GenomeNet

Database: PDB
Entry: 1EJR
LinkDB: 1EJR
Original site: 1EJR 
HEADER    HYDROLASE                               04-MAR-00   1EJR              
TITLE     CRYSTAL STRUCTURE OF THE D221A VARIANT OF KLEBSIELLA AEROGENES UREASE 
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: UREASE ALPHA SUBUNIT;                                      
COMPND   3 CHAIN: C;                                                            
COMPND   4 EC: 3.5.1.5;                                                         
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: UREASE BETA SUBUNIT;                                       
COMPND   9 CHAIN: B;                                                            
COMPND  10 EC: 3.5.1.5;                                                         
COMPND  11 ENGINEERED: YES;                                                     
COMPND  12 MOL_ID: 3;                                                           
COMPND  13 MOLECULE: UREASE GAMMA SUBUNIT;                                      
COMPND  14 CHAIN: A;                                                            
COMPND  15 EC: 3.5.1.5;                                                         
COMPND  16 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: KLEBSIELLA AEROGENES;                           
SOURCE   3 ORGANISM_TAXID: 28451;                                               
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   6 MOL_ID: 2;                                                           
SOURCE   7 ORGANISM_SCIENTIFIC: KLEBSIELLA AEROGENES;                           
SOURCE   8 ORGANISM_TAXID: 28451;                                               
SOURCE   9 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  10 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE  11 MOL_ID: 3;                                                           
SOURCE  12 ORGANISM_SCIENTIFIC: KLEBSIELLA AEROGENES;                           
SOURCE  13 ORGANISM_TAXID: 28451;                                               
SOURCE  14 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE  15 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ALPHA-BETA BARREL, NICKEL METALLOENZYME, HYDROLASE                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.A.PEARSON,I.S.PARK,R.A.SCHALLER,L.O.MICHEL,P.A.KARPLUS,             
AUTHOR   2 R.P.HAUSINGER                                                        
REVDAT   5   03-NOV-21 1EJR    1       REMARK SEQADV LINK                       
REVDAT   4   04-OCT-17 1EJR    1       REMARK                                   
REVDAT   3   13-JUL-11 1EJR    1       VERSN                                    
REVDAT   2   24-FEB-09 1EJR    1       VERSN                                    
REVDAT   1   08-SEP-00 1EJR    0                                                
JRNL        AUTH   M.A.PEARSON,I.S.PARK,R.A.SCHALLER,L.O.MICHEL,P.A.KARPLUS,    
JRNL        AUTH 2 R.P.HAUSINGER                                                
JRNL        TITL   KINETIC AND STRUCTURAL CHARACTERIZATION OF UREASE ACTIVE     
JRNL        TITL 2 SITE VARIANTS.                                               
JRNL        REF    BIOCHEMISTRY                  V.  39  8575 2000              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10913264                                                     
JRNL        DOI    10.1021/BI000613O                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : X-PLOR 3.1                                           
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
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)   (%) : 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) : 0.161                           
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            : 5686                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 405                                     
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 1EJR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 11-MAR-00.                  
REMARK 100 THE DEPOSITION ID IS D_1000010649.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL; NULL                         
REMARK 200  TEMPERATURE           (KELVIN) : 298; 298                           
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 2                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N; N                               
REMARK 200  RADIATION SOURCE               : ROTATING ANODE; ROTATING ANODE     
REMARK 200  BEAMLINE                       : NULL; NULL                         
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; NULL                            
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418; 1.5418                     
REMARK 200  MONOCHROMATOR                  : NULL; NULL                         
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE; IMAGE PLATE           
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV; RIGAKU RAXIS IV   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : R-AXIS                             
REMARK 200  DATA SCALING SOFTWARE          : NULL                               
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 55503                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 100.000                            
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 10.80                              
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) : 2.00                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 10.60                              
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; 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   (%): 50.87                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: LITHIUM SULFATE, HEPES, EDTA, PH 7.5,    
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K. LITHIUM SULFATE,   
REMARK 280  HEPES, EDTA, FORMATE, PH 7.5, VAPOR DIFFUSION, HANGING DROP,        
REMARK 280  TEMPERATURE 298K                                                    
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 21 3                           
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       5555   Z,X,Y                                                   
REMARK 290       6555   Z+1/2,-X+1/2,-Y                                         
REMARK 290       7555   -Z+1/2,-X,Y+1/2                                         
REMARK 290       8555   -Z,X+1/2,-Y+1/2                                         
REMARK 290       9555   Y,Z,X                                                   
REMARK 290      10555   -Y,Z+1/2,-X+1/2                                         
REMARK 290      11555   Y+1/2,-Z+1/2,-X                                         
REMARK 290      12555   -Y+1/2,-Z,X+1/2                                         
REMARK 290      13555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290      14555   -X,-Y+1/2,Z                                             
REMARK 290      15555   -X+1/2,Y,-Z                                             
REMARK 290      16555   X,-Y,-Z+1/2                                             
REMARK 290      17555   Z+1/2,X+1/2,Y+1/2                                       
REMARK 290      18555   Z,-X,-Y+1/2                                             
REMARK 290      19555   -Z,-X+1/2,Y                                             
REMARK 290      20555   -Z+1/2,X,-Y                                             
REMARK 290      21555   Y+1/2,Z+1/2,X+1/2                                       
REMARK 290      22555   -Y+1/2,Z,-X                                             
REMARK 290      23555   Y,-Z,-X+1/2                                             
REMARK 290      24555   -Y,-Z+1/2,X                                             
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       85.30000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       85.30000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       85.30000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       85.30000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       85.30000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY2   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   6  0.000000  0.000000  1.000000       85.30000            
REMARK 290   SMTRY2   6 -1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY3   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  0.000000 -1.000000       85.30000            
REMARK 290   SMTRY2   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  1.000000  0.000000       85.30000            
REMARK 290   SMTRY1   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2   8  1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY3   8  0.000000 -1.000000  0.000000       85.30000            
REMARK 290   SMTRY1   9  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   9  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY3   9  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  10  0.000000  0.000000  1.000000       85.30000            
REMARK 290   SMTRY3  10 -1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY1  11  0.000000  1.000000  0.000000       85.30000            
REMARK 290   SMTRY2  11  0.000000  0.000000 -1.000000       85.30000            
REMARK 290   SMTRY3  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  12  0.000000 -1.000000  0.000000       85.30000            
REMARK 290   SMTRY2  12  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  12  1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       85.30000            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000       85.30000            
REMARK 290   SMTRY1  14 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       85.30000            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  15 -1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY2  15  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  16  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  16  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       85.30000            
REMARK 290   SMTRY1  17  0.000000  0.000000  1.000000       85.30000            
REMARK 290   SMTRY2  17  1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY3  17  0.000000  1.000000  0.000000       85.30000            
REMARK 290   SMTRY1  18  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY2  18 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  18  0.000000 -1.000000  0.000000       85.30000            
REMARK 290   SMTRY1  19  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY2  19 -1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY3  19  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY1  20  0.000000  0.000000 -1.000000       85.30000            
REMARK 290   SMTRY2  20  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3  20  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY1  21  0.000000  1.000000  0.000000       85.30000            
REMARK 290   SMTRY2  21  0.000000  0.000000  1.000000       85.30000            
REMARK 290   SMTRY3  21  1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY1  22  0.000000 -1.000000  0.000000       85.30000            
REMARK 290   SMTRY2  22  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY3  22 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY1  23  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  23  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY3  23 -1.000000  0.000000  0.000000       85.30000            
REMARK 290   SMTRY1  24  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2  24  0.000000  0.000000 -1.000000       85.30000            
REMARK 290   SMTRY3  24  1.000000  0.000000  0.000000        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: NONAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: NONAMERIC                  
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 46320 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 55720 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -311.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, B, A                               
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT2   2  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT3   3  1.000000  0.000000  0.000000        0.00000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET C  1001                                                      
REMARK 465     VAL C  1318                                                      
REMARK 465     CYS C  1319                                                      
REMARK 465     HIS C  1320                                                      
REMARK 465     HIS C  1321                                                      
REMARK 465     LEU C  1322                                                      
REMARK 465     ASP C  1323                                                      
REMARK 465     PRO C  1324                                                      
REMARK 465     ASP C  1325                                                      
REMARK 465     ILE C  1326                                                      
REMARK 465     ALA C  1327                                                      
REMARK 465     GLU C  1328                                                      
REMARK 465     ASP C  1329                                                      
REMARK 465     VAL C  1330                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   O    HOH C   501     O    HOH C   502              2.00            
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    LEU C1316   CA  -  CB  -  CG  ANGL. DEV. = -15.6 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 C1024     -135.62     52.88                                   
REMARK 500    MET C1055     -110.70   -101.51                                   
REMARK 500    PRO C1188       23.41    -77.75                                   
REMARK 500    ASP C1248       91.34    -68.39                                   
REMARK 500    HIS C1272       62.94     28.57                                   
REMARK 500    HIS C1280      116.47    -39.82                                   
REMARK 500    SER C1359      -63.17    -97.20                                   
REMARK 500    ASP C1360       49.47     84.78                                   
REMARK 500    ALA C1363       53.66   -145.24                                   
REMARK 500    MET C1364       51.75     81.05                                   
REMARK 500    THR C1408      -87.70   -123.01                                   
REMARK 500    ASP C1460      118.63    -38.75                                   
REMARK 500    ALA C1561     -110.57   -129.50                                   
REMARK 500    ALA B2085     -148.53   -121.67                                   
REMARK 500    PHE B2093     -125.35     58.30                                   
REMARK 500    VAL B2097      -71.51   -104.04                                   
REMARK 500    ASN A3097       62.14     38.11                                   
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                              NI C4774  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH C 500   O                                                      
REMARK 620 2 HOH C 501   O    64.2                                              
REMARK 620 3 KCX C1217   OQ1 101.8 109.4                                        
REMARK 620 4 HIS C1246   ND1 151.2  89.8  98.4                                  
REMARK 620 5 HIS C1272   NE2  96.6 139.6 109.3  95.9                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              NI C4775  NI                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH C 500   O                                                      
REMARK 620 2 HOH C 502   O    58.5                                              
REMARK 620 3 HIS C1134   NE2  97.8 154.8                                        
REMARK 620 4 HIS C1136   NE2 147.5  89.1 113.9                                  
REMARK 620 5 KCX C1217   OQ2  96.0 101.9  88.3  92.0                            
REMARK 620 6 ASP C1360   OD1  92.4  86.7  85.6  83.5 170.3                      
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 NI C 4774                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NI C 4775                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1EJS   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1EJT   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1EJU   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1EJV   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1EJW   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1EJX   RELATED DB: PDB                                   
DBREF  1EJR C 1001  1567  UNP    P18314   URE1_KLEAE       1    567             
DBREF  1EJR B 2001  2101  UNP    P18315   URE2_KLEAE       1    101             
DBREF  1EJR A 3001  3100  UNP    P18316   URE3_KLEAE       1    100             
SEQADV 1EJR KCX C 1217  UNP  P18314    LYS   217 MODIFIED RESIDUE               
SEQADV 1EJR ALA C 1221  UNP  P18314    ASP   221 ENGINEERED MUTATION            
SEQRES   1 C  567  MET SER ASN ILE SER ARG GLN ALA TYR ALA ASP MET PHE          
SEQRES   2 C  567  GLY PRO THR VAL GLY ASP LYS VAL ARG LEU ALA ASP THR          
SEQRES   3 C  567  GLU LEU TRP ILE GLU VAL GLU ASP ASP LEU THR THR TYR          
SEQRES   4 C  567  GLY GLU GLU VAL LYS PHE GLY GLY GLY LYS VAL ILE ARG          
SEQRES   5 C  567  ASP GLY MET GLY GLN GLY GLN MET LEU ALA ALA ASP CYS          
SEQRES   6 C  567  VAL ASP LEU VAL LEU THR ASN ALA LEU ILE VAL ASP HIS          
SEQRES   7 C  567  TRP GLY ILE VAL LYS ALA ASP ILE GLY VAL LYS ASP GLY          
SEQRES   8 C  567  ARG ILE PHE ALA ILE GLY LYS ALA GLY ASN PRO ASP ILE          
SEQRES   9 C  567  GLN PRO ASN VAL THR ILE PRO ILE GLY ALA ALA THR GLU          
SEQRES  10 C  567  VAL ILE ALA ALA GLU GLY LYS ILE VAL THR ALA GLY GLY          
SEQRES  11 C  567  ILE ASP THR HIS ILE HIS TRP ILE CYS PRO GLN GLN ALA          
SEQRES  12 C  567  GLU GLU ALA LEU VAL SER GLY VAL THR THR MET VAL GLY          
SEQRES  13 C  567  GLY GLY THR GLY PRO ALA ALA GLY THR HIS ALA THR THR          
SEQRES  14 C  567  CYS THR PRO GLY PRO TRP TYR ILE SER ARG MET LEU GLN          
SEQRES  15 C  567  ALA ALA ASP SER LEU PRO VAL ASN ILE GLY LEU LEU GLY          
SEQRES  16 C  567  LYS GLY ASN VAL SER GLN PRO ASP ALA LEU ARG GLU GLN          
SEQRES  17 C  567  VAL ALA ALA GLY VAL ILE GLY LEU KCX ILE HIS GLU ALA          
SEQRES  18 C  567  TRP GLY ALA THR PRO ALA ALA ILE ASP CYS ALA LEU THR          
SEQRES  19 C  567  VAL ALA ASP GLU MET ASP ILE GLN VAL ALA LEU HIS SER          
SEQRES  20 C  567  ASP THR LEU ASN GLU SER GLY PHE VAL GLU ASP THR LEU          
SEQRES  21 C  567  ALA ALA ILE GLY GLY ARG THR ILE HIS THR PHE HIS THR          
SEQRES  22 C  567  GLU GLY ALA GLY GLY GLY HIS ALA PRO ASP ILE ILE THR          
SEQRES  23 C  567  ALA CYS ALA HIS PRO ASN ILE LEU PRO SER SER THR ASN          
SEQRES  24 C  567  PRO THR LEU PRO TYR THR LEU ASN THR ILE ASP GLU HIS          
SEQRES  25 C  567  LEU ASP MET LEU MET VAL CYS HIS HIS LEU ASP PRO ASP          
SEQRES  26 C  567  ILE ALA GLU ASP VAL ALA PHE ALA GLU SER ARG ILE ARG          
SEQRES  27 C  567  ARG GLU THR ILE ALA ALA GLU ASP VAL LEU HIS ASP LEU          
SEQRES  28 C  567  GLY ALA PHE SER LEU THR SER SER ASP SER GLN ALA MET          
SEQRES  29 C  567  GLY ARG VAL GLY GLU VAL ILE LEU ARG THR TRP GLN VAL          
SEQRES  30 C  567  ALA HIS ARG MET LYS VAL GLN ARG GLY ALA LEU ALA GLU          
SEQRES  31 C  567  GLU THR GLY ASP ASN ASP ASN PHE ARG VAL LYS ARG TYR          
SEQRES  32 C  567  ILE ALA LYS TYR THR ILE ASN PRO ALA LEU THR HIS GLY          
SEQRES  33 C  567  ILE ALA HIS GLU VAL GLY SER ILE GLU VAL GLY LYS LEU          
SEQRES  34 C  567  ALA ASP LEU VAL VAL TRP SER PRO ALA PHE PHE GLY VAL          
SEQRES  35 C  567  LYS PRO ALA THR VAL ILE LYS GLY GLY MET ILE ALA ILE          
SEQRES  36 C  567  ALA PRO MET GLY ASP ILE ASN ALA SER ILE PRO THR PRO          
SEQRES  37 C  567  GLN PRO VAL HIS TYR ARG PRO MET PHE GLY ALA LEU GLY          
SEQRES  38 C  567  SER ALA ARG HIS HIS CYS ARG LEU THR PHE LEU SER GLN          
SEQRES  39 C  567  ALA ALA ALA ALA ASN GLY VAL ALA GLU ARG LEU ASN LEU          
SEQRES  40 C  567  ARG SER ALA ILE ALA VAL VAL LYS GLY CYS ARG THR VAL          
SEQRES  41 C  567  GLN LYS ALA ASP MET VAL HIS ASN SER LEU GLN PRO ASN          
SEQRES  42 C  567  ILE THR VAL ASP ALA GLN THR TYR GLU VAL ARG VAL ASP          
SEQRES  43 C  567  GLY GLU LEU ILE THR SER GLU PRO ALA ASP VAL LEU PRO          
SEQRES  44 C  567  MET ALA GLN ARG TYR PHE LEU PHE                              
SEQRES   1 B  101  MET ILE PRO GLY GLU TYR HIS VAL LYS PRO GLY GLN ILE          
SEQRES   2 B  101  ALA LEU ASN THR GLY ARG ALA THR CYS ARG VAL VAL VAL          
SEQRES   3 B  101  GLU ASN HIS GLY ASP ARG PRO ILE GLN VAL GLY SER HIS          
SEQRES   4 B  101  TYR HIS PHE ALA GLU VAL ASN PRO ALA LEU LYS PHE ASP          
SEQRES   5 B  101  ARG GLN GLN ALA ALA GLY TYR ARG LEU ASN ILE PRO ALA          
SEQRES   6 B  101  GLY THR ALA VAL ARG PHE GLU PRO GLY GLN LYS ARG GLU          
SEQRES   7 B  101  VAL GLU LEU VAL ALA PHE ALA GLY HIS ARG ALA VAL PHE          
SEQRES   8 B  101  GLY PHE ARG GLY GLU VAL MET GLY PRO LEU                      
SEQRES   1 A  100  MET GLU LEU THR PRO ARG GLU LYS ASP LYS LEU LEU LEU          
SEQRES   2 A  100  PHE THR ALA ALA LEU VAL ALA GLU ARG ARG LEU ALA ARG          
SEQRES   3 A  100  GLY LEU LYS LEU ASN TYR PRO GLU SER VAL ALA LEU ILE          
SEQRES   4 A  100  SER ALA PHE ILE MET GLU GLY ALA ARG ASP GLY LYS SER          
SEQRES   5 A  100  VAL ALA SER LEU MET GLU GLU GLY ARG HIS VAL LEU THR          
SEQRES   6 A  100  ARG GLU GLN VAL MET GLU GLY VAL PRO GLU MET ILE PRO          
SEQRES   7 A  100  ASP ILE GLN VAL GLU ALA THR PHE PRO ASP GLY SER LYS          
SEQRES   8 A  100  LEU VAL THR VAL HIS ASN PRO ILE ILE                          
MODRES 1EJR KCX C 1217  LYS  LYSINE NZ-CARBOXYLIC ACID                          
HET    KCX  C1217      12                                                       
HET     NI  C4774       1                                                       
HET     NI  C4775       1                                                       
HETNAM     KCX LYSINE NZ-CARBOXYLIC ACID                                        
HETNAM      NI NICKEL (II) ION                                                  
FORMUL   1  KCX    C7 H14 N2 O4                                                 
FORMUL   4   NI    2(NI 2+)                                                     
FORMUL   6  HOH   *405(H2 O)                                                    
HELIX    1   1 ARG C 1006  GLY C 1014  1                                   9    
HELIX    2   2 LEU C 1061  CYS C 1065  5                                   5    
HELIX    3   3 GLN C 1141  GLY C 1150  1                                  10    
HELIX    4   4 ALA C 1162  THR C 1168  1                                   7    
HELIX    5   5 PRO C 1172  ASP C 1185  1                                  14    
HELIX    6   6 GLN C 1201  GLY C 1212  1                                  12    
HELIX    7   7 ALA C 1221  GLY C 1223  5                                   3    
HELIX    8   8 THR C 1225  ASP C 1240  1                                  16    
HELIX    9   9 PHE C 1255  GLY C 1264  1                                  10    
HELIX   10  10 ASP C 1283  HIS C 1290  5                                   8    
HELIX   11  11 PRO C 1300  LEU C 1302  5                                   3    
HELIX   12  12 ASN C 1307  MET C 1317  1                                  11    
HELIX   13  13 PHE C 1332  ILE C 1337  1                                   6    
HELIX   14  14 ARG C 1338  LEU C 1351  1                                  14    
HELIX   15  15 GLU C 1369  GLY C 1386  1                                  18    
HELIX   16  16 ASP C 1396  LYS C 1406  1                                  11    
HELIX   17  17 THR C 1408  HIS C 1415  1                                   8    
HELIX   18  18 SER C 1436  PHE C 1440  5                                   5    
HELIX   19  19 PHE C 1477  ALA C 1479  5                                   3    
HELIX   20  20 LEU C 1480  ARG C 1488  1                                   9    
HELIX   21  21 SER C 1493  ASN C 1499  1                                   7    
HELIX   22  22 GLY C 1500  ASN C 1506  1                                   7    
HELIX   23  23 GLN C 1521  MET C 1525  5                                   5    
HELIX   24  24 HIS B 2041  VAL B 2045  5                                   5    
HELIX   25  25 THR A 3004  ARG A 3026  1                                  23    
HELIX   26  26 ASN A 3031  GLY A 3050  1                                  20    
HELIX   27  27 SER A 3052  GLY A 3060  1                                   9    
HELIX   28  28 ARG A 3061  VAL A 3063  5                                   3    
HELIX   29  29 THR A 3065  GLN A 3068  5                                   4    
HELIX   30  30 GLY A 3072  ILE A 3077  1                                   6    
SHEET    1   A 2 ASN C1003  SER C1005  0                                        
SHEET    2   A 2 GLN B2012  ALA B2014 -1  N  ILE B2013   O  ILE C1004           
SHEET    1   B 3 TRP C1029  GLU C1031  0                                        
SHEET    2   B 3 LYS C1020  ARG C1022 -1  O  VAL C1021   N  ILE C1030           
SHEET    3   B 3 TYR B2006  HIS B2007 -1  N  HIS B2007   O  LYS C1020           
SHEET    1   C12 ASP C1034  ASP C1035  0                                        
SHEET    2   C12 GLY C1080  LYS C1089  1  O  ILE C1081   N  ASP C1034           
SHEET    3   C12 ARG C1092  GLY C1097 -1  O  ARG C1092   N  LYS C1089           
SHEET    4   C12 GLY C1080  LYS C1089 -1  N  ASP C1085   O  GLY C1097           
SHEET    5   C12 LEU C1068  ASP C1077 -1  O  LEU C1068   N  VAL C1088           
SHEET    6   C12 GLU C1117  ALA C1120  1  O  GLU C1117   N  VAL C1069           
SHEET    7   C12 LEU C1068  ASP C1077  1  O  VAL C1069   N  ILE C1119           
SHEET    8   C12 ILE C1125  ALA C1128  1  N  VAL C1126   O  LEU C1074           
SHEET    9   C12 LEU C1432  TRP C1435 -1  N  VAL C1433   O  THR C1127           
SHEET   10   C12 THR C1446  LYS C1449 -1  O  THR C1446   N  VAL C1434           
SHEET   11   C12 MET C1452  MET C1458 -1  O  MET C1452   N  LYS C1449           
SHEET   12   C12 HIS C1472  PRO C1475 -1  O  HIS C1472   N  MET C1458           
SHEET    1   D 2 ALA C1099  GLY C1100  0                                        
SHEET    2   D 2 ILE C1110  PRO C1111  1  O  ILE C1110   N  GLY C1100           
SHEET    1   E 3 GLY C1130  HIS C1136  0                                        
SHEET    2   E 3 VAL C1151  GLY C1157  1  N  THR C1152   O  GLY C1130           
SHEET    3   E 3 ASN C1190  LEU C1193  1  O  ASN C1190   N  MET C1154           
SHEET    1   F 5 GLY C1215  HIS C1219  0                                        
SHEET    2   F 5 GLN C1242  HIS C1246  1  O  GLN C1242   N  LEU C1216           
SHEET    3   F 5 ILE C1268  THR C1270  1  N  HIS C1269   O  VAL C1243           
SHEET    4   F 5 ILE C1293  THR C1298  1  N  LEU C1294   O  ILE C1268           
SHEET    5   F 5 LEU C1356  SER C1358  1  O  LEU C1356   N  SER C1297           
SHEET    1   G 2 LEU C1489  LEU C1492  0                                        
SHEET    2   G 2 ALA C1510  VAL C1513  1  O  ALA C1510   N  THR C1490           
SHEET    1   H 3 ILE C1534  VAL C1536  0                                        
SHEET    2   H 3 VAL C1543  VAL C1545 -1  O  ARG C1544   N  THR C1535           
SHEET    3   H 3 GLU C1548  LEU C1549 -1  O  GLU C1548   N  VAL C1545           
SHEET    1   I 4 LEU B2049  LYS B2050  0                                        
SHEET    2   I 4 THR B2021  ASN B2028 -1  O  GLU B2027   N  LYS B2050           
SHEET    3   I 4 LYS B2076  ALA B2083 -1  O  ARG B2077   N  VAL B2026           
SHEET    4   I 4 TYR B2059  LEU B2061 -1  O  ARG B2060   N  VAL B2082           
SHEET    1   J 2 ILE B2034  GLY B2037  0                                        
SHEET    2   J 2 ALA B2068  PHE B2071 -1  O  VAL B2069   N  VAL B2036           
SHEET    1   K 2 ALA B2089  VAL B2090  0                                        
SHEET    2   K 2 GLY B2099  PRO B2100 -1  O  GLY B2099   N  VAL B2090           
SHEET    1   L 2 ASP A3079  PHE A3086  0                                        
SHEET    2   L 2 GLY A3089  HIS A3096 -1  O  GLY A3089   N  PHE A3086           
LINK         C   LEU C1216                 N   KCX C1217     1555   1555  1.32  
LINK         C   KCX C1217                 N   ILE C1218     1555   1555  1.33  
LINK         O   HOH C 500                NI    NI C4774     1555   1555  2.06  
LINK         O   HOH C 500                NI    NI C4775     1555   1555  2.10  
LINK         O   HOH C 501                NI    NI C4774     1555   1555  2.54  
LINK         O   HOH C 502                NI    NI C4775     1555   1555  2.41  
LINK         NE2 HIS C1134                NI    NI C4775     1555   1555  2.21  
LINK         NE2 HIS C1136                NI    NI C4775     1555   1555  2.11  
LINK         OQ1 KCX C1217                NI    NI C4774     1555   1555  2.04  
LINK         OQ2 KCX C1217                NI    NI C4775     1555   1555  2.19  
LINK         ND1 HIS C1246                NI    NI C4774     1555   1555  2.09  
LINK         NE2 HIS C1272                NI    NI C4774     1555   1555  2.25  
LINK         OD1 ASP C1360                NI    NI C4775     1555   1555  2.12  
CISPEP   1 ALA C 1281    PRO C 1282          0        -2.06                     
CISPEP   2 LEU C 1302    PRO C 1303          0         0.10                     
CISPEP   3 GLN C 1469    PRO C 1470          0        -0.18                     
SITE     1 AC1  8 HOH C 500  HOH C 501  KCX C1217  HIS C1219                    
SITE     2 AC1  8 HIS C1246  HIS C1272  GLY C1277   NI C4775                    
SITE     1 AC2  7 HOH C 500  HOH C 502  HIS C1134  HIS C1136                    
SITE     2 AC2  7 KCX C1217  ASP C1360   NI C4774                               
CRYST1  170.600  170.600  170.600  90.00  90.00  90.00 I 21 3       24          
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      0.005862  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.005862  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.005862        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
DBGET integrated database retrieval system