HEADER    HYDROLASE                               03-OCT-17   6B6R              
TITLE     ORTHORHOMBIC TRYPSIN CRYOCOOLED TO 100 K WITH 50% MPD AS              
TITLE    2 CRYOPROTECTANT                                                       
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CATIONIC TRYPSIN;                                          
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: BETA-TRYPSIN;                                               
COMPND   5 EC: 3.4.21.4;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 EXPRESSION_SYSTEM: BOS TAURUS;                                       
SOURCE   6 EXPRESSION_SYSTEM_COMMON: BOVINE;                                    
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 9913                                        
KEYWDS    HYDROLASE                                                             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    D.H.JUERS                                                             
REVDAT   5   09-OCT-24 6B6R    1       REMARK                                   
REVDAT   4   01-JAN-20 6B6R    1       REMARK                                   
REVDAT   3   19-SEP-18 6B6R    1       JRNL                                     
REVDAT   2   06-DEC-17 6B6R    1       REMARK                                   
REVDAT   1   01-NOV-17 6B6R    0                                                
JRNL        AUTH   D.H.JUERS,C.A.FARLEY,C.P.SAXBY,R.A.COTTER,J.K.B.CAHN,        
JRNL        AUTH 2 R.C.HOLTON-BURKE,K.HARRISON,Z.WU                             
JRNL        TITL   THE IMPACT OF CRYOSOLUTION THERMAL CONTRACTION ON PROTEINS   
JRNL        TITL 2 AND PROTEIN CRYSTALS: VOLUMES, CONFORMATION AND ORDER.       
JRNL        REF    ACTA CRYSTALLOGR D STRUCT     V.  74   922 2018              
JRNL        REF  2 BIOL                                                         
JRNL        REFN                   ISSN 2059-7983                               
JRNL        PMID   30198901                                                     
JRNL        DOI    10.1107/S2059798318008793                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : PHENIX                                               
REMARK   3   AUTHORS     : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN            
REMARK   3               : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE,           
REMARK   3               : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER,            
REMARK   3               : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY,              
REMARK   3               : REETAL PAI,RANDY READ,JANE RICHARDSON,               
REMARK   3               : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI,           
REMARK   3               : NICHOLAS SAUTER,JACOB SMITH,LAURENT                  
REMARK   3               : STORONI,TOM TERWILLIGER,PETER ZWART                  
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 12.91                          
REMARK   3   MIN(FOBS/SIGMA_FOBS)              : 1.374                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 98.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 14413                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.122                           
REMARK   3   R VALUE            (WORKING SET) : 0.120                           
REMARK   3   FREE R VALUE                     : 0.172                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.224                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 753                             
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT (IN BINS).                           
REMARK   3   BIN  RESOLUTION RANGE  COMPL.    NWORK NFREE   RWORK  RFREE        
REMARK   3     1 12.9150 -  3.4033    0.95     2725   171  0.1260 0.1547        
REMARK   3     2  3.4033 -  2.7095    1.00     2800   129  0.1268 0.1884        
REMARK   3     3  2.7095 -  2.3694    1.00     2728   170  0.1151 0.1632        
REMARK   3     4  2.3694 -  2.1538    1.00     2718   137  0.1098 0.1801        
REMARK   3     5  2.1538 -  2.0001    0.98     2689   146  0.1115 0.1965        
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED        : NULL                                          
REMARK   3   SOLVENT RADIUS     : 1.11                                          
REMARK   3   SHRINKAGE RADIUS   : 0.90                                          
REMARK   3   K_SOL              : NULL                                          
REMARK   3   B_SOL              : NULL                                          
REMARK   3                                                                      
REMARK   3  ERROR ESTIMATES.                                                    
REMARK   3   COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED)     : 0.136            
REMARK   3   PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 15.447           
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 8.25                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 11.06                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  TWINNING INFORMATION.                                               
REMARK   3   FRACTION: NULL                                                     
REMARK   3   OPERATOR: NULL                                                     
REMARK   3                                                                      
REMARK   3  DEVIATIONS FROM IDEAL VALUES.                                       
REMARK   3                 RMSD          COUNT                                  
REMARK   3   BOND      :  0.007           1738                                  
REMARK   3   ANGLE     :  0.859           2371                                  
REMARK   3   CHIRALITY :  0.055            262                                  
REMARK   3   PLANARITY :  0.005            301                                  
REMARK   3   DIHEDRAL  : 10.354           1036                                  
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  NCS DETAILS                                                         
REMARK   3   NUMBER OF NCS GROUPS : NULL                                        
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 6B6R COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 03-OCT-17.                  
REMARK 100 THE DEPOSITION ID IS D_1000230067.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 12-APR-16                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : SEALED TUBE                        
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : OXFORD DIFFRACTION NOVA            
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.54                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : OXFORD ONYX CCD                    
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : CRYSALISPRO 1.10.1_2155            
REMARK 200  DATA SCALING SOFTWARE          : SCALA                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14445                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 13.900                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.5                               
REMARK 200  DATA REDUNDANCY                : 4.100                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 29.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.11                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.900                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: NULL                                                  
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 45.20                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.24                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: WELL: 25% PEG 8K, 0.2 M AMSO4, 0.1 M     
REMARK 280  BENZAMIDINE HAL, 0.1 M TRIS BUFFER PH 8.0 PROTEIN: 40 MG/ML IN      
REMARK 280  WATER, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 295K              
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       27.05750            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       33.24750            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       29.09750            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       33.24750            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.05750            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       29.09750            
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1600 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 8880 ANGSTROM**2                        
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -42.0 KCAL/MOL                        
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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   HG   SER A   116     O    HOH A   405              1.59            
REMARK 500   O    HOH A   401     O    HOH A   601              2.12            
REMARK 500   O    HOH A   466     O    HOH A   610              2.14            
REMARK 500   O    HOH A   543     O    HOH A   620              2.19            
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    ASP A  71      -80.55   -117.45                                   
REMARK 500    SER A 214      -61.59   -120.33                                   
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 A 645        DISTANCE =  6.50 ANGSTROMS                       
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A 301  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  70   OE1                                                    
REMARK 620 2 ASN A  72   O    94.7                                              
REMARK 620 3 VAL A  75   O   167.9  81.0                                        
REMARK 620 4 GLU A  80   OE2 102.5 156.7  85.0                                  
REMARK 620 5 HOH A 411   O    86.7  89.9 104.6  75.6                            
REMARK 620 6 HOH A 530   O    78.7 103.0  91.1  95.8 161.2                      
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 CA A 301                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue BEN A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 303                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 304                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue SO4 A 305                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MRD A 306                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue MRD A 307                 
DBREF  6B6R A   16   245  UNP    P00760   TRY1_BOVIN      24    246             
SEQRES   1 A  223  ILE VAL GLY GLY TYR THR CYS GLY ALA ASN THR VAL PRO          
SEQRES   2 A  223  TYR GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY          
SEQRES   3 A  223  GLY SER LEU ILE ASN SER GLN TRP VAL VAL SER ALA ALA          
SEQRES   4 A  223  HIS CYS TYR LYS SER GLY ILE GLN VAL ARG LEU GLY GLU          
SEQRES   5 A  223  ASP ASN ILE ASN VAL VAL GLU GLY ASN GLU GLN PHE ILE          
SEQRES   6 A  223  SER ALA SER LYS SER ILE VAL HIS PRO SER TYR ASN SER          
SEQRES   7 A  223  ASN THR LEU ASN ASN ASP ILE MET LEU ILE LYS LEU LYS          
SEQRES   8 A  223  SER ALA ALA SER LEU ASN SER ARG VAL ALA SER ILE SER          
SEQRES   9 A  223  LEU PRO THR SER CYS ALA SER ALA GLY THR GLN CYS LEU          
SEQRES  10 A  223  ILE SER GLY TRP GLY ASN THR LYS SER SER GLY THR SER          
SEQRES  11 A  223  TYR PRO ASP VAL LEU LYS CYS LEU LYS ALA PRO ILE LEU          
SEQRES  12 A  223  SER ASP SER SER CYS LYS SER ALA TYR PRO GLY GLN ILE          
SEQRES  13 A  223  THR SER ASN MET PHE CYS ALA GLY TYR LEU GLU GLY GLY          
SEQRES  14 A  223  LYS ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL          
SEQRES  15 A  223  CYS SER GLY LYS LEU GLN GLY ILE VAL SER TRP GLY SER          
SEQRES  16 A  223  GLY CYS ALA GLN LYS ASN LYS PRO GLY VAL TYR THR LYS          
SEQRES  17 A  223  VAL CYS ASN TYR VAL SER TRP ILE LYS GLN THR ILE ALA          
SEQRES  18 A  223  SER ASN                                                      
HET     CA  A 301       1                                                       
HET    BEN  A 302      16                                                       
HET    SO4  A 303       5                                                       
HET    SO4  A 304       5                                                       
HET    SO4  A 305       5                                                       
HET    MRD  A 306      22                                                       
HET    MRD  A 307      22                                                       
HETNAM      CA CALCIUM ION                                                      
HETNAM     BEN BENZAMIDINE                                                      
HETNAM     SO4 SULFATE ION                                                      
HETNAM     MRD (4R)-2-METHYLPENTANE-2,4-DIOL                                    
FORMUL   2   CA    CA 2+                                                        
FORMUL   3  BEN    C7 H8 N2                                                     
FORMUL   4  SO4    3(O4 S 2-)                                                   
FORMUL   7  MRD    2(C6 H14 O2)                                                 
FORMUL   9  HOH   *245(H2 O)                                                    
HELIX    1 AA1 ALA A   55  TYR A   59  5                                   5    
HELIX    2 AA2 SER A  164  TYR A  172  1                                   9    
HELIX    3 AA3 TYR A  234  ASN A  245  1                                  12    
SHEET    1 AA1 7 TYR A  20  THR A  21  0                                        
SHEET    2 AA1 7 LYS A 156  PRO A 161 -1  O  CYS A 157   N  TYR A  20           
SHEET    3 AA1 7 GLN A 135  GLY A 140 -1  N  ILE A 138   O  LEU A 158           
SHEET    4 AA1 7 PRO A 198  CYS A 201 -1  O  VAL A 200   N  LEU A 137           
SHEET    5 AA1 7 LYS A 204  TRP A 215 -1  O  LYS A 204   N  CYS A 201           
SHEET    6 AA1 7 GLY A 226  LYS A 230 -1  O  VAL A 227   N  TRP A 215           
SHEET    7 AA1 7 MET A 180  ALA A 183 -1  N  PHE A 181   O  TYR A 228           
SHEET    1 AA2 7 GLN A  30  ASN A  34  0                                        
SHEET    2 AA2 7 HIS A  40  ASN A  48 -1  O  CYS A  42   N  LEU A  33           
SHEET    3 AA2 7 TRP A  51  SER A  54 -1  O  VAL A  53   N  SER A  45           
SHEET    4 AA2 7 MET A 104  LEU A 108 -1  O  ILE A 106   N  VAL A  52           
SHEET    5 AA2 7 GLN A  81  VAL A  90 -1  N  ILE A  89   O  LEU A 105           
SHEET    6 AA2 7 GLN A  64  LEU A  67 -1  N  LEU A  67   O  GLN A  81           
SHEET    7 AA2 7 GLN A  30  ASN A  34 -1  N  ASN A  34   O  GLN A  64           
SSBOND   1 CYS A   22    CYS A  157                          1555   1555  2.02  
SSBOND   2 CYS A   42    CYS A   58                          1555   1555  2.05  
SSBOND   3 CYS A  128    CYS A  232                          1555   1555  2.04  
SSBOND   4 CYS A  136    CYS A  201                          1555   1555  2.03  
SSBOND   5 CYS A  168    CYS A  182                          1555   1555  2.02  
SSBOND   6 CYS A  191    CYS A  220                          1555   1555  2.02  
LINK         OE1 GLU A  70                CA    CA A 301     1555   1555  2.24  
LINK         O   ASN A  72                CA    CA A 301     1555   1555  2.32  
LINK         O   VAL A  75                CA    CA A 301     1555   1555  2.26  
LINK         OE2 GLU A  80                CA    CA A 301     1555   1555  2.33  
LINK        CA    CA A 301                 O   HOH A 411     1555   1555  2.50  
LINK        CA    CA A 301                 O   HOH A 530     1555   1555  2.39  
SITE     1 AC1  6 GLU A  70  ASN A  72  VAL A  75  GLU A  80                    
SITE     2 AC1  6 HOH A 411  HOH A 530                                          
SITE     1 AC2 10 ASP A 189  SER A 190  CYS A 191  GLN A 192                    
SITE     2 AC2 10 SER A 195  GLY A 216  GLY A 219  GLY A 226                    
SITE     3 AC2 10 SO4 A 303  HOH A 564                                          
SITE     1 AC3  9 HIS A  57  GLN A 192  GLY A 193  SER A 195                    
SITE     2 AC3  9 BEN A 302  HOH A 476  HOH A 481  HOH A 516                    
SITE     3 AC3  9 HOH A 554                                                     
SITE     1 AC4  5 LYS A 169  PRO A 173  GLY A 174  HOH A 450                    
SITE     2 AC4  5 HOH A 499                                                     
SITE     1 AC5  2 ILE A  47  ASN A  48                                          
SITE     1 AC6  5 CYS A 128  ALA A 129  LEU A 163  LYS A 230                    
SITE     2 AC6  5 HOH A 559                                                     
SITE     1 AC7  5 TYR A  20  THR A  26  ASN A  97  LYS A 159                    
SITE     2 AC7  5 HOH A 437                                                     
CRYST1   54.115   58.195   66.495  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      0.018479  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.017184  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.015039        0.00000