PDB Short entry for 1ACB
HEADER    HYDROLASE/HYDROLASE INHIBITOR           08-NOV-91   1ACB              
TITLE     CRYSTAL AND MOLECULAR STRUCTURE OF THE BOVINE ALPHA-CHYMOTRYPSIN-EGLIN
TITLE    2 C COMPLEX AT 2.0 ANGSTROMS RESOLUTION                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ALPHA-CHYMOTRYPSIN;                                        
COMPND   3 CHAIN: E;                                                            
COMPND   4 EC: 3.4.21.1;                                                        
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MOL_ID: 2;                                                           
COMPND   7 MOLECULE: EGLIN C;                                                   
COMPND   8 CHAIN: I;                                                            
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BOS TAURUS;                                     
SOURCE   3 ORGANISM_COMMON: BOVINE;                                             
SOURCE   4 ORGANISM_TAXID: 9913;                                                
SOURCE   5 MOL_ID: 2;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: HIRUDO MEDICINALIS;                             
SOURCE   7 ORGANISM_COMMON: MEDICINAL LEECH;                                    
SOURCE   8 ORGANISM_TAXID: 6421                                                 
KEYWDS    SERINE PROTEASE, HYDROLASE-HYDROLASE INHIBITOR COMPLEX                
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.BOLOGNESI,F.FRIGERIO,A.CODA,L.PUGLIESE,C.LIONETTI,E.MENEGATTI,      
AUTHOR   2 G.AMICONI,H.P.SCHNEBLI,P.ASCENZI                                     
REVDAT   5   29-NOV-17 1ACB    1       REMARK HELIX                             
REVDAT   4   17-NOV-10 1ACB    1       SOURCE                                   
REVDAT   3   24-FEB-09 1ACB    1       VERSN                                    
REVDAT   2   01-APR-03 1ACB    1       JRNL                                     
REVDAT   1   31-OCT-93 1ACB    0                                                
JRNL        AUTH   F.FRIGERIO,A.CODA,L.PUGLIESE,C.LIONETTI,E.MENEGATTI,         
JRNL        AUTH 2 G.AMICONI,H.P.SCHNEBLI,P.ASCENZI,M.BOLOGNESI                 
JRNL        TITL   CRYSTAL AND MOLECULAR STRUCTURE OF THE BOVINE                
JRNL        TITL 2 ALPHA-CHYMOTRYPSIN-EGLIN C COMPLEX AT 2.0 A RESOLUTION.      
JRNL        REF    J.MOL.BIOL.                   V. 225   107 1992              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   1583684                                                      
JRNL        DOI    10.1016/0022-2836(92)91029-O                                 
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.BOLOGNESI,L.PUGLIESE,G.GATTI,F.FRIGERIO,A.CODA,L.ANTOLINI, 
REMARK   1  AUTH 2 H.P.SCHNEBLI,E.MENEGATTI,G.AMICONI,P.ASCENZI                 
REMARK   1  TITL   X-RAY CRYSTAL STRUCTURE OF THE BOVINE                        
REMARK   1  TITL 2 ALPHA-CHYMOTRYPSIN(SLASH)EGLIN C COMPLEX AT 2.6 ANGSTROMS    
REMARK   1  TITL 3 RESOLUTION                                                   
REMARK   1  REF    J.MOL.RECOG.                  V.   3   163 1990              
REMARK   1  REFN                   ISSN 0952-3499                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   L.PUGLIESE,G.GATTI,M.BOLOGNESI,A.CODA,E.MENEGATTI,           
REMARK   1  AUTH 2 H.P.SCHNEBLI,P.ASCENZI,G.AMICONI                             
REMARK   1  TITL   PRELIMINARY CRYSTALLOGRAPHIC DATA ON THE COMPLEX OF BOVINE   
REMARK   1  TITL 2 ALPHA-CHYMOTRYPSIN WITH THE RECOMBINANT PROTEINASE INHIBITOR 
REMARK   1  TITL 3 EGLIN C FROM HIRUDO MEDICINALIS                              
REMARK   1  REF    J.MOL.BIOL.                   V. 208   511 1989              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : TNT                                                  
REMARK   3   AUTHORS     : TRONRUD,TEN EYCK,MATTHEWS                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 11.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  USING DATA ABOVE SIGMA CUTOFF.                                      
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE     (WORKING + TEST SET) : 0.167                           
REMARK   3   R VALUE            (WORKING SET) : NULL                            
REMARK   3   FREE R VALUE                     : NULL                            
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  USING ALL DATA, NO SIGMA CUTOFF.                                    
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2289                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 142                                     
REMARK   3                                                                      
REMARK   3  WILSON B VALUE (FROM FCALC, A**2) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.    RMS    WEIGHT  COUNT           
REMARK   3   BOND LENGTHS                 (A) : 0.018 ; NULL  ; NULL            
REMARK   3   BOND ANGLES            (DEGREES) : 2.970 ; NULL  ; NULL            
REMARK   3   TORSION ANGLES         (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   PSEUDOROTATION ANGLES  (DEGREES) : NULL  ; NULL  ; NULL            
REMARK   3   TRIGONAL CARBON PLANES       (A) : 0.018 ; NULL  ; NULL            
REMARK   3   GENERAL PLANES               (A) : 0.019 ; NULL  ; NULL            
REMARK   3   ISOTROPIC THERMAL FACTORS (A**2) : NULL  ; NULL  ; NULL            
REMARK   3   NON-BONDED CONTACTS          (A) : 0.086 ; NULL  ; NULL            
REMARK   3                                                                      
REMARK   3  INCORRECT CHIRAL-CENTERS (COUNT) : NULL                             
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  RESTRAINT LIBRARIES.                                                
REMARK   3   STEREOCHEMISTRY : NULL                                             
REMARK   3   ISOTROPIC THERMAL FACTOR RESTRAINTS : NULL                         
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1ACB COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL.                                
REMARK 100 THE DEPOSITION ID IS D_1000170648.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : NULL                               
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : NULL                               
REMARK 200  RADIATION SOURCE               : NULL                               
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : NULL                               
REMARK 200  WAVELENGTH OR RANGE        (A) : NULL                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : NULL                               
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : NULL                               
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : NULL                               
REMARK 200  RESOLUTION RANGE HIGH      (A) : NULL                               
REMARK 200  RESOLUTION RANGE LOW       (A) : NULL                               
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
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: NULL                                           
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   (%): 39.68                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.04                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,Y+1/2,-Z                                             
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000  1.000000  0.000000       29.70000            
REMARK 290   SMTRY3   2  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: 1540 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 13180 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -12.0 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 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 EGLIN C IS BOUND NON-COVALENTLY TO THE ACTIVE SITE OF THE            
REMARK 400 ENZYME.                                                              
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     SER E    14                                                      
REMARK 465     ARG E    15                                                      
REMARK 465     THR E   147                                                      
REMARK 465     ASN E   148                                                      
REMARK 465     THR I     1                                                      
REMARK 465     GLU I     2                                                      
REMARK 465     PHE I     3                                                      
REMARK 465     GLY I     4                                                      
REMARK 465     SER I     5                                                      
REMARK 465     GLU I     6                                                      
REMARK 465     LEU I     7                                                      
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   149                                                      
REMARK 475     ASN E   150                                                      
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     LEU E   13   O                                                   
REMARK 480     LYS E   36   CD   CE   NZ                                        
REMARK 480     SER E   77   CA   O    OG                                        
REMARK 480     LYS E   79   CG   CE   NZ                                        
REMARK 480     LYS E   87   CG   CD   CE   NZ                                   
REMARK 480     LYS E   93   CD   CE   NZ                                        
REMARK 480     GLN E  116   CG   CD   OE1                                       
REMARK 480     ARG E  145   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     ARG E  154   CD   NE   CZ   NH1  NH2                             
REMARK 480     LYS E  169   CG   CD   CE                                        
REMARK 480     LYS E  170   CD   CE   NZ                                        
REMARK 480     LYS E  203   CB   CG   CD   CE   NZ                              
REMARK 480     VAL E  227   CG1                                                 
REMARK 480     GLN E  239   OE1  NE2                                            
REMARK 480     LYS I    8   CB   CG   CD   CE   NZ                              
REMARK 480     HIS I   28   CB   CG   ND1  CD2  CE1  NE2                        
REMARK 480     TYR I   49   CG   CD2                                            
REMARK 480     ASN I   50   OD1  ND2                                            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   O    GLY E    19     OD1  ASN I    64     2646     1.78            
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    GLU E  20   CG  -  CD  -  OE1 ANGL. DEV. =  13.2 DEGREES          
REMARK 500    ASN E  48   CB  -  CA  -  C   ANGL. DEV. = -17.4 DEGREES          
REMARK 500    THR E 144   CA  -  CB  -  CG2 ANGL. DEV. = -10.3 DEGREES          
REMARK 500    TYR E 146   CB  -  CG  -  CD1 ANGL. DEV. =  -4.1 DEGREES          
REMARK 500    PRO E 152   C   -  N   -  CD  ANGL. DEV. = -17.2 DEGREES          
REMARK 500    LEU E 163   CB  -  CG  -  CD2 ANGL. DEV. = -10.7 DEGREES          
REMARK 500    GLY E 184   C   -  N   -  CA  ANGL. DEV. = -15.2 DEGREES          
REMARK 500    ARG E 230   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.1 DEGREES          
REMARK 500    TYR I  29   CB  -  CG  -  CD1 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ARG I  48   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    ASN I  64   N   -  CA  -  CB  ANGL. DEV. = -11.1 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    ASN E  48     -163.52   -166.81                                   
REMARK 500    PHE E  71      -53.57   -126.25                                   
REMARK 500    SER E 214      -71.87   -121.07                                   
REMARK 500    LEU I  45       39.71    -97.07                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    ARG I  53         0.11    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 700                                                                      
REMARK 700 SHEET                                                                
REMARK 700 THE SHEETS PRESENTED AS *CH1* AND *CH2* ON SHEET RECORDS             
REMARK 700 BELOW ARE ACTUALLY SIX-STRANDED BETA-BARRELS.  THIS IS               
REMARK 700 REPRESENTED BY SEVEN-STRANDED SHEETS IN WHICH THE FIRST AND          
REMARK 700 LAST STRANDS ARE IDENTICAL.                                          
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: CAT                                                 
REMARK 800 EVIDENCE_CODE: UNKNOWN                                               
REMARK 800 SITE_DESCRIPTION: NULL                                               
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 RESIDUES THR I 1, GLU I 2, PHE I 3, GLY I 4, SER I 5,                
REMARK 999 GLU I 6, AND LEU I 7 OF EGLIN C HAVE BEEN PROTEOLYTICALLY            
REMARK 999 CLEAVED BY THE ENZYME DURING CRYSTALLIZATION.                        
DBREF  1ACB E    1   245  UNP    P00766   CTRA_BOVIN       1    245             
DBREF  1ACB I    1    70  UNP    P01051   ICIC_HIRME       1     70             
SEQRES   1 E  245  CYS GLY VAL PRO ALA ILE GLN PRO VAL LEU SER GLY LEU          
SEQRES   2 E  245  SER ARG ILE VAL ASN GLY GLU GLU ALA VAL PRO GLY SER          
SEQRES   3 E  245  TRP PRO TRP GLN VAL SER LEU GLN ASP LYS THR GLY PHE          
SEQRES   4 E  245  HIS PHE CYS GLY GLY SER LEU ILE ASN GLU ASN TRP VAL          
SEQRES   5 E  245  VAL THR ALA ALA HIS CYS GLY VAL THR THR SER ASP VAL          
SEQRES   6 E  245  VAL VAL ALA GLY GLU PHE ASP GLN GLY SER SER SER GLU          
SEQRES   7 E  245  LYS ILE GLN LYS LEU LYS ILE ALA LYS VAL PHE LYS ASN          
SEQRES   8 E  245  SER LYS TYR ASN SER LEU THR ILE ASN ASN ASP ILE THR          
SEQRES   9 E  245  LEU LEU LYS LEU SER THR ALA ALA SER PHE SER GLN THR          
SEQRES  10 E  245  VAL SER ALA VAL CYS LEU PRO SER ALA SER ASP ASP PHE          
SEQRES  11 E  245  ALA ALA GLY THR THR CYS VAL THR THR GLY TRP GLY LEU          
SEQRES  12 E  245  THR ARG TYR THR ASN ALA ASN THR PRO ASP ARG LEU GLN          
SEQRES  13 E  245  GLN ALA SER LEU PRO LEU LEU SER ASN THR ASN CYS LYS          
SEQRES  14 E  245  LYS TYR TRP GLY THR LYS ILE LYS ASP ALA MET ILE CYS          
SEQRES  15 E  245  ALA GLY ALA SER GLY VAL SER SER CYS MET GLY ASP SER          
SEQRES  16 E  245  GLY GLY PRO LEU VAL CYS LYS LYS ASN GLY ALA TRP THR          
SEQRES  17 E  245  LEU VAL GLY ILE VAL SER TRP GLY SER SER THR CYS SER          
SEQRES  18 E  245  THR SER THR PRO GLY VAL TYR ALA ARG VAL THR ALA LEU          
SEQRES  19 E  245  VAL ASN TRP VAL GLN GLN THR LEU ALA ALA ASN                  
SEQRES   1 I   70  THR GLU PHE GLY SER GLU LEU LYS SER PHE PRO GLU VAL          
SEQRES   2 I   70  VAL GLY LYS THR VAL ASP GLN ALA ARG GLU TYR PHE THR          
SEQRES   3 I   70  LEU HIS TYR PRO GLN TYR ASP VAL TYR PHE LEU PRO GLU          
SEQRES   4 I   70  GLY SER PRO VAL THR LEU ASP LEU ARG TYR ASN ARG VAL          
SEQRES   5 I   70  ARG VAL PHE TYR ASN PRO GLY THR ASN VAL VAL ASN HIS          
SEQRES   6 I   70  VAL PRO HIS VAL GLY                                          
FORMUL   3  HOH   *142(H2 O)                                                    
HELIX    1  H1 ASN E  165  LYS E  169  1                                   5    
HELIX    2  H2 LEU E  234  ASN E  245  1                                  12    
HELIX    3  H3 VAL I   18  TYR I   29  1                                  12    
SHEET    1 CH1 7 TRP E  29  ASP E  35  0                                        
SHEET    2 CH1 7 PHE E  39  ASN E  48 -1  O  GLY E  44   N  VAL E  31           
SHEET    3 CH1 7 TRP E  51  THR E  54 -1  O  VAL E  53   N  SER E  45           
SHEET    4 CH1 7 ILE E 103  LEU E 108 -1  N  LEU E 106   O  VAL E  52           
SHEET    5 CH1 7 GLN E  81  ASN E  91 -1  N  ALA E  86   O  LYS E 107           
SHEET    6 CH1 7 VAL E  65  ALA E  68 -1  N  VAL E  66   O  LEU E  83           
SHEET    7 CH1 7 TRP E  29  ASP E  35 -1  O  GLN E  34   N  VAL E  65           
SHEET    1 CH2 7 THR E 134  GLY E 140  0                                        
SHEET    2 CH2 7 GLN E 156  LEU E 163 -1  N  LEU E 160   O  CYS E 136           
SHEET    3 CH2 7 ALA E 179  GLY E 184 -1  N  GLY E 184   O  PRO E 161           
SHEET    4 CH2 7 GLY E 226  VAL E 231 -1  O  GLY E 226   N  ALA E 183           
SHEET    5 CH2 7 ALA E 206  TRP E 215 -1  O  ILE E 212   N  ALA E 229           
SHEET    6 CH2 7 GLY E 197  LYS E 203 -1  O  LEU E 199   N  VAL E 210           
SHEET    7 CH2 7 THR E 134  GLY E 140 -1  O  VAL E 137   N  VAL E 200           
SHEET    1 EG1 4 LYS I   8  PHE I  10  0                                        
SHEET    2 EG1 4 HIS I  65  GLY I  70 -1  N  VAL I  69   O  LYS I   8           
SHEET    3 EG1 4 ARG I  51  TYR I  56 -1  O  ARG I  51   N  GLY I  70           
SHEET    4 EG1 4 ASP I  33  LEU I  37  1  O  ASP I  33   N  VAL I  52           
SSBOND   1 CYS E    1    CYS E  122                          1555   1555  1.98  
SSBOND   2 CYS E   42    CYS E   58                          1555   1555  2.02  
SSBOND   3 CYS E  136    CYS E  201                          1555   1555  2.07  
SSBOND   4 CYS E  168    CYS E  182                          1555   1555  2.02  
SSBOND   5 CYS E  191    CYS E  220                          1555   1555  2.03  
SITE     1 CAT  4 HIS E  57  ASP E 102  SER E 195  LEU I  45                    
CRYST1   55.300   59.400   42.500  90.00  99.10  90.00 P 1 21 1      2          
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      0.018083  0.000000  0.002896        0.00000                         
SCALE2      0.000000  0.016835  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.023829        0.00000