PDB Short entry for 1G3B
HEADER    HYDROLASE                               23-OCT-00   1G3B              
TITLE     BOVINE BETA-TRYPSIN BOUND TO META-AMIDINO SCHIFF BASE MAGNESIUM(II)   
TITLE    2 CHELATE                                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: BETA-TRYPSIN;                                              
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: MATURE ENZYME;                                             
COMPND   5 EC: 3.4.21.4                                                         
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: CATTLE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 SECRETION: PANCREAS                                                  
KEYWDS    ENZYME-INHIBITOR COMPLEX, COORDINATION METAL BASED INHIBITOR,         
KEYWDS   2 HYDROLASE                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.TOYOTA,K.K.S.NG,H.SEKIZAKI,K.ITOH,K.TANIZAWA,M.N.G.JAMES            
REVDAT   4   04-APR-18 1G3B    1       REMARK                                   
REVDAT   3   24-FEB-09 1G3B    1       VERSN                                    
REVDAT   2   01-APR-03 1G3B    1       JRNL                                     
REVDAT   1   17-JAN-01 1G3B    0                                                
JRNL        AUTH   E.TOYOTA,K.K.NG,H.SEKIZAKI,K.ITOH,K.TANIZAWA,M.N.JAMES       
JRNL        TITL   X-RAY CRYSTALLOGRAPHIC ANALYSES OF COMPLEXES BETWEEN BOVINE  
JRNL        TITL 2 BETA-TRYPSIN AND SCHIFF BASE COPPER(II) OR IRON(III)         
JRNL        TITL 3 CHELATES.                                                    
JRNL        REF    J.MOL.BIOL.                   V. 305   471 2001              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   11152605                                                     
JRNL        DOI    10.1006/JMBI.2000.4303                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 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 : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.35                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 233278.910                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 96.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 25810                          
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) : 0.173                           
REMARK   3   FREE R VALUE                     : 0.193                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2542                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.004                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.91                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 94.00                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3695                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2310                       
REMARK   3   BIN FREE R VALUE                    : 0.2530                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 9.50                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 386                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.013                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1629                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 24                                      
REMARK   3   SOLVENT ATOMS            : 170                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 13.50                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 19.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -0.51000                                             
REMARK   3    B22 (A**2) : 1.15000                                              
REMARK   3    B33 (A**2) : -0.64000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.18                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.14                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.20                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.15                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.004                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 25.20                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.710                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.180 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.850 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.220 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.310 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.40                                                 
REMARK   3   BSOL        : 49.95                                                
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  : PROTEIN_REP.PA                                 
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARA                                 
REMARK   3  PARAMETER FILE  3  : ION_NEW2.PARAM                                 
REMARK   3  PARAMETER FILE  4  : BEN.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN_SEP.TOP                                
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : ION_NEW.TOP                                    
REMARK   3  TOPOLOGY FILE  4   : BEN.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1G3B COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-OCT-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000012180.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-AUG-99                          
REMARK 200  TEMPERATURE           (KELVIN) : 106                                
REMARK 200  PH                             : 8.3                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : YALE MIRRORS                       
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MACSCIENCE DIP100                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 26364                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.9                               
REMARK 200  DATA REDUNDANCY                : 3.600                              
REMARK 200  R MERGE                    (I) : 0.08600                            
REMARK 200  R SYM                      (I) : 0.08600                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 7.6000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.86                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 1.0                                
REMARK 200  DATA REDUNDANCY IN SHELL       : 3.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.35300                            
REMARK 200  R SYM FOR SHELL            (I) : 0.35300                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.400                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MONOCHROMATIC                                  
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: 1BTY                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.91                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.92                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: MAGNESIUM SULFATE, TRIS-CL, CALCIUM      
REMARK 280  CHLORIDE, PH 8.3, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K   
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       31.88500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       34.66500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       31.62500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       34.66500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       31.88500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       31.62500            
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: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 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     ASP A    11                                                      
REMARK 465     ASP A    12                                                      
REMARK 465     ASP A    13                                                      
REMARK 465     ASP A    14                                                      
REMARK 465     LYS A    15                                                      
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  71      -78.64   -134.71                                   
REMARK 500    ASN A  79       -9.30     85.25                                   
REMARK 500    SER A 214      -70.06   -113.85                                   
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                              MG A 501  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 108 A 601   N                                                      
REMARK 620 2 108 A 601   OXT  75.6                                              
REMARK 620 3 HOH A 724   O    85.7  89.0                                        
REMARK 620 4 HOH A 725   O   175.0 101.3  90.4                                  
REMARK 620 5 GLN A 192   OE1 115.9 106.9 155.4  68.5                            
REMARK 620 6 108 A 601   O1   84.1 158.8  83.7  98.6  87.0                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 502  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A 739   O                                                      
REMARK 620 2 VAL A  75   O   105.0                                              
REMARK 620 3 HOH A 737   O   169.0  85.0                                        
REMARK 620 4 GLU A  80   OE2  81.6  87.5  94.6                                  
REMARK 620 5 ASN A  72   O    85.2  81.6 101.0 160.0                            
REMARK 620 6 GLU A  70   OE1  88.1 165.5  82.5 100.9  93.4                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 501                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 502                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 701                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE 108 A 601                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1BTY   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED WITH BENZAMIDINE                          
DBREF  1G3B A   11   238  UNP    P00760   TRY1_BOVIN      11    238             
SEQRES   1 A  228  ASP ASP ASP ASP LYS ILE VAL GLY GLY TYR THR CYS GLY          
SEQRES   2 A  228  ALA ASN THR VAL PRO TYR GLN VAL SER LEU ASN SER GLY          
SEQRES   3 A  228  TYR HIS PHE CYS GLY GLY SER LEU ILE ASN SER GLN TRP          
SEQRES   4 A  228  VAL VAL SER ALA ALA HIS CYS TYR LYS SER GLY ILE GLN          
SEQRES   5 A  228  VAL ARG LEU GLY GLU ASP ASN ILE ASN VAL VAL GLU GLY          
SEQRES   6 A  228  ASN GLU GLN PHE ILE SER ALA SER LYS SER ILE VAL HIS          
SEQRES   7 A  228  PRO SER TYR ASN SER ASN THR LEU ASN ASN ASP ILE MET          
SEQRES   8 A  228  LEU ILE LYS LEU LYS SER ALA ALA SER LEU ASN SER ARG          
SEQRES   9 A  228  VAL ALA SER ILE SER LEU PRO THR SER CYS ALA SER ALA          
SEQRES  10 A  228  GLY THR GLN CYS LEU ILE SER GLY TRP GLY ASN THR LYS          
SEQRES  11 A  228  SER SER GLY THR SER TYR PRO ASP VAL LEU LYS CYS LEU          
SEQRES  12 A  228  LYS ALA PRO ILE LEU SER ASP SER SER CYS LYS SER ALA          
SEQRES  13 A  228  TYR PRO GLY GLN ILE THR SER ASN MET PHE CYS ALA GLY          
SEQRES  14 A  228  TYR LEU GLU GLY GLY LYS ASP SER CYS GLN GLY ASP SER          
SEQRES  15 A  228  GLY GLY PRO VAL VAL CYS SER GLY LYS LEU GLN GLY ILE          
SEQRES  16 A  228  VAL SER TRP GLY SER GLY CYS ALA GLN LYS ASN LYS PRO          
SEQRES  17 A  228  GLY VAL TYR THR LYS VAL CYS ASN TYR VAL SER TRP ILE          
SEQRES  18 A  228  LYS GLN THR ILE ALA SER ASN                                  
HET     MG  A 501       1                                                       
HET     CA  A 502       1                                                       
HET    SO4  A 701       5                                                       
HET    108  A 601      17                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM      CA CALCIUM ION                                                      
HETNAM     SO4 SULFATE ION                                                      
HETNAM     108 2-(5-CARBAMIMIDOYL-2-HYDROXY-BENZYLAMINO)-PROPIONIC              
HETNAM   2 108  ACID                                                            
FORMUL   2   MG    MG 2+                                                        
FORMUL   3   CA    CA 2+                                                        
FORMUL   4  SO4    O4 S 2-                                                      
FORMUL   5  108    C11 H15 N3 O3                                                
FORMUL   6  HOH   *170(H2 O)                                                    
HELIX    1   1 ALA A   55  TYR A   59  5                                   5    
HELIX    2   2 SER A  164  TYR A  172  1                                   9    
HELIX    3   3 TYR A  234  SER A  244  1                                  11    
SHEET    1   A 7 TYR A  20  THR A  21  0                                        
SHEET    2   A 7 LYS A 156  PRO A 161 -1  N  CYS A 157   O  TYR A  20           
SHEET    3   A 7 GLN A 135  GLY A 140 -1  N  CYS A 136   O  ALA A 160           
SHEET    4   A 7 PRO A 198  CYS A 201 -1  O  PRO A 198   N  SER A 139           
SHEET    5   A 7 LYS A 204  TRP A 215 -1  O  LYS A 204   N  CYS A 201           
SHEET    6   A 7 GLY A 226  LYS A 230 -1  N  VAL A 227   O  TRP A 215           
SHEET    7   A 7 MET A 180  ALA A 183 -1  O  PHE A 181   N  TYR A 228           
SHEET    1   B 7 GLN A  30  ASN A  34  0                                        
SHEET    2   B 7 HIS A  40  ASN A  48 -1  N  PHE A  41   O  LEU A  33           
SHEET    3   B 7 TRP A  51  SER A  54 -1  O  TRP A  51   N  ILE A  47           
SHEET    4   B 7 MET A 104  LEU A 108 -1  O  MET A 104   N  SER A  54           
SHEET    5   B 7 GLN A  81  VAL A  90 -1  N  SER A  86   O  LYS A 107           
SHEET    6   B 7 GLN A  64  LEU A  66 -1  N  VAL A  65   O  ILE A  83           
SHEET    7   B 7 GLN A  30  ASN A  34 -1                                        
SSBOND   1 CYS A   22    CYS A  157                          1555   1555  2.03  
SSBOND   2 CYS A   42    CYS A   58                          1555   1555  2.03  
SSBOND   3 CYS A  128    CYS A  232                          1555   1555  2.03  
SSBOND   4 CYS A  136    CYS A  201                          1555   1555  2.03  
SSBOND   5 CYS A  168    CYS A  182                          1555   1555  2.03  
SSBOND   6 CYS A  191    CYS A  220                          1555   1555  2.03  
LINK        MG    MG A 501                 N   108 A 601     1555   1555  2.20  
LINK        MG    MG A 501                 OXT 108 A 601     1555   1555  2.12  
LINK        MG    MG A 501                 O   HOH A 724     1555   1555  2.26  
LINK        MG    MG A 501                 O   HOH A 725     1555   1555  2.14  
LINK        MG    MG A 501                 OE1 GLN A 192     1555   1555  2.61  
LINK        MG    MG A 501                 O1  108 A 601     1555   1555  1.96  
LINK        CA    CA A 502                 O   HOH A 739     1555   1555  2.25  
LINK        CA    CA A 502                 O   VAL A  75     1555   1555  2.24  
LINK        CA    CA A 502                 O   HOH A 737     1555   1555  2.27  
LINK        CA    CA A 502                 OE2 GLU A  80     1555   1555  2.24  
LINK        CA    CA A 502                 O   ASN A  72     1555   1555  2.29  
LINK        CA    CA A 502                 OE1 GLU A  70     1555   1555  2.21  
SITE     1 AC1  4 GLN A 192  108 A 601  HOH A 724  HOH A 725                    
SITE     1 AC2  6 GLU A  70  ASN A  72  VAL A  75  GLU A  80                    
SITE     2 AC2  6 HOH A 737  HOH A 739                                          
SITE     1 AC3  5 PRO A 173  GLY A 174  GLN A 240  HOH A 713                    
SITE     2 AC3  5 HOH A 871                                                     
SITE     1 AC4 12 ASP A 189  SER A 190  CYS A 191  GLN A 192                    
SITE     2 AC4 12 SER A 195  TRP A 215  GLY A 216  GLY A 219                    
SITE     3 AC4 12 GLY A 226   MG A 501  HOH A 723  HOH A 724                    
CRYST1   63.770   63.250   69.330  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      0.015681  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015810  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.014424        0.00000