HEADER    HYDROLASE/HYDROLASE INHIBITOR           10-DEC-98   2STA              
TITLE     ANIONIC SALMON TRYPSIN IN COMPLEX WITH SQUASH SEED INHIBITOR          
TITLE    2 (CUCURBITA MAXIMA TRYPSIN INHIBITOR I)                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (TRYPSIN);                                         
COMPND   3 CHAIN: E;                                                            
COMPND   4 EC: 3.4.21.4;                                                        
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: PROTEIN (TRYPSIN INHIBITOR);                               
COMPND   7 CHAIN: I                                                             
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SALMO SALAR;                                    
SOURCE   3 ORGANISM_COMMON: ATLANTIC SALMON;                                    
SOURCE   4 ORGANISM_TAXID: 8030;                                                
SOURCE   5 TISSUE: PANCREATIC;                                                  
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: CUCURBITA MAXIMA;                               
SOURCE   8 ORGANISM_COMMON: WINTER SQUASH;                                      
SOURCE   9 ORGANISM_TAXID: 3661;                                                
SOURCE  10 ORGAN: SQUASH SEEDS                                                  
KEYWDS    SERINE PROTEINASE, TRYPSIN INHIBITOR, HYDROLASE-HYDROLASE INHIBITOR   
KEYWDS   2 COMPLEX                                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    R.HELLAND,G.I.BERGLUND,J.OTLEWSKI,W.APOSTOLUK,O.A.ANDERSEN,           
AUTHOR   2 N.P.WILLASSEN,A.O.SMALAS                                             
REVDAT   4   13-NOV-24 2STA    1       REMARK                                   
REVDAT   3   30-AUG-23 2STA    1       REMARK SEQADV LINK                       
REVDAT   2   24-FEB-09 2STA    1       VERSN                                    
REVDAT   1   19-JAN-00 2STA    0                                                
JRNL        AUTH   R.HELLAND,G.I.BERGLUND,J.OTLEWSKI,W.APOSTOLUK,O.A.ANDERSEN,  
JRNL        AUTH 2 N.P.WILLASSEN,A.O.SMALAS                                     
JRNL        TITL   HIGH-RESOLUTION STRUCTURES OF THREE NEW                      
JRNL        TITL 2 TRYPSIN-SQUASH-INHIBITOR COMPLEXES: A DETAILED COMPARISON    
JRNL        TITL 3 WITH OTHER TRYPSINS AND THEIR COMPLEXES.                     
JRNL        REF    ACTA CRYSTALLOGR.,SECT.D      V.  55   139 1999              
JRNL        REFN                   ISSN 0907-4449                               
JRNL        PMID   10089404                                                     
JRNL        DOI    10.1107/S090744499801052X                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.8                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 6.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.9                           
REMARK   3   NUMBER OF REFLECTIONS             : 29878                          
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) : 0.193                           
REMARK   3   FREE R VALUE                     : 0.233                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1888                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 139                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 19.90                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 22.10                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.10                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.20                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 6.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.013                           
REMARK   3   BOND ANGLES            (DEGREES) : 2.625                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 2STA COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-DEC-98.                  
REMARK 100 THE DEPOSITION ID IS D_1000000250.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 293                                
REMARK 200  PH                             : 6.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : ESRF                               
REMARK 200  BEAMLINE                       : BM1A                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.873                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO, CCP4                        
REMARK 200  DATA SCALING SOFTWARE          : CCP4                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 30958                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.800                              
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     (%) : 98.9                               
REMARK 200  DATA REDUNDANCY                : 4.200                              
REMARK 200  R MERGE                    (I) : 0.08500                            
REMARK 200  R SYM                      (I) : 0.08700                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: X-PLOR                                                
REMARK 200 STARTING MODEL: 2TBS                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 59.09                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.01                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.0                                   
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       31.15000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       41.15000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       31.85000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       41.15000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       31.15000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       31.85000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 1520 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 10350 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -20.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: E, 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 475                                                                      
REMARK 475 ZERO OCCUPANCY RESIDUES                                              
REMARK 475 THE FOLLOWING RESIDUES WERE MODELED WITH ZERO OCCUPANCY.             
REMARK 475 THE LOCATION AND PROPERTIES OF THESE RESIDUES MAY NOT                
REMARK 475 BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;                      
REMARK 475 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE)          
REMARK 475   M RES C  SSEQI                                                     
REMARK 475     ALA E   243                                                      
REMARK 475     SER E   244                                                      
REMARK 475     TYR E   245                                                      
REMARK 475     GLU I   524                                                      
REMARK 480                                                                      
REMARK 480 ZERO OCCUPANCY ATOM                                                  
REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 480   M RES C SSEQI ATOMS                                                
REMARK 480     LYS E   23   NZ                                                  
REMARK 480     SER E   37   OG                                                  
REMARK 480     ARG E   62   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     LYS E   74   CE   NZ                                             
REMARK 480     SER E   84   OG                                                  
REMARK 480     TYR E   97   CB   CG   CD1  CD2  CE1  CE2  CZ                    
REMARK 480     TYR E   97   OH                                                  
REMARK 480     LYS E  107   NZ                                                  
REMARK 480     LYS E  110   CE   NZ                                             
REMARK 480     THR E  116   OG1  CG2                                            
REMARK 480     SER E  148   OG                                                  
REMARK 480     SER E  166   OG                                                  
REMARK 480     ASN E  178   CG   OD1  ND2                                       
REMARK 480     LYS E  188   NZ                                                  
REMARK 480     ARG I  501   CB   CG   CD   NE   CZ   NH1  NH2                   
REMARK 480     GLU I  509   CG   CD   OE2                                       
REMARK 480     LYS I  511   N    C    O    CB   CG   CD   CE                    
REMARK 480     LYS I  511   NZ                                                  
REMARK 480     LYS I  512   CB   CG   CD   CE   NZ                              
REMARK 480     HIS I  525   CB   CG   ND1  CD2  CE1  NE2                        
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   RES CSSEQI ATM2   DEVIATION                     
REMARK 500    ARG I 505   C     ARG I 505   O       0.120                       
REMARK 500    HIS I 525   NE2   HIS I 525   CD2    -0.067                       
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    TRP E  51   CD1 -  CG  -  CD2 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    TRP E  51   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    TRP E 141   CD1 -  CG  -  CD2 ANGL. DEV. =   5.8 DEGREES          
REMARK 500    TRP E 141   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.8 DEGREES          
REMARK 500    TRP E 215   CD1 -  CG  -  CD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    TRP E 215   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.7 DEGREES          
REMARK 500    TRP E 237   CD1 -  CG  -  CD2 ANGL. DEV. =   5.6 DEGREES          
REMARK 500    TRP E 237   CE2 -  CD2 -  CG  ANGL. DEV. =  -5.6 DEGREES          
REMARK 500    ARG I 501   CA  -  C   -  N   ANGL. DEV. =  16.0 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    GLN E  27       64.85   -117.13                                   
REMARK 500    ASN E 115     -158.96   -158.45                                   
REMARK 500    SER E 214      -70.90   -131.60                                   
REMARK 500    ARG I 505       43.24    -84.22                                   
REMARK 500    LYS I 511      -55.92   -126.08                                   
REMARK 500    ALA I 518     -124.33     42.66                                   
REMARK 500    HIS I 525        5.71    -61.07                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 620                                                                      
REMARK 620 METAL COORDINATION                                                   
REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA E 700  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU E  70   OE1                                                    
REMARK 620 2 ASN E  72   O    91.4                                              
REMARK 620 3 VAL E  75   O   162.3  89.2                                        
REMARK 620 4 GLU E  77   OE1  92.5  83.9 105.1                                  
REMARK 620 5 GLU E  80   OE2  97.6 157.8  88.3  75.5                            
REMARK 620 6 HOH E 755   O    76.2 111.9  87.2 160.4  90.0                      
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 E 700                  
DBREF  2STA E   16   245  UNP    P35031   TRY1_SALSA      21    242             
DBREF  2STA I  501   529  UNP    P01074   ITR1_CUCMA       1     29             
SEQADV 2STA PRO E   24  UNP  P35031    ALA    29 CONFLICT                       
SEQADV 2STA PRO E   28  UNP  P35031    THR    33 CONFLICT                       
SEQRES   1 E  222  ILE VAL GLY GLY TYR GLU CYS LYS PRO TYR SER GLN PRO          
SEQRES   2 E  222  HIS GLN VAL SER LEU ASN SER GLY TYR HIS PHE CYS GLY          
SEQRES   3 E  222  GLY SER LEU VAL ASN GLU ASN TRP VAL VAL SER ALA ALA          
SEQRES   4 E  222  HIS CYS TYR LYS SER ARG VAL GLU VAL ARG LEU GLY GLU          
SEQRES   5 E  222  HIS ASN ILE LYS VAL THR GLU GLY SER GLU GLN PHE ILE          
SEQRES   6 E  222  SER SER SER ARG VAL ILE ARG HIS PRO ASN TYR SER SER          
SEQRES   7 E  222  TYR ASN ILE ASP ASN ASP ILE MET LEU ILE LYS LEU SER          
SEQRES   8 E  222  LYS PRO ALA THR LEU ASN THR TYR VAL GLN PRO VAL ALA          
SEQRES   9 E  222  LEU PRO THR SER CYS ALA PRO ALA GLY THR MET CYS THR          
SEQRES  10 E  222  VAL SER GLY TRP GLY ASN THR MET SER SER THR ALA ASP          
SEQRES  11 E  222  SER ASN LYS LEU GLN CYS LEU ASN ILE PRO ILE LEU SER          
SEQRES  12 E  222  TYR SER ASP CYS ASN ASN SER TYR PRO GLY MET ILE THR          
SEQRES  13 E  222  ASN ALA MET PHE CYS ALA GLY TYR LEU GLU GLY GLY LYS          
SEQRES  14 E  222  ASP SER CYS GLN GLY ASP SER GLY GLY PRO VAL VAL CYS          
SEQRES  15 E  222  ASN GLY GLU LEU GLN GLY VAL VAL SER TRP GLY TYR GLY          
SEQRES  16 E  222  CYS ALA GLU PRO GLY ASN PRO GLY VAL TYR ALA LYS VAL          
SEQRES  17 E  222  CYS ILE PHE ASN ASP TRP LEU THR SER THR MET ALA SER          
SEQRES  18 E  222  TYR                                                          
SEQRES   1 I   29  ARG VAL CYS PRO ARG ILE LEU MET GLU CYS LYS LYS ASP          
SEQRES   2 I   29  SER ASP CYS LEU ALA GLU CYS VAL CYS LEU GLU HIS GLY          
SEQRES   3 I   29  TYR CYS GLY                                                  
HET     CA  E 700       1                                                       
HETNAM      CA CALCIUM ION                                                      
FORMUL   3   CA    CA 2+                                                        
FORMUL   4  HOH   *139(H2 O)                                                    
HELIX    1   1 ALA E   56  CYS E   58  5                                   3    
HELIX    2   2 TYR E  165  SER E  171  1                                   7    
HELIX    3   3 VAL E  231  ALA E  243  5                                  13    
HELIX    4   4 ASP I  513  ASP I  515  5                                   3    
SHEET    1   A 7 MET E 180  ALA E 183  0                                        
SHEET    2   A 7 GLY E 226  LYS E 230 -1  O  GLY E 226   N  ALA E 183           
SHEET    3   A 7 GLU E 204  GLY E 216 -1  O  VAL E 212   N  ALA E 229           
SHEET    4   A 7 PRO E 198  CYS E 201 -1  O  VAL E 199   N  GLN E 210           
SHEET    5   A 7 MET E 135  GLY E 140 -1  N  THR E 137   O  VAL E 200           
SHEET    6   A 7 GLN E 156  PRO E 161 -1  N  GLN E 156   O  GLY E 140           
SHEET    7   A 7 TYR E  20  GLU E  21 -1  O  TYR E  20   N  CYS E 157           
SHEET    1  A1 4 MET E 180  ALA E 183  0                                        
SHEET    2  A1 4 GLY E 226  LYS E 230 -1  O  GLY E 226   N  ALA E 183           
SHEET    3  A1 4 GLU E 204  GLY E 216 -1  O  VAL E 212   N  ALA E 229           
SHEET    4  A1 4 CYS I 503  PRO I 504 -1                                        
SHEET    1   B 7 GLN E  30  ASN E  34  0                                        
SHEET    2   B 7 HIS E  40  ASN E  48 -1  N  PHE E  41   O  LEU E  33           
SHEET    3   B 7 TRP E  51  SER E  54 -1  O  TRP E  51   N  VAL E  47           
SHEET    4   B 7 MET E 104  LEU E 108 -1  O  MET E 104   N  SER E  54           
SHEET    5   B 7 GLN E  81  ARG E  90 -1  N  SER E  86   O  LYS E 107           
SHEET    6   B 7 GLU E  64  LEU E  67 -1  N  VAL E  65   O  ILE E  83           
SHEET    7   B 7 GLN E  30  ASN E  34 -1  O  SER E  32   N  ARG E  66           
SHEET    1   C 2 VAL I 521  LEU I 523  0                                        
SHEET    2   C 2 TYR I 527  GLY I 529 -1  O  TYR I 527   N  LEU I 523           
SSBOND   1 CYS E   22    CYS E  157                          1555   1555  2.02  
SSBOND   2 CYS E   42    CYS E   58                          1555   1555  2.06  
SSBOND   3 CYS E  128    CYS E  232                          1555   1555  2.03  
SSBOND   4 CYS E  136    CYS E  201                          1555   1555  2.05  
SSBOND   5 CYS E  168    CYS E  182                          1555   1555  2.04  
SSBOND   6 CYS E  191    CYS E  220                          1555   1555  2.05  
SSBOND   7 CYS I  503    CYS I  520                          1555   1555  2.01  
SSBOND   8 CYS I  510    CYS I  522                          1555   1555  2.01  
SSBOND   9 CYS I  516    CYS I  528                          1555   1555  2.02  
LINK         OE1 GLU E  70                CA    CA E 700     1555   1555  2.47  
LINK         O   ASN E  72                CA    CA E 700     1555   1555  2.34  
LINK         O   VAL E  75                CA    CA E 700     1555   1555  2.24  
LINK         OE1 GLU E  77                CA    CA E 700     1555   1555  2.72  
LINK         OE2 GLU E  80                CA    CA E 700     1555   1555  2.52  
LINK        CA    CA E 700                 O   HOH E 755     1555   1555  2.48  
SITE     1 AC1  6 GLU E  70  ASN E  72  VAL E  75  GLU E  77                    
SITE     2 AC1  6 GLU E  80  HOH E 755                                          
CRYST1   62.300   63.700   82.300  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      0.016051  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.015698  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012151        0.00000