HEADER    OXIDOREDUCTASE                          01-NOV-01   1KAE              
TITLE     L-HISTIDINOL DEHYDROGENASE (HISD) STRUCTURE COMPLEXED WITH L-         
TITLE    2 HISTIDINOL (SUBSTRATE), ZINC AND NAD (COFACTOR)                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: HISTIDINOL DEHYDROGENASE;                                  
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: HDH;                                                        
COMPND   5 EC: 1.1.1.23;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: HISD;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: DL41;                                      
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID                               
KEYWDS    L-HISTIDINOL DEHYDROGENASE, HOMODIMER, ROSSMANN FOLD, 4 DOMAINS,      
KEYWDS   2 HISD, L-HISTIDINE BIOSYNTHESIS, NAD COFACTOR, OXIDOREDUCTASE         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.A.R.G.BARBOSA,J.SIVARAMAN,Y.LI,R.LAROCQUE,A.MATTE,J.D.SCHRAG,       
AUTHOR   2 M.CYGLER                                                             
REVDAT   9   15-NOV-23 1KAE    1       REMARK                                   
REVDAT   8   16-AUG-23 1KAE    1       REMARK SEQADV LINK                       
REVDAT   7   24-JUN-15 1KAE    1       FORMUL HETNAM                            
REVDAT   6   12-NOV-14 1KAE    1       KEYWDS                                   
REVDAT   5   13-JUL-11 1KAE    1       VERSN                                    
REVDAT   4   24-FEB-09 1KAE    1       VERSN                                    
REVDAT   3   11-JUL-06 1KAE    1       AUTHOR JRNL                              
REVDAT   2   01-APR-03 1KAE    1       JRNL                                     
REVDAT   1   12-JUN-02 1KAE    0                                                
JRNL        AUTH   J.A.R.G.BARBOSA,J.SIVARAMAN,Y.LI,R.LAROCQUE,A.MATTE,         
JRNL        AUTH 2 J.D.SCHRAG,M.CYGLER                                          
JRNL        TITL   MECHANISM OF ACTION AND NAD+-BINDING MODE REVEALED BY THE    
JRNL        TITL 2 CRYSTAL STRUCTURE OF L-HISTIDINOL DEHYDROGENASE.             
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V.  99  1859 2002              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   11842181                                                     
JRNL        DOI    10.1073/PNAS.022476199                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS                                                  
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 38.50                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 223859.020                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 87.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 173433                         
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.213                           
REMARK   3   FREE R VALUE                     : 0.241                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 1.500                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2527                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 10                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.76                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 53.40                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 10389                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3690                       
REMARK   3   BIN FREE R VALUE                    : 0.3790                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 1.50                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 156                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.030                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 6470                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 139                                     
REMARK   3   SOLVENT ATOMS            : 626                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 19.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 25.90                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 7.97000                                              
REMARK   3    B22 (A**2) : -1.07000                                             
REMARK   3    B33 (A**2) : -6.90000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.22                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.30                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.25                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.36                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.015                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.190                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.290 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 1.950 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.100 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 2.910 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.37                                                 
REMARK   3   BSOL        : 46.97                                                
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  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER.PARAM                                    
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : NAD.PARAM                                      
REMARK   3  PARAMETER FILE  5  : HISTIDINOL.PARAM                               
REMARK   3  PARAMETER FILE  6  : GLYCEROL.PARAM                                 
REMARK   3  PARAMETER FILE  7  : IMIDAZOL.PARAM                                 
REMARK   3  PARAMETER FILE  8  : DTT.PARAM                                      
REMARK   3  PARAMETER FILE  9  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  3   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : NAD.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : HISTIDINOL.TOP                                 
REMARK   3  TOPOLOGY FILE  6   : GLYCEROL.TOP                                   
REMARK   3  TOPOLOGY FILE  7   : IMIDAZOL.TOP                                   
REMARK   3  TOPOLOGY FILE  8   : DTT.TOP                                        
REMARK   3  TOPOLOGY FILE  9   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1KAE COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 14-NOV-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000014757.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-NOV-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X8C                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97945                            
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 4                     
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 182767                             
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 92.3                               
REMARK 200  DATA REDUNDANCY                : 2.300                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05100                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.4000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.76                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 64.6                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.36500                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 1.600                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: FOURIER SYNTHESIS            
REMARK 200 SOFTWARE USED: CNS                                                   
REMARK 200 STARTING MODEL: PDB ENTRY 1K75                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 50.75                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, GLYCEROL, IMIDAZOLE/MALIC      
REMARK 280  ACID BUFFER, AMMONIUM SULFATE, PH 5.5, VAPOR DIFFUSION, HANGING     
REMARK 280  DROP, TEMPERATURE 291K                                              
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       27.46500            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       78.35500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       53.97000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       78.35500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       27.46500            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       53.97000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 14270 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 32850 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -192.0 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B                                  
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     THR A    61                                                      
REMARK 475     MSE B     1                                                      
REMARK 475     SER B     2                                                      
REMARK 475     PHE B     3                                                      
REMARK 475     SER B    27                                                      
REMARK 475     LYS B    60                                                      
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     MSE A    1   CG  SE    CE                                        
REMARK 480     SER A    2   OG                                                  
REMARK 480     ILE A   26   CG1  CG2  CD1                                       
REMARK 480     LYS A   60   CG   CD   CE   NZ                                   
REMARK 480     THR A   62   OG1  CG2                                            
REMARK 480     GLU A   71   CG   CD   OE1  OE2                                  
REMARK 480     GLN A  174   CG   CD   OE1  NE2                                  
REMARK 480     GLU A  286   CD   OE1  OE2                                       
REMARK 480     MSE B   22   CG  SE    CE                                        
REMARK 480     ILE B   26   CG1  CG2  CD1                                       
REMARK 480     ARG B   34   CD   NE   CZ   NH1  NH2                             
REMARK 480     GLU B  286   CD   OE1  OE2                                       
REMARK 480     ARG B  294   CG   CD   NE   CZ   NH1  NH2                        
REMARK 480     GLN B  322   CD   OE1  NE2                                       
REMARK 480     GLU B  398   CD   OE1  OE2                                       
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   OD2  ASP A   276     O    HOH A  1382              2.18            
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    SER B  27   CA    SER B  27   C       0.160                       
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    ILE B  26   O   -  C   -  N   ANGL. DEV. = -13.2 DEGREES          
REMARK 500    THR B  61   C   -  N   -  CA  ANGL. DEV. = -19.5 DEGREES          
REMARK 500    PRO B 293   C   -  N   -  CA  ANGL. DEV. =  10.4 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    SER A   2      -49.28    164.63                                   
REMARK 500    ALA A  28       94.97     47.20                                   
REMARK 500    LYS A  57      -86.84    -56.80                                   
REMARK 500    PHE A  58       11.44    -63.60                                   
REMARK 500    LYS A  60       67.36   -169.03                                   
REMARK 500    THR A  61      -20.65   -144.90                                   
REMARK 500    THR A  64      -83.46   -109.90                                   
REMARK 500    ASN A 211     -171.41    -67.30                                   
REMARK 500    MSE A 232      164.86    170.78                                   
REMARK 500    GLN A 331       71.70   -102.86                                   
REMARK 500    SER A 354       69.74   -118.70                                   
REMARK 500    ALA A 362       -2.83   -155.95                                   
REMARK 500    ASN B   4     -162.02     69.97                                   
REMARK 500    THR B   5     -121.97   -167.48                                   
REMARK 500    ALA B  28      -64.45    -25.87                                   
REMARK 500    SER B  29       84.59     72.22                                   
REMARK 500    LYS B  60      -78.24     85.56                                   
REMARK 500    THR B  64      -83.97   -117.79                                   
REMARK 500    PRO B 293      -32.56    -38.59                                   
REMARK 500    ARG B 294       80.55   -156.30                                   
REMARK 500    GLN B 331       75.29   -107.40                                   
REMARK 500    ASN B 334       43.86   -105.69                                   
REMARK 500    SER B 354       67.39   -119.31                                   
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 A 130         0.07    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    ILE B  26        -16.35                                           
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 615                                                                      
REMARK 615 ZERO OCCUPANCY ATOM                                                  
REMARK 615 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO                  
REMARK 615 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS                
REMARK 615 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME;              
REMARK 615 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE):         
REMARK 615   M RES C  SSEQI                                                     
REMARK 615     DTT A   901                                                      
REMARK 615     NAD A  1201                                                      
REMARK 615     NAD B  1202                                                      
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                              ZN A1101  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLN A 259   OE1                                                    
REMARK 620 2 HIS A 262   NE2  80.4                                              
REMARK 620 3 ASP A 360   OD2  91.0 170.8                                        
REMARK 620 4 HSO A1001   ND1 166.6  96.4  92.7                                  
REMARK 620 5 HSO A1001   N    74.2  93.5  87.0  93.1                            
REMARK 620 6 HIS B 419   NE2  92.1  93.1  84.1 101.0 163.6                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN B1102  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A 419   NE2                                                    
REMARK 620 2 HIS B 262   NE2  93.9                                              
REMARK 620 3 ASP B 360   OD2  86.1 171.0                                        
REMARK 620 4 IMD B 902   N3  106.3  95.5  93.1                                  
REMARK 620 5 HOH B1299   O   146.2  90.8  84.3 106.5                            
REMARK 620 N                    1     2     3     4                             
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 701                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 702                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 703                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 704                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 1101                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN B 1102                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE DTT A 901                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE IMD B 902                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HSO A 1001                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAD A 1201                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE NAD B 1202                
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 801                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1K75   RELATED DB: PDB                                   
REMARK 900 L-HISTIDINOL DEHYDROGENASE (HISD) STRUCTURE IMPLICATES DOMAIN        
REMARK 900 SWAPPING AND GENE DUPLICATION                                        
REMARK 900 RELATED ID: 1KAH   RELATED DB: PDB                                   
REMARK 900 L-HISTIDINOL DEHYDROGENASE (HISD) STRUCTURE COMPLEXED WITH L-        
REMARK 900 HISTIDINE (PRODUCT), ZINC AND NAD (COFACTOR)                         
REMARK 900 RELATED ID: 1KAR   RELATED DB: PDB                                   
REMARK 900 L-HISTIDINOL DEHYDROENASE (HISD) STRUCTURE COMPLEXED WITH HISTAMINE  
REMARK 900 (INHIBITOR), ZINC AND NAD (COFACTOR)                                 
REMARK 999                                                                      
REMARK 999 SEQUENCE                                                             
REMARK 999 THE FOLLOWING FOUR RESIDUES ARE VARIANT IN THE SWISSPROT             
REMARK 999 ENTRY P06988. RESIDUE 14 CAN BE EITHER GLU OR VAL,                   
REMARK 999 RESIDUE 149 CAN BE EITHER SER OR ARG, RESIDUE 312 CAN BE             
REMARK 999 EITHER LEU OR SER AND RESIDUE 402 CAN BE EITHER LEU OR VAL.          
DBREF  1KAE A    1   434  UNP    P06988   HISX_ECOLI       0    433             
DBREF  1KAE B    1   434  UNP    P06988   HISX_ECOLI       0    433             
SEQADV 1KAE MSE A    1  UNP  P06988    MET     0 MODIFIED RESIDUE               
SEQADV 1KAE GLU A   15  UNP  P06988    VAL    14 SEE REMARK 999                 
SEQADV 1KAE MSE A   22  UNP  P06988    MET    21 MODIFIED RESIDUE               
SEQADV 1KAE MSE A   88  UNP  P06988    MET    87 MODIFIED RESIDUE               
SEQADV 1KAE MSE A  144  UNP  P06988    MET   143 MODIFIED RESIDUE               
SEQADV 1KAE SER A  150  UNP  P06988    ARG   149 SEE REMARK 999                 
SEQADV 1KAE MSE A  232  UNP  P06988    MET   231 MODIFIED RESIDUE               
SEQADV 1KAE MSE A  277  UNP  P06988    MET   276 MODIFIED RESIDUE               
SEQADV 1KAE LEU A  313  UNP  P06988    SER   312 SEE REMARK 999                 
SEQADV 1KAE MSE A  390  UNP  P06988    MET   389 MODIFIED RESIDUE               
SEQADV 1KAE LEU A  403  UNP  P06988    VAL   402 SEE REMARK 999                 
SEQADV 1KAE MSE B    1  UNP  P06988    MET     0 MODIFIED RESIDUE               
SEQADV 1KAE GLU B   15  UNP  P06988    VAL    14 SEE REMARK 999                 
SEQADV 1KAE MSE B   22  UNP  P06988    MET    21 MODIFIED RESIDUE               
SEQADV 1KAE MSE B   88  UNP  P06988    MET    87 MODIFIED RESIDUE               
SEQADV 1KAE MSE B  144  UNP  P06988    MET   143 MODIFIED RESIDUE               
SEQADV 1KAE SER B  150  UNP  P06988    ARG   149 SEE REMARK 999                 
SEQADV 1KAE MSE B  232  UNP  P06988    MET   231 MODIFIED RESIDUE               
SEQADV 1KAE MSE B  277  UNP  P06988    MET   276 MODIFIED RESIDUE               
SEQADV 1KAE LEU B  313  UNP  P06988    SER   312 SEE REMARK 999                 
SEQADV 1KAE MSE B  390  UNP  P06988    MET   389 MODIFIED RESIDUE               
SEQADV 1KAE LEU B  403  UNP  P06988    VAL   402 SEE REMARK 999                 
SEQRES   1 A  434  MSE SER PHE ASN THR ILE ILE ASP TRP ASN SER CYS THR          
SEQRES   2 A  434  ALA GLU GLN GLN ARG GLN LEU LEU MSE ARG PRO ALA ILE          
SEQRES   3 A  434  SER ALA SER GLU SER ILE THR ARG THR VAL ASN ASP ILE          
SEQRES   4 A  434  LEU ASP ASN VAL LYS ALA ARG GLY ASP GLU ALA LEU ARG          
SEQRES   5 A  434  GLU TYR SER ALA LYS PHE ASP LYS THR THR VAL THR ALA          
SEQRES   6 A  434  LEU LYS VAL SER ALA GLU GLU ILE ALA ALA ALA SER GLU          
SEQRES   7 A  434  ARG LEU SER ASP GLU LEU LYS GLN ALA MSE ALA VAL ALA          
SEQRES   8 A  434  VAL LYS ASN ILE GLU THR PHE HIS THR ALA GLN LYS LEU          
SEQRES   9 A  434  PRO PRO VAL ASP VAL GLU THR GLN PRO GLY VAL ARG CYS          
SEQRES  10 A  434  GLN GLN VAL THR ARG PRO VAL ALA SER VAL GLY LEU TYR          
SEQRES  11 A  434  ILE PRO GLY GLY SER ALA PRO LEU PHE SER THR VAL LEU          
SEQRES  12 A  434  MSE LEU ALA THR PRO ALA SER ILE ALA GLY CYS LYS LYS          
SEQRES  13 A  434  VAL VAL LEU CYS SER PRO PRO PRO ILE ALA ASP GLU ILE          
SEQRES  14 A  434  LEU TYR ALA ALA GLN LEU CYS GLY VAL GLN ASP VAL PHE          
SEQRES  15 A  434  ASN VAL GLY GLY ALA GLN ALA ILE ALA ALA LEU ALA PHE          
SEQRES  16 A  434  GLY THR GLU SER VAL PRO LYS VAL ASP LYS ILE PHE GLY          
SEQRES  17 A  434  PRO GLY ASN ALA PHE VAL THR GLU ALA LYS ARG GLN VAL          
SEQRES  18 A  434  SER GLN ARG LEU ASP GLY ALA ALA ILE ASP MSE PRO ALA          
SEQRES  19 A  434  GLY PRO SER GLU VAL LEU VAL ILE ALA ASP SER GLY ALA          
SEQRES  20 A  434  THR PRO ASP PHE VAL ALA SER ASP LEU LEU SER GLN ALA          
SEQRES  21 A  434  GLU HIS GLY PRO ASP SER GLN VAL ILE LEU LEU THR PRO          
SEQRES  22 A  434  ALA ALA ASP MSE ALA ARG ARG VAL ALA GLU ALA VAL GLU          
SEQRES  23 A  434  ARG GLN LEU ALA GLU LEU PRO ARG ALA GLU THR ALA ARG          
SEQRES  24 A  434  GLN ALA LEU ASN ALA SER ARG LEU ILE VAL THR LYS ASP          
SEQRES  25 A  434  LEU ALA GLN CYS VAL GLU ILE SER ASN GLN TYR GLY PRO          
SEQRES  26 A  434  GLU HIS LEU ILE ILE GLN THR ARG ASN ALA ARG GLU LEU          
SEQRES  27 A  434  VAL ASP SER ILE THR SER ALA GLY SER VAL PHE LEU GLY          
SEQRES  28 A  434  ASP TRP SER PRO GLU SER ALA GLY ASP TYR ALA SER GLY          
SEQRES  29 A  434  THR ASN HIS VAL LEU PRO THR TYR GLY TYR THR ALA THR          
SEQRES  30 A  434  CYS SER SER LEU GLY LEU ALA ASP PHE GLN LYS ARG MSE          
SEQRES  31 A  434  THR VAL GLN GLU LEU SER LYS GLU GLY PHE SER ALA LEU          
SEQRES  32 A  434  ALA SER THR ILE GLU THR LEU ALA ALA ALA GLU ARG LEU          
SEQRES  33 A  434  THR ALA HIS LYS ASN ALA VAL THR LEU ARG VAL ASN ALA          
SEQRES  34 A  434  LEU LYS GLU GLN ALA                                          
SEQRES   1 B  434  MSE SER PHE ASN THR ILE ILE ASP TRP ASN SER CYS THR          
SEQRES   2 B  434  ALA GLU GLN GLN ARG GLN LEU LEU MSE ARG PRO ALA ILE          
SEQRES   3 B  434  SER ALA SER GLU SER ILE THR ARG THR VAL ASN ASP ILE          
SEQRES   4 B  434  LEU ASP ASN VAL LYS ALA ARG GLY ASP GLU ALA LEU ARG          
SEQRES   5 B  434  GLU TYR SER ALA LYS PHE ASP LYS THR THR VAL THR ALA          
SEQRES   6 B  434  LEU LYS VAL SER ALA GLU GLU ILE ALA ALA ALA SER GLU          
SEQRES   7 B  434  ARG LEU SER ASP GLU LEU LYS GLN ALA MSE ALA VAL ALA          
SEQRES   8 B  434  VAL LYS ASN ILE GLU THR PHE HIS THR ALA GLN LYS LEU          
SEQRES   9 B  434  PRO PRO VAL ASP VAL GLU THR GLN PRO GLY VAL ARG CYS          
SEQRES  10 B  434  GLN GLN VAL THR ARG PRO VAL ALA SER VAL GLY LEU TYR          
SEQRES  11 B  434  ILE PRO GLY GLY SER ALA PRO LEU PHE SER THR VAL LEU          
SEQRES  12 B  434  MSE LEU ALA THR PRO ALA SER ILE ALA GLY CYS LYS LYS          
SEQRES  13 B  434  VAL VAL LEU CYS SER PRO PRO PRO ILE ALA ASP GLU ILE          
SEQRES  14 B  434  LEU TYR ALA ALA GLN LEU CYS GLY VAL GLN ASP VAL PHE          
SEQRES  15 B  434  ASN VAL GLY GLY ALA GLN ALA ILE ALA ALA LEU ALA PHE          
SEQRES  16 B  434  GLY THR GLU SER VAL PRO LYS VAL ASP LYS ILE PHE GLY          
SEQRES  17 B  434  PRO GLY ASN ALA PHE VAL THR GLU ALA LYS ARG GLN VAL          
SEQRES  18 B  434  SER GLN ARG LEU ASP GLY ALA ALA ILE ASP MSE PRO ALA          
SEQRES  19 B  434  GLY PRO SER GLU VAL LEU VAL ILE ALA ASP SER GLY ALA          
SEQRES  20 B  434  THR PRO ASP PHE VAL ALA SER ASP LEU LEU SER GLN ALA          
SEQRES  21 B  434  GLU HIS GLY PRO ASP SER GLN VAL ILE LEU LEU THR PRO          
SEQRES  22 B  434  ALA ALA ASP MSE ALA ARG ARG VAL ALA GLU ALA VAL GLU          
SEQRES  23 B  434  ARG GLN LEU ALA GLU LEU PRO ARG ALA GLU THR ALA ARG          
SEQRES  24 B  434  GLN ALA LEU ASN ALA SER ARG LEU ILE VAL THR LYS ASP          
SEQRES  25 B  434  LEU ALA GLN CYS VAL GLU ILE SER ASN GLN TYR GLY PRO          
SEQRES  26 B  434  GLU HIS LEU ILE ILE GLN THR ARG ASN ALA ARG GLU LEU          
SEQRES  27 B  434  VAL ASP SER ILE THR SER ALA GLY SER VAL PHE LEU GLY          
SEQRES  28 B  434  ASP TRP SER PRO GLU SER ALA GLY ASP TYR ALA SER GLY          
SEQRES  29 B  434  THR ASN HIS VAL LEU PRO THR TYR GLY TYR THR ALA THR          
SEQRES  30 B  434  CYS SER SER LEU GLY LEU ALA ASP PHE GLN LYS ARG MSE          
SEQRES  31 B  434  THR VAL GLN GLU LEU SER LYS GLU GLY PHE SER ALA LEU          
SEQRES  32 B  434  ALA SER THR ILE GLU THR LEU ALA ALA ALA GLU ARG LEU          
SEQRES  33 B  434  THR ALA HIS LYS ASN ALA VAL THR LEU ARG VAL ASN ALA          
SEQRES  34 B  434  LEU LYS GLU GLN ALA                                          
MODRES 1KAE MSE A    1  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE A   22  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE A   88  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE A  144  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE A  232  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE A  277  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE A  390  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE B    1  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE B   22  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE B   88  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE B  144  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE B  232  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE B  277  MET  SELENOMETHIONINE                                   
MODRES 1KAE MSE B  390  MET  SELENOMETHIONINE                                   
HET    MSE  A   1       8                                                       
HET    MSE  A  22       8                                                       
HET    MSE  A  88       8                                                       
HET    MSE  A 144       8                                                       
HET    MSE  A 232       8                                                       
HET    MSE  A 277       8                                                       
HET    MSE  A 390       8                                                       
HET    MSE  B   1       8                                                       
HET    MSE  B  22       8                                                       
HET    MSE  B  88       8                                                       
HET    MSE  B 144       8                                                       
HET    MSE  B 232       8                                                       
HET    MSE  B 277       8                                                       
HET    MSE  B 390       8                                                       
HET    SO4  A 702       5                                                       
HET    SO4  A 704       5                                                       
HET     ZN  A1101       1                                                       
HET    DTT  A 901       8                                                       
HET    HSO  A1001      10                                                       
HET    NAD  A1201      44                                                       
HET    SO4  B 701       5                                                       
HET    SO4  B 703       5                                                       
HET     ZN  B1102       1                                                       
HET    IMD  B 902       5                                                       
HET    NAD  B1202      44                                                       
HET    GOL  B 801       6                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM     SO4 SULFATE ION                                                      
HETNAM      ZN ZINC ION                                                         
HETNAM     DTT 2,3-DIHYDROXY-1,4-DITHIOBUTANE                                   
HETNAM     HSO L-HISTIDINOL                                                     
HETNAM     NAD NICOTINAMIDE-ADENINE-DINUCLEOTIDE                                
HETNAM     IMD IMIDAZOLE                                                        
HETNAM     GOL GLYCEROL                                                         
HETSYN     DTT 1,4-DITHIOTHREITOL                                               
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   1  MSE    14(C5 H11 N O2 SE)                                           
FORMUL   3  SO4    4(O4 S 2-)                                                   
FORMUL   5   ZN    2(ZN 2+)                                                     
FORMUL   6  DTT    C4 H10 O2 S2                                                 
FORMUL   7  HSO    C6 H12 N3 O 1+                                               
FORMUL   8  NAD    2(C21 H27 N7 O14 P2)                                         
FORMUL  12  IMD    C3 H5 N2 1+                                                  
FORMUL  14  GOL    C3 H8 O3                                                     
FORMUL  15  HOH   *626(H2 O)                                                    
HELIX    1   1 ASN A   10  CYS A   12  5                                   3    
HELIX    2   2 THR A   13  LEU A   21  1                                   9    
HELIX    3   3 SER A   29  SER A   55  1                                  27    
HELIX    4   4 SER A   69  LEU A   80  1                                  12    
HELIX    5   5 SER A   81  ALA A  101  1                                  21    
HELIX    6   6 PHE A  139  GLY A  153  1                                  15    
HELIX    7   7 ALA A  166  CYS A  176  1                                  11    
HELIX    8   8 GLY A  185  GLY A  196  1                                  12    
HELIX    9   9 ASN A  211  ARG A  224  1                                  14    
HELIX   10  10 THR A  248  GLU A  261  1                                  14    
HELIX   11  11 ALA A  274  ALA A  290  1                                  17    
HELIX   12  12 ARG A  294  ASN A  303  1                                  10    
HELIX   13  13 ASP A  312  GLY A  324  1                                  13    
HELIX   14  14 ASN A  334  VAL A  339  1                                   6    
HELIX   15  15 ASP A  340  ILE A  342  5                                   3    
HELIX   16  16 PRO A  355  ALA A  362  1                                   8    
HELIX   17  17 GLY A  373  THR A  377  5                                   5    
HELIX   18  18 GLY A  382  ASP A  385  5                                   4    
HELIX   19  19 SER A  396  GLU A  414  1                                  19    
HELIX   20  20 LEU A  416  ALA A  434  1                                  19    
HELIX   21  21 ASN B   10  CYS B   12  5                                   3    
HELIX   22  22 THR B   13  LEU B   21  1                                   9    
HELIX   23  23 SER B   29  ASP B   59  1                                  31    
HELIX   24  24 SER B   69  LEU B   80  1                                  12    
HELIX   25  25 SER B   81  ALA B  101  1                                  21    
HELIX   26  26 PHE B  139  GLY B  153  1                                  15    
HELIX   27  27 ALA B  166  CYS B  176  1                                  11    
HELIX   28  28 GLY B  185  GLY B  196  1                                  12    
HELIX   29  29 ASN B  211  ARG B  224  1                                  14    
HELIX   30  30 THR B  248  GLU B  261  1                                  14    
HELIX   31  31 ALA B  274  GLU B  291  1                                  18    
HELIX   32  32 ALA B  295  ASN B  303  1                                   9    
HELIX   33  33 ASP B  312  GLY B  324  1                                  13    
HELIX   34  34 ASN B  334  VAL B  339  1                                   6    
HELIX   35  35 ASP B  340  ILE B  342  5                                   3    
HELIX   36  36 PRO B  355  ALA B  362  1                                   8    
HELIX   37  37 GLY B  373  THR B  377  5                                   5    
HELIX   38  38 GLY B  382  ASP B  385  5                                   4    
HELIX   39  39 SER B  396  GLU B  414  1                                  19    
HELIX   40  40 LEU B  416  ALA B  434  1                                  19    
SHEET    1   A 9 ILE A   6  ASP A   8  0                                        
SHEET    2   A 9 ARG A 306  VAL A 309  1  O  VAL A 309   N  ILE A   7           
SHEET    3   A 9 GLN A 267  THR A 272  1  N  LEU A 270   O  ILE A 308           
SHEET    4   A 9 GLU A 238  ALA A 243  1  N  VAL A 241   O  ILE A 269           
SHEET    5   A 9 HIS A 327  GLN A 331  1  O  ILE A 329   N  ILE A 242           
SHEET    6   A 9 SER A 347  LEU A 350  1  O  PHE A 349   N  ILE A 330           
SHEET    7   A 9 GLN B 387  LEU B 395  1  O  THR B 391   N  VAL A 348           
SHEET    8   A 9 VAL B 115  PRO B 123 -1  N  VAL B 120   O  MSE B 390           
SHEET    9   A 9 VAL B 107  GLU B 110 -1  N  VAL B 109   O  CYS B 117           
SHEET    1   B 9 VAL A 107  GLN A 112  0                                        
SHEET    2   B 9 VAL A 115  PRO A 123 -1  O  CYS A 117   N  VAL A 109           
SHEET    3   B 9 GLN A 387  LEU A 395 -1  O  VAL A 392   N  GLN A 118           
SHEET    4   B 9 SER B 347  LEU B 350  1  O  VAL B 348   N  THR A 391           
SHEET    5   B 9 HIS B 327  GLN B 331  1  N  ILE B 330   O  PHE B 349           
SHEET    6   B 9 GLU B 238  ALA B 243  1  N  ILE B 242   O  ILE B 329           
SHEET    7   B 9 GLN B 267  THR B 272  1  O  ILE B 269   N  VAL B 241           
SHEET    8   B 9 ARG B 306  VAL B 309  1  O  ILE B 308   N  LEU B 270           
SHEET    9   B 9 ILE B   6  ASP B   8  1  N  ILE B   7   O  VAL B 309           
SHEET    1   C 5 ASP A 180  ASN A 183  0                                        
SHEET    2   C 5 LYS A 156  SER A 161  1  N  LEU A 159   O  PHE A 182           
SHEET    3   C 5 SER A 126  TYR A 130  1  N  LEU A 129   O  CYS A 160           
SHEET    4   C 5 LYS A 205  PHE A 207  1  O  LYS A 205   N  GLY A 128           
SHEET    5   C 5 ALA A 229  ILE A 230  1  O  ALA A 229   N  ILE A 206           
SHEET    1   D 5 ASP B 180  ASN B 183  0                                        
SHEET    2   D 5 LYS B 156  SER B 161  1  N  LEU B 159   O  PHE B 182           
SHEET    3   D 5 SER B 126  TYR B 130  1  N  LEU B 129   O  VAL B 158           
SHEET    4   D 5 LYS B 205  PHE B 207  1  O  PHE B 207   N  GLY B 128           
SHEET    5   D 5 ALA B 229  ILE B 230  1  O  ALA B 229   N  ILE B 206           
LINK         C   MSE A   1                 N   SER A   2     1555   1555  1.33  
LINK         SG  CYS A  12                 S1  DTT A 901     1555   1555  2.04  
LINK         C   LEU A  21                 N   MSE A  22     1555   1555  1.34  
LINK         C   MSE A  22                 N   ARG A  23     1555   1555  1.35  
LINK         C   ALA A  87                 N   MSE A  88     1555   1555  1.33  
LINK         C   MSE A  88                 N   ALA A  89     1555   1555  1.34  
LINK         C   LEU A 143                 N   MSE A 144     1555   1555  1.35  
LINK         C   MSE A 144                 N   LEU A 145     1555   1555  1.34  
LINK         C   ASP A 231                 N   MSE A 232     1555   1555  1.33  
LINK         C   MSE A 232                 N   PRO A 233     1555   1555  1.34  
LINK         C   ASP A 276                 N   MSE A 277     1555   1555  1.33  
LINK         C   MSE A 277                 N   ALA A 278     1555   1555  1.32  
LINK         C   ARG A 389                 N   MSE A 390     1555   1555  1.32  
LINK         C   MSE A 390                 N   THR A 391     1555   1555  1.32  
LINK         C   MSE B   1                 N   SER B   2     1555   1555  1.33  
LINK         C   LEU B  21                 N   MSE B  22     1555   1555  1.33  
LINK         C   MSE B  22                 N   ARG B  23     1555   1555  1.33  
LINK         C   ALA B  87                 N   MSE B  88     1555   1555  1.33  
LINK         C   MSE B  88                 N   ALA B  89     1555   1555  1.33  
LINK         C   LEU B 143                 N   MSE B 144     1555   1555  1.33  
LINK         C   MSE B 144                 N   LEU B 145     1555   1555  1.33  
LINK         C   ASP B 231                 N   MSE B 232     1555   1555  1.32  
LINK         C   MSE B 232                 N   PRO B 233     1555   1555  1.34  
LINK         C   ASP B 276                 N   MSE B 277     1555   1555  1.32  
LINK         C   MSE B 277                 N   ALA B 278     1555   1555  1.33  
LINK         C   ARG B 389                 N   MSE B 390     1555   1555  1.32  
LINK         C   MSE B 390                 N   THR B 391     1555   1555  1.33  
LINK         OE1 GLN A 259                ZN    ZN A1101     1555   1555  2.59  
LINK         NE2 HIS A 262                ZN    ZN A1101     1555   1555  2.12  
LINK         OD2 ASP A 360                ZN    ZN A1101     1555   1555  2.17  
LINK         NE2 HIS A 419                ZN    ZN B1102     1555   1555  2.04  
LINK         ND1 HSO A1001                ZN    ZN A1101     1555   1555  2.03  
LINK         N   HSO A1001                ZN    ZN A1101     1555   1555  2.20  
LINK        ZN    ZN A1101                 NE2 HIS B 419     1555   1555  2.04  
LINK         NE2 HIS B 262                ZN    ZN B1102     1555   1555  2.07  
LINK         OD2 ASP B 360                ZN    ZN B1102     1555   1555  2.01  
LINK         N3  IMD B 902                ZN    ZN B1102     1555   1555  2.07  
LINK        ZN    ZN B1102                 O   HOH B1299     1555   1555  2.09  
CISPEP   1 PRO A  163    PRO A  164          0        -0.22                     
CISPEP   2 PRO B  163    PRO B  164          0        -0.34                     
SITE     1 AC1  9 PRO A 293  LYS A 420  HOH A1267  HOH A1351                    
SITE     2 AC1  9 ARG B 415  THR B 417  HOH B1231  HOH B1254                    
SITE     3 AC1  9 HOH B1326                                                     
SITE     1 AC2  4 SER A  81  ASP A  82  HOH A1343  HOH A1352                    
SITE     1 AC3  3 PRO B 249  ARG B 280  HOH B1238                               
SITE     1 AC4  4 PRO A 249  ARG A 280  HOH A1231  ARG B 287                    
SITE     1 AC5  5 GLN A 259  HIS A 262  ASP A 360  HSO A1001                    
SITE     2 AC5  5 HIS B 419                                                     
SITE     1 AC6  5 HIS A 419  HIS B 262  ASP B 360  IMD B 902                    
SITE     2 AC6  5 HOH B1299                                                     
SITE     1 AC7  2 SER A  11  CYS A  12                                          
SITE     1 AC8  9 GLU A 414  LEU A 416  HIS A 419  SER B 140                    
SITE     2 AC8  9 HIS B 262  ASP B 360  TYR B 361  HIS B 367                    
SITE     3 AC8  9  ZN B1102                                                     
SITE     1 AC9 13 SER A 140  SER A 237  GLN A 259  HIS A 262                    
SITE     2 AC9 13 HIS A 327  GLU A 356  ASP A 360  TYR A 361                    
SITE     3 AC9 13 HIS A 367   ZN A1101  GLU B 414  LEU B 416                    
SITE     4 AC9 13 HIS B 419                                                     
SITE     1 BC1 12 PHE A  58  TYR A 130  PRO A 132  PRO A 162                    
SITE     2 BC1 12 GLY A 186  GLN A 188  GLY A 210  ASN A 211                    
SITE     3 BC1 12 PHE A 213  VAL A 214  HOH A1426  HOH A1440                    
SITE     1 BC2  6 TYR B 130  PRO B 132  GLY B 133  PRO B 162                    
SITE     2 BC2  6 ASN B 211  VAL B 214                                          
SITE     1 BC3  5 PRO B 273  ASP B 312  LEU B 313  HOH B1272                    
SITE     2 BC3  5 HOH B1290                                                     
CRYST1   54.930  107.940  156.710  90.00  90.00  90.00 P 21 21 21    8          
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      0.018205  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009264  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006381        0.00000                         
HETATM    1  N   MSE A   1      22.778 132.510  77.081  1.00 57.65           N  
HETATM    2  CA  MSE A   1      22.334 133.642  76.212  1.00 57.20           C  
HETATM    3  C   MSE A   1      23.073 133.636  74.874  1.00 56.66           C  
HETATM    4  O   MSE A   1      24.302 133.585  74.831  1.00 57.27           O  
HETATM    5  CB  MSE A   1      22.578 134.978  76.926  1.00 57.58           C  
HETATM    6  CG  MSE A   1      22.233 134.967  78.400  0.00 63.68           C  
HETATM    7 SE   MSE A   1      22.753 136.595  79.290  0.00 64.35          SE  
HETATM    8  CE  MSE A   1      24.430 136.011  80.062  0.00 64.90           C