HEADER    PROTEINASE INHIBITOR(CYSTEINE)          21-APR-93   1CEW              
TITLE     THE 2.0 ANGSTROMS X-RAY CRYSTAL STRUCTURE OF CHICKEN EGG WHITE        
TITLE    2 CYSTATIN AND ITS POSSIBLE MODE OF INTERACTION WITH CYSTEINE          
TITLE    3 PROTEINASES                                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: CYSTATIN;                                                  
COMPND   3 CHAIN: I;                                                            
COMPND   4 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: GALLUS GALLUS;                                  
SOURCE   3 ORGANISM_COMMON: CHICKEN;                                            
SOURCE   4 ORGANISM_TAXID: 9031;                                                
SOURCE   5 ORGAN: EGG                                                           
KEYWDS    PROTEINASE INHIBITOR(CYSTEINE)                                        
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    W.BODE,D.MUSIL,R.HUBER                                                
REVDAT   6   16-OCT-24 1CEW    1       REMARK                                   
REVDAT   5   05-JUN-24 1CEW    1       REMARK                                   
REVDAT   4   07-SEP-11 1CEW    1       HETATM VERSN                             
REVDAT   3   24-FEB-09 1CEW    1       VERSN                                    
REVDAT   2   01-APR-03 1CEW    1       JRNL                                     
REVDAT   1   31-JAN-94 1CEW    0                                                
JRNL        AUTH   W.BODE,R.ENGH,D.MUSIL,U.THIELE,R.HUBER,A.KARSHIKOV,J.BRZIN,  
JRNL        AUTH 2 J.KOS,V.TURK                                                 
JRNL        TITL   THE 2.0 A X-RAY CRYSTAL STRUCTURE OF CHICKEN EGG WHITE       
JRNL        TITL 2 CYSTATIN AND ITS POSSIBLE MODE OF INTERACTION WITH CYSTEINE  
JRNL        TITL 3 PROTEINASES.                                                 
JRNL        REF    EMBO J.                       V.   7  2593 1988              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   3191914                                                      
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   R.A.ENGH,T.DIECKMANN,W.BODE,E.A.AUERSWALD,V.TURK,R.HUBER,    
REMARK   1  AUTH 2 H.OSCHKINAT                                                  
REMARK   1  TITL   CONFORMATIONAL VARIABILITY OF CHICKEN CYSTATIN: COMPARISON   
REMARK   1  TITL 2 OF STRUCTURES DETERMINED BY X-RAY DIFFRACTION AND            
REMARK   1  TITL 3 NMR-SPECTROSCOPY                                             
REMARK   1  REF    J.MOL.BIOL.                   V. 234  1060 1993              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 2                                                          
REMARK   1  AUTH   T.DIECKMANN,L.MITSCHANG,M.HOFMANN,J.KOS,V.TURK,              
REMARK   1  AUTH 2 E.A.AUERSWALD,R.JAENICKE,H.OSCHKINAT                         
REMARK   1  TITL   THE STRUCTURES OF NATIVE PHOSPHORYLATED CHICKEN CYSTATIN AND 
REMARK   1  TITL 2 OF A RECOMBINANT UNPHOSPHORYLATED VARIANT IN SOLUTION        
REMARK   1  REF    J.MOL.BIOL.                   V. 234  1048 1993              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1 REFERENCE 3                                                          
REMARK   1  AUTH   V.TURK,W.BODE                                                
REMARK   1  TITL   THE CYSTATINS: PROTEIN INHIBITORS OF CYSTEINE PROTEINASES    
REMARK   1  REF    FEBS LETT.                    V. 285   213 1991              
REMARK   1  REFN                   ISSN 0014-5793                               
REMARK   1 REFERENCE 4                                                          
REMARK   1  AUTH   W.BODE,R.ENGH,D.MUSIL,B.LABER,M.STUBBS,R.HUBER,V.TURK        
REMARK   1  TITL   MECHANISM OF INTERACTION OF CYSTEINE PROTEINASES AND THEIR   
REMARK   1  TITL 2 PROTEIN INHIBITORS AS COMPARED TO THE SERINE                 
REMARK   1  TITL 3 PROTEINASE-INHIBITOR INTERACTION                             
REMARK   1  REF    BIOL.CHEM.HOPPE-SEYLER        V. 371   111 1990              
REMARK   1  REFN                   ISSN 0177-3593                               
REMARK   1 REFERENCE 5                                                          
REMARK   1  AUTH   W.MACHLEIDT,U.THIELE,B.LABER,I.ASSFALG-MACHLEIDT,A.ESTERL,   
REMARK   1  AUTH 2 G.WIEGAND,J.KOS,V.TURK,W.BODE                                
REMARK   1  TITL   MECHANISM OF INHIBITION OF PAPAIN BY CHICKEN EGG WHITE       
REMARK   1  TITL 2 CYSTATIN: INHIBITION CONSTANTS OF N-TERMINALLY TRUNCATED     
REMARK   1  TITL 3 FORMS AND CYANOGEN BROMIDE FRAGMENTS OF THE INHIBITOR        
REMARK   1  REF    FEBS LETT.                    V. 243   234 1989              
REMARK   1  REFN                   ISSN 0014-5793                               
REMARK   1 REFERENCE 6                                                          
REMARK   1  AUTH   B.LABER,K.KRIEGLSTEIN,A.HENSCHEN,J.KOS,V.TURK,R.HUBER,W.BODE 
REMARK   1  TITL   THE CYSTEINE PROTEINASE INHIBITOR CHICKEN CYSTATIN IS A      
REMARK   1  TITL 2 PHOPHOPROTEIN                                                
REMARK   1  REF    FEBS LETT.                    V. 248   162 1989              
REMARK   1  REFN                   ISSN 0014-5793                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : EREF                                                 
REMARK   3   AUTHORS     : JACK,LEVITT                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : NULL                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : NULL                           
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : NULL                            
REMARK   3   FREE R VALUE TEST SET SELECTION  : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.198                           
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   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            : 854                                     
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 123                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
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) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
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) : NULL                            
REMARK   3   BOND ANGLES            (DEGREES) : NULL                            
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 1CEW 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_1000172284.                                   
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   (%): 48.17                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.37                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: NULL                                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+1/3                                            
REMARK 290       3555   -X+Y,-X,Z+2/3                                           
REMARK 290       4555   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+2/3                                           
REMARK 290       6555   -X,-X+Y,-Z+1/3                                          
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 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       29.16667            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       58.33333            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       58.33333            
REMARK 290   SMTRY1   6 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000       29.16667            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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     GLU I    86                                                      
REMARK 475     PRO I    87                                                      
REMARK 475     GLU I    88                                                      
REMARK 475     MET I    89                                                      
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     GLY I    9   N                                                   
REMARK 480     LYS I   39   NZ                                                  
REMARK 480     SER I   74   OG                                                  
REMARK 480     ALA I   90   N    O    CB                                        
REMARK 480     LYS I   91   CB   CG   CD   CE   NZ                              
REMARK 480     LYS I  114   NZ                                                  
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    HOH I  1103     O    HOH I  1104     5674     0.63            
REMARK 500   OD2  ASP I    15     NZ   LYS I    91     2665     1.37            
REMARK 500   OG   SER I    74     O    HOH I  1020     3674     1.52            
REMARK 500   O    HOH I  1102     O    HOH I  1102     5674     1.54            
REMARK 500   CE   LYS I    91     O    HOH I  1090     3564     1.56            
REMARK 500   NZ   LYS I    91     O    HOH I  1090     3564     2.05            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
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    MET I  89   N     MET I  89   CA      0.145                       
REMARK 500    TRP I 104   NE1   TRP I 104   CE2    -0.101                       
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    ARG I  23   NE  -  CZ  -  NH2 ANGL. DEV. =  -5.2 DEGREES          
REMARK 500    ARG I  34   CB  -  CA  -  C   ANGL. DEV. = -16.1 DEGREES          
REMARK 500    ASP I  38   CB  -  CG  -  OD1 ANGL. DEV. =   7.5 DEGREES          
REMARK 500    ARG I  43   NE  -  CZ  -  NH2 ANGL. DEV. =  -7.2 DEGREES          
REMARK 500    VAL I  47   CG1 -  CB  -  CG2 ANGL. DEV. =  -9.8 DEGREES          
REMARK 500    ARG I  52   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.2 DEGREES          
REMARK 500    GLU I  65   CB  -  CA  -  C   ANGL. DEV. = -13.6 DEGREES          
REMARK 500    THR I  69   CA  -  CB  -  CG2 ANGL. DEV. =   9.7 DEGREES          
REMARK 500    ASP I  77   N   -  CA  -  CB  ANGL. DEV. = -11.3 DEGREES          
REMARK 500    ASP I  77   CB  -  CG  -  OD1 ANGL. DEV. =   7.0 DEGREES          
REMARK 500    HIS I  84   CA  -  CB  -  CG  ANGL. DEV. = -13.6 DEGREES          
REMARK 500    GLU I  88   N   -  CA  -  CB  ANGL. DEV. = -14.9 DEGREES          
REMARK 500    GLU I  88   O   -  C   -  N   ANGL. DEV. = -10.1 DEGREES          
REMARK 500    MET I  89   N   -  CA  -  CB  ANGL. DEV. =  14.0 DEGREES          
REMARK 500    MET I  89   CA  -  CB  -  CG  ANGL. DEV. =  10.3 DEGREES          
REMARK 500    GLN I 107   CB  -  CG  -  CD  ANGL. DEV. = -16.8 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    ALA I  10      152.81    179.32                                   
REMARK 500    ASN I  37       48.64   -104.09                                   
REMARK 500    ARG I  46      136.72   -179.92                                   
REMARK 500    SER I  56      -56.07   -176.69                                   
REMARK 500    LYS I  73       -1.88    -54.32                                   
REMARK 500    GLU I  86      -82.54     29.75                                   
REMARK 500    GLU I  88     -177.03   -175.61                                   
REMARK 500    MET I  89     -172.59    116.29                                   
REMARK 500    ALA I  90     -116.25    -36.98                                   
REMARK 500    ILE I 102       74.93   -114.08                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 GLU I   88     MET I   89                  121.89                    
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    TYR I  32         0.06    SIDE CHAIN                              
REMARK 500    ARG I  43         0.11    SIDE CHAIN                              
REMARK 500    TYR I 100         0.10    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: MAIN CHAIN PLANARITY                                       
REMARK 500                                                                      
REMARK 500 THE FOLLOWING RESIDUES HAVE A PSEUDO PLANARITY                       
REMARK 500 TORSION ANGLE, C(I) - CA(I) - N(I+1) - O(I), GREATER                 
REMARK 500 10.0 DEGREES. (M=MODEL NUMBER; RES=RESIDUE NAME;                     
REMARK 500 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;                            
REMARK 500 I=INSERTION CODE).                                                   
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        ANGLE                                           
REMARK 500    GLY I   9         12.61                                           
REMARK 500    VAL I  12         12.46                                           
REMARK 500    GLU I  16         12.75                                           
REMARK 500    GLN I  26         10.94                                           
REMARK 500    ASN I  33        -12.14                                           
REMARK 500    ARG I  34         19.87                                           
REMARK 500    ASN I  37        -10.86                                           
REMARK 500    TYR I  40        -15.78                                           
REMARK 500    VAL I  47         11.12                                           
REMARK 500    ALA I  50         11.60                                           
REMARK 500    LYS I  51        -10.69                                           
REMARK 500    SER I  56        -13.87                                           
REMARK 500    ILE I  58         10.80                                           
REMARK 500    GLN I  63         10.24                                           
REMARK 500    THR I  70         10.59                                           
REMARK 500    SER I  74         10.15                                           
REMARK 500    ASP I  85        -14.98                                           
REMARK 500    GLU I  88         22.92                                           
REMARK 500    ALA I  90         12.86                                           
REMARK 500    SER I 101         12.41                                           
REMARK 500    PRO I 103        -10.36                                           
REMARK 500    GLN I 107         12.86                                           
REMARK 500    ILE I 108         17.96                                           
REMARK 500    LYS I 109         11.06                                           
REMARK 500    LEU I 110         16.43                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1CEW I    9   116  UNP    P01038   CYT_CHICK       32    139             
SEQRES   1 I  108  GLY ALA PRO VAL PRO VAL ASP GLU ASN ASP GLU GLY LEU          
SEQRES   2 I  108  GLN ARG ALA LEU GLN PHE ALA MET ALA GLU TYR ASN ARG          
SEQRES   3 I  108  ALA SER ASN ASP LYS TYR SER SER ARG VAL VAL ARG VAL          
SEQRES   4 I  108  ILE SER ALA LYS ARG GLN LEU VAL SER GLY ILE LYS TYR          
SEQRES   5 I  108  ILE LEU GLN VAL GLU ILE GLY ARG THR THR CYS PRO LYS          
SEQRES   6 I  108  SER SER GLY ASP LEU GLN SER CYS GLU PHE HIS ASP GLU          
SEQRES   7 I  108  PRO GLU MET ALA LYS TYR THR THR CYS THR PHE VAL VAL          
SEQRES   8 I  108  TYR SER ILE PRO TRP LEU ASN GLN ILE LYS LEU LEU GLU          
SEQRES   9 I  108  SER LYS CYS GLN                                              
FORMUL   2  HOH   *123(H2 O)                                                    
HELIX    1   1 ASP I   18  MET I   29  1                                  12    
HELIX    2   2 MET I   29  ARG I   34  1                                   6    
HELIX    3   3 ASP I   77  GLU I   86  1                                  10    
SHEET    1   A 5 VAL I  12  PRO I  13  0                                        
SHEET    2   A 5 TYR I  40  LEU I  54 -1  N  ARG I  52   O  VAL I  12           
SHEET    3   A 5 ILE I  58  PRO I  72 -1  N  LYS I  59   O  GLN I  53           
SHEET    4   A 5 TYR I  92  ILE I 102 -1  O  THR I  93   N  ILE I  66           
SHEET    5   A 5 GLN I 107  CYS I 115 -1  O  GLN I 107   N  ILE I 102           
SSBOND   1 CYS I   71    CYS I   81                          1555   1555  2.02  
SSBOND   2 CYS I   95    CYS I  115                          1555   1555  2.03  
CRYST1   47.900   47.900   87.500  90.00  90.00 120.00 P 31 2 1      6          
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      0.020877  0.012053  0.000000        0.00000                         
SCALE2      0.000000  0.024106  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.011429        0.00000