O  VAL H 200   N  ARG H 137           
SHEET    5   A 7 TRP H 207  TRP H 215 -1  O  TYR H 208   N  MET H 201           
SHEET    6   A 7 GLY H 226  HIS H 230 -1  O  PHE H 227   N  TRP H 215           
SHEET    7   A 7 MET H 180  ALA H 183 -1  N  PHE H 181   O  TYR H 228           
SHEET    1   B 7 GLN H  30  ARG H  35  0                                        
SHEET    2   B 7 GLU H  39  LEU H  46 -1  O  GLU H  39   N  ARG H  35           
SHEET    3   B 7 TRP H  51  THR H  54 -1  O  LEU H  53   N  SER H  45           
SHEET    4   B 7 ALA H 104  LEU H 108 -1  O  MET H 106   N  VAL H  52           
SHEET    5   B 7 LYS H  81  ILE H  90 -1  N  GLU H  86   O  LYS H 107           
SHEET    6   B 7 LEU H  64  ILE H  68 -1  N  ILE H  68   O  LYS H  81           
SHEET    7   B 7 GLN H  30  ARG H  35 -1  N  PHE H  34   O  LEU H  65           
SHEET    1   C 2 LEU H  60  TYR H  60A 0                                        
SHEET    2   C 2 LYS H  60F ASN H  60G-1  O  LYS H  60F  N  TYR H  60A          
SSBOND   1 CYS L    1    CYS H  122                          1555   1555  2.07  
SSBOND   2 CYS H   42    CYS H   58                          1555   1555  2.05  
SSBOND   3 CYS H  168    CYS H  182                          1555   1555  2.03  
SSBOND   4 CYS H  191    CYS H  220                          1555   1555  2.02  
LINK         C   GLU I  62                 N   TYS I  63     1555   1555  1.33  
CISPEP   1 SER H   36A   PRO H   37          0        -6.96                     
SITE     1 AC1  6 ARG H 221A LYS H 224  HOH H3037  HOH H3057                    
SITE     2 AC1  6 HOH H3068  HOH H3143                                          
SITE     1 AC2  6 LYS H 169  THR H 172  PHE H 204A HOH H3026                    
SITE     2 AC2  6 HOH H3035  HOH H3045                                          
SITE     1 AC3 13 HIS H  57  TYR H  60A GLU H  97A ILE H 174                    
SITE     2 AC3 13 ALA H 190  SER H 195  VAL H 213  SER H 214                    
SITE     3 AC3 13 TRP H 215  GLY H 216  GLY H 219  HOH H3098                    
SITE     4 AC3 13 HOH H3160                                                     
SITE     1 AC4 17 PHE H  34  GLN H  38  LEU H  40  LEU H  65                    
SITE     2 AC4 17 ARG H  73  THR H  74  ARG H  75  TYR H  76                    
SITE     3 AC4 17 GLU H  80  LYS H  81  ILE H  82  GLN H 151                    
SITE     4 AC4 17 SER H 153  HOH H3050  HOH H3093  HOH I3130                    
SITE     5 AC4 17 HOH I3151                                                     
CRYST1   70.100   71.500   72.500  90.00 100.30  90.00 C 1 2 1       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      0.014259  0.000000  0.002602        0.00000                         
SCALE2      0.000000  0.013993  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014030        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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