HEADER    LYASE                                   19-DEC-98   1B4E              
TITLE     X-RAY STRUCTURE OF 5-AMINOLEVULINIC ACID DEHYDRATASE COMPLEXED WITH   
TITLE    2 THE INHIBITOR LEVULINIC ACID                                         
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (5-AMINOLEVULINIC ACID DEHYDRATASE);               
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: ALAD;                                                       
COMPND   5 EC: 4.2.1.24;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: HEM2;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    DEHYDRATASE, LYASE                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    P.T.ERSKINE,J.B.COOPER,G.LEWIS,P.SPENCER,S.P.WOOD,P.M.SHOOLINGIN-     
AUTHOR   2 JORDAN                                                               
REVDAT   9   13-NOV-24 1B4E    1       REMARK                                   
REVDAT   8   03-APR-24 1B4E    1       REMARK                                   
REVDAT   7   27-DEC-23 1B4E    1       REMARK SEQADV LINK                       
REVDAT   6   04-OCT-17 1B4E    1       REMARK                                   
REVDAT   5   18-JAN-12 1B4E    1       HET    HETATM LINK                       
REVDAT   4   13-JUL-11 1B4E    1       VERSN                                    
REVDAT   3   24-FEB-09 1B4E    1       VERSN                                    
REVDAT   2   01-APR-03 1B4E    1       JRNL                                     
REVDAT   1   17-DEC-99 1B4E    0                                                
JRNL        AUTH   P.T.ERSKINE,E.NORTON,J.B.COOPER,R.LAMBERT,A.COKER,G.LEWIS,   
JRNL        AUTH 2 P.SPENCER,M.SARWAR,S.P.WOOD,M.J.WARREN,P.M.SHOOLINGIN-JORDAN 
JRNL        TITL   X-RAY STRUCTURE OF 5-AMINOLEVULINIC ACID DEHYDRATASE FROM    
JRNL        TITL 2 ESCHERICHIA COLI COMPLEXED WITH THE INHIBITOR LEVULINIC ACID 
JRNL        TITL 3 AT 2.0 A RESOLUTION.                                         
JRNL        REF    BIOCHEMISTRY                  V.  38  4266 1999              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10194344                                                     
JRNL        DOI    10.1021/BI982137W                                            
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.00 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : RESTRAIN                                             
REMARK   3   AUTHORS     : MOSS,DRIESSEN,HANEEF,HOWLIN,HARRIS                   
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.00                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 8.00                           
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 33275                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : EVERY 20TH REFLECTION           
REMARK   3   R VALUE     (WORKING + TEST SET) : NULL                            
REMARK   3   R VALUE            (WORKING SET) : 0.188                           
REMARK   3   FREE R VALUE                     : 0.255                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : NULL                            
REMARK   3                                                                      
REMARK   3  FIT/AGREEMENT OF MODEL WITH ALL DATA.                               
REMARK   3   R VALUE   (WORKING + TEST SET, NO CUTOFF) : NULL                   
REMARK   3   R VALUE          (WORKING SET, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE                  (NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL                   
REMARK   3   FREE R VALUE TEST SET COUNT   (NO CUTOFF) : NULL                   
REMARK   3   TOTAL NUMBER OF REFLECTIONS   (NO CUTOFF) : NULL                   
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2479                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 43                                      
REMARK   3   SOLVENT ATOMS            : 371                                     
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  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : NULL  ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : NULL  ; NULL                
REMARK   3    INTRAPLANAR 1-4 DISTANCE        (A) : NULL  ; NULL                
REMARK   3    H-BOND OR METAL COORDINATION    (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   PLANE RESTRAINT                  (A) : NULL  ; NULL                
REMARK   3   CHIRAL-CENTER RESTRAINT       (A**3) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   NON-BONDED CONTACT RESTRAINTS.                                     
REMARK   3    SINGLE TORSION                  (A) : NULL  ; NULL                
REMARK   3    MULTIPLE TORSION                (A) : NULL  ; NULL                
REMARK   3    H-BOND (X...Y)                  (A) : NULL  ; NULL                
REMARK   3    H-BOND (X-H...Y)                (A) : NULL  ; NULL                
REMARK   3                                                                      
REMARK   3   CONFORMATIONAL TORSION ANGLE RESTRAINTS.                           
REMARK   3    SPECIFIED                 (DEGREES) : NULL  ; NULL                
REMARK   3    PLANAR                    (DEGREES) : NULL  ; NULL                
REMARK   3    STAGGERED                 (DEGREES) : NULL  ; NULL                
REMARK   3    TRANSVERSE                (DEGREES) : NULL  ; 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  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1B4E COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-JUL-99.                  
REMARK 100 THE DEPOSITION ID IS D_1000007340.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 15-MAR-94                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.2                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX9.6                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.87                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR SCANNER 300 MM PLATE           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (AGROVATA, ROTAVATA           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 33275                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.000                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 8.000                              
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 85.8                               
REMARK 200  DATA REDUNDANCY                : 2.500                              
REMARK 200  R MERGE                    (I) : 0.06300                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 8.8000                             
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) : 2.10                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 70.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.60                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.29700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.100                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: CCP4 (ALMN, TFFC                                      
REMARK 200 STARTING MODEL: YEAST ALAD                                           
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 71.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.00                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 7MG/ML ENZYME AND 2 - 5 % SATURATED      
REMARK 280  AMMONIUM SULPHATE AS PRECIPITANT. 0.2 M TRIS-HCL USED TO BUFFER     
REMARK 280  THE PH BETWEEN 8.1 AND 8.4. 15MM LEVULINIC ACID, 40UM ZINC          
REMARK 280  SULPHATE AND 4MM BETA- MERCAPTOETHANOL WERE PRESENT., PH 8.2,       
REMARK 280  VAPOR DIFFUSION, HANGING DROP                                       
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: I 4 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -Y,X,Z                                                  
REMARK 290       4555   Y,-X,Z                                                  
REMARK 290       5555   -X,Y,-Z                                                 
REMARK 290       6555   X,-Y,-Z                                                 
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-Z                                                
REMARK 290       9555   X+1/2,Y+1/2,Z+1/2                                       
REMARK 290      10555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290      11555   -Y+1/2,X+1/2,Z+1/2                                      
REMARK 290      12555   Y+1/2,-X+1/2,Z+1/2                                      
REMARK 290      13555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290      14555   X+1/2,-Y+1/2,-Z+1/2                                     
REMARK 290      15555   Y+1/2,X+1/2,-Z+1/2                                      
REMARK 290      16555   -Y+1/2,-X+1/2,-Z+1/2                                    
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9  1.000000  0.000000  0.000000       63.35000            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000       63.35000            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000       70.80000            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000       63.35000            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000       63.35000            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000       70.80000            
REMARK 290   SMTRY1  11  0.000000 -1.000000  0.000000       63.35000            
REMARK 290   SMTRY2  11  1.000000  0.000000  0.000000       63.35000            
REMARK 290   SMTRY3  11  0.000000  0.000000  1.000000       70.80000            
REMARK 290   SMTRY1  12  0.000000  1.000000  0.000000       63.35000            
REMARK 290   SMTRY2  12 -1.000000  0.000000  0.000000       63.35000            
REMARK 290   SMTRY3  12  0.000000  0.000000  1.000000       70.80000            
REMARK 290   SMTRY1  13 -1.000000  0.000000  0.000000       63.35000            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       63.35000            
REMARK 290   SMTRY3  13  0.000000  0.000000 -1.000000       70.80000            
REMARK 290   SMTRY1  14  1.000000  0.000000  0.000000       63.35000            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       63.35000            
REMARK 290   SMTRY3  14  0.000000  0.000000 -1.000000       70.80000            
REMARK 290   SMTRY1  15  0.000000  1.000000  0.000000       63.35000            
REMARK 290   SMTRY2  15  1.000000  0.000000  0.000000       63.35000            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000       70.80000            
REMARK 290   SMTRY1  16  0.000000 -1.000000  0.000000       63.35000            
REMARK 290   SMTRY2  16 -1.000000  0.000000  0.000000       63.35000            
REMARK 290   SMTRY3  16  0.000000  0.000000 -1.000000       70.80000            
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: OCTAMERIC                         
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: OCTAMERIC                  
REMARK 350 SOFTWARE USED: PISA,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 59330 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 70080 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -1022.0 KCAL/MOL                      
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   3  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   3  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   3  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   4  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   4  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   5 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   5  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   5  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1   6  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   6  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   6  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1   7  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   7  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   7  0.000000  0.000000 -1.000000        0.00000            
REMARK 350   BIOMT1   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT2   8 -1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     ARG A 324    CG   CD   NE   CZ   NH1  NH2                        
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 A   562     O    HOH A   867              0.97            
REMARK 500   O    HOH A   810     O    HOH A   812              1.88            
REMARK 500   O    HOH A   610     O    HOH A   853              1.92            
REMARK 500   O    HOH A   523     O    HOH A   813              1.97            
REMARK 500   O    HOH A   557     O    HOH A   825              2.05            
REMARK 500   O    HOH A   556     O    HOH A   825              2.08            
REMARK 500   O    HOH A   735     O    HOH A   753              2.15            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC             
REMARK 500 SYMMETRY ARE IN CLOSE CONTACT.  AN ATOM LOCATED WITHIN 0.15          
REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A           
REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375             
REMARK 500 INSTEAD OF REMARK 500.  ATOMS WITH NON-BLANK ALTERNATE               
REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS.            
REMARK 500                                                                      
REMARK 500 DISTANCE CUTOFF:                                                     
REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS              
REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS                  
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI  SSYMOP   DISTANCE          
REMARK 500   NH2  ARG A    94     O    HOH A   591    16445     2.13            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A   7   NE  -  CZ  -  NH1 ANGL. DEV. =   4.0 DEGREES          
REMARK 500    ARG A   7   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.3 DEGREES          
REMARK 500    ARG A  12   NE  -  CZ  -  NH2 ANGL. DEV. =  -3.7 DEGREES          
REMARK 500    ASP A  91   CB  -  CG  -  OD2 ANGL. DEV. =   6.4 DEGREES          
REMARK 500    MET A 113   CG  -  SD  -  CE  ANGL. DEV. =  10.1 DEGREES          
REMARK 500    VAL A 153   CA  -  CB  -  CG2 ANGL. DEV. =   9.4 DEGREES          
REMARK 500    ARG A 260   NE  -  CZ  -  NH2 ANGL. DEV. =  -4.7 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    HIS A  84       51.38   -142.91                                   
REMARK 500    CYS A 130       27.96    -72.74                                   
REMARK 500    PHE A 184       54.84   -112.35                                   
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                              ZN A 404  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A  40   OE2                                                    
REMARK 620 2 GLU A  40   OE1  56.8                                              
REMARK 620 3 GLU A  40   OE2  87.3 143.2                                        
REMARK 620 4 HIS A  84   NE2 118.8 103.1 101.5                                  
REMARK 620 5 HIS A  84   NE2 145.5  89.2 124.8  70.8                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 405  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 CYS A 120   SG                                                     
REMARK 620 2 CYS A 122   SG  121.3                                              
REMARK 620 3 CYS A 130   SG  101.4 109.4                                        
REMARK 620 4 HOH A 869   O   107.6  88.9 130.2                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              ZN A 406  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 GLU A 232   OE1                                                    
REMARK 620 2 HOH A 697   O    77.8                                              
REMARK 620 3 HOH A 698   O   101.1  94.2                                        
REMARK 620 4 HOH A 699   O   170.7  97.1  87.0                                  
REMARK 620 5 HOH A 870   O    99.5 176.5  88.3  85.3                            
REMARK 620 6 HOH A 871   O    82.6  90.4 174.6  89.7  87.1                      
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 SO4 A 401                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 402                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 403                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 404                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 405                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 406                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SHF A 407                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 408                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 409                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL A 410                 
DBREF  1B4E A    2   324  UNP    P0ACB2   HEM2_ECOLI       1    323             
SEQADV 1B4E SER A    5  UNP  P0ACB2    ILE     4 CONFLICT                       
SEQADV 1B4E LYS A  134  UNP  P0ACB2    CYS   133 CONFLICT                       
SEQRES   1 A  323  THR ASP LEU SER GLN ARG PRO ARG ARG LEU ARG LYS SER          
SEQRES   2 A  323  PRO ALA LEU ARG ALA MET PHE GLU GLU THR THR LEU SER          
SEQRES   3 A  323  LEU ASN ASP LEU VAL LEU PRO ILE PHE VAL GLU GLU GLU          
SEQRES   4 A  323  ILE ASP ASP TYR LYS ALA VAL GLU ALA MET PRO GLY VAL          
SEQRES   5 A  323  MET ARG ILE PRO GLU LYS HIS LEU ALA ARG GLU ILE GLU          
SEQRES   6 A  323  ARG ILE ALA ASN ALA GLY ILE ARG SER VAL MET THR PHE          
SEQRES   7 A  323  GLY ILE SER HIS HIS THR ASP GLU THR GLY SER ASP ALA          
SEQRES   8 A  323  TRP ARG GLU ASP GLY LEU VAL ALA ARG MET SER ARG ILE          
SEQRES   9 A  323  CYS LYS GLN THR VAL PRO GLU MET ILE VAL MET SER ASP          
SEQRES  10 A  323  THR CYS PHE CYS GLU TYR THR SER HIS GLY HIS CYS GLY          
SEQRES  11 A  323  VAL LEU LYS GLU HIS GLY VAL ASP ASN ASP ALA THR LEU          
SEQRES  12 A  323  GLU ASN LEU GLY LYS GLN ALA VAL VAL ALA ALA ALA ALA          
SEQRES  13 A  323  GLY ALA ASP PHE ILE ALA PRO SER ALA ALA MET ASP GLY          
SEQRES  14 A  323  GLN VAL GLN ALA ILE ARG GLN ALA LEU ASP ALA ALA GLY          
SEQRES  15 A  323  PHE LYS ASP THR ALA ILE MET SER TYR SER THR LYS PHE          
SEQRES  16 A  323  ALA SER SER PHE TYR GLY PRO PHE ARG GLU ALA ALA GLY          
SEQRES  17 A  323  SER ALA LEU LYS GLY ASP ARG LYS SER TYR GLN MET ASN          
SEQRES  18 A  323  PRO MET ASN ARG ARG GLU ALA ILE ARG GLU SER LEU LEU          
SEQRES  19 A  323  ASP GLU ALA GLN GLY ALA ASP CYS LEU MET VAL LYS PRO          
SEQRES  20 A  323  ALA GLY ALA TYR LEU ASP ILE VAL ARG GLU LEU ARG GLU          
SEQRES  21 A  323  ARG THR GLU LEU PRO ILE GLY ALA TYR GLN VAL SER GLY          
SEQRES  22 A  323  GLU TYR ALA MET ILE LYS PHE ALA ALA LEU ALA GLY ALA          
SEQRES  23 A  323  ILE ASP GLU GLU LYS VAL VAL LEU GLU SER LEU GLY SER          
SEQRES  24 A  323  ILE LYS ARG ALA GLY ALA ASP LEU ILE PHE SER TYR PHE          
SEQRES  25 A  323  ALA LEU ASP LEU ALA GLU LYS LYS ILE LEU ARG                  
HET    SO4  A 401       5                                                       
HET    SO4  A 402       5                                                       
HET    SO4  A 403       5                                                       
HET     ZN  A 404       1                                                       
HET     ZN  A 405       1                                                       
HET     ZN  A 406       1                                                       
HET    SHF  A 407       7                                                       
HET    GOL  A 408       6                                                       
HET    GOL  A 409       6                                                       
HET    GOL  A 410       6                                                       
HETNAM     SO4 SULFATE ION                                                      
HETNAM      ZN ZINC ION                                                         
HETNAM     SHF LAEVULINIC ACID                                                  
HETNAM     GOL GLYCEROL                                                         
HETSYN     SHF LEVULINIC ACID                                                   
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   2  SO4    3(O4 S 2-)                                                   
FORMUL   5   ZN    3(ZN 2+)                                                     
FORMUL   8  SHF    C5 H8 O3                                                     
FORMUL   9  GOL    3(C3 H8 O3)                                                  
FORMUL  12  HOH   *371(H2 O)                                                    
HELIX    1   1 PRO A    8  LEU A   11  5                                   4    
HELIX    2   2 PRO A   15  PHE A   21  1                                   7    
HELIX    3   3 LEU A   28  ASP A   30  5                                   3    
HELIX    4   4 GLU A   58  ASN A   70  5                                  13    
HELIX    5   5 SER A   90  TRP A   93  5                                   4    
HELIX    6   6 LEU A   98  THR A  109  1                                  12    
HELIX    7   7 ASN A  140  ALA A  157  1                                  18    
HELIX    8   8 GLN A  171  ALA A  181  1                                  11    
HELIX    9   9 SER A  199  ALA A  208  5                                  10    
HELIX   10  10 ARG A  226  ALA A  238  1                                  13    
HELIX   11  11 GLY A  250  ARG A  260  5                                  11    
HELIX   12  12 SER A  273  LEU A  284  1                                  12    
HELIX   13  13 GLU A  290  ARG A  303  1                                  14    
HELIX   14  14 ALA A  314  GLU A  319  1                                   6    
SHEET    1   A 4 LEU A  33  GLU A  38  0                                        
SHEET    2   A 4 SER A  75  ILE A  81  1  N  MET A  77   O  LEU A  33           
SHEET    3   A 4 ILE A 114  THR A 119  1  N  ILE A 114   O  VAL A  76           
SHEET    4   A 4 PHE A 161  PRO A 164  1  N  PHE A 161   O  SER A 117           
SHEET    1   B 3 CYS A 243  VAL A 246  0                                        
SHEET    2   B 3 PRO A 266  TYR A 270  1  N  PRO A 266   O  LEU A 244           
SHEET    3   B 3 LEU A 308  PHE A 310  1  N  LEU A 308   O  ALA A 269           
LINK         NZ  LYS A 247                 C4  SHF A 407     1555   1555  1.28  
LINK         OE2 GLU A  40                ZN    ZN A 404     1555   1555  1.75  
LINK         OE1 GLU A  40                ZN    ZN A 404     1555   1555  2.54  
LINK         OE2 GLU A  40                ZN    ZN A 404    16445   1555  2.10  
LINK         NE2 HIS A  84                ZN    ZN A 404     1555   1555  2.19  
LINK         NE2 HIS A  84                ZN    ZN A 404    16445   1555  1.73  
LINK         SG  CYS A 120                ZN    ZN A 405     1555   1555  2.10  
LINK         SG  CYS A 122                ZN    ZN A 405     1555   1555  2.31  
LINK         SG  CYS A 130                ZN    ZN A 405     1555   1555  2.11  
LINK         OE1 GLU A 232                ZN    ZN A 406     1555   1555  2.15  
LINK        ZN    ZN A 405                 O   HOH A 869     1555   1555  1.71  
LINK        ZN    ZN A 406                 O   HOH A 697     1555   1555  2.06  
LINK        ZN    ZN A 406                 O   HOH A 698     1555   1555  2.03  
LINK        ZN    ZN A 406                 O   HOH A 699     1555   1555  2.15  
LINK        ZN    ZN A 406                 O   HOH A 870     1555   1555  1.97  
LINK        ZN    ZN A 406                 O   HOH A 871     1555   1555  1.88  
CISPEP   1 LYS A  247    PRO A  248          0        -1.14                     
SITE     1 AC1  6 PRO A  15  ARG A  18  LYS A 217  HOH A 536                    
SITE     2 AC1  6 HOH A 538  HOH A 776                                          
SITE     1 AC2  6 ARG A 226  ARG A 227  ARG A 257  HOH A 564                    
SITE     2 AC2  6 HOH A 728  HOH A 791                                          
SITE     1 AC3  5 SER A  14  LYS A 107  PRO A 111  HOH A 524                    
SITE     2 AC3  5 HOH A 861                                                     
SITE     1 AC4  2 GLU A  40  HIS A  84                                          
SITE     1 AC5  4 CYS A 120  CYS A 122  CYS A 130  HOH A 869                    
SITE     1 AC6  6 GLU A 232  HOH A 697  HOH A 698  HOH A 699                    
SITE     2 AC6  6 HOH A 870  HOH A 871                                          
SITE     1 AC7  9 PHE A  79  LYS A 195  TYR A 201  PHE A 204                    
SITE     2 AC7  9 LYS A 247  TYR A 270  VAL A 272  SER A 273                    
SITE     3 AC7  9 TYR A 312                                                     
SITE     1 AC8  4 GLU A 275  SER A 297  HOH A 746  HOH A 864                    
SITE     1 AC9  5 GLU A  22  LEU A 295  GLU A 296  HOH A 558                    
SITE     2 AC9  5 HOH A 717                                                     
SITE     1 BC1  4 ALA A 156  ALA A 182  PHE A 184  HOH A 656                    
CRYST1  126.700  126.700  141.600  90.00  90.00  90.00 I 4 2 2      16          
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      0.007893  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.007893  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.007062        0.00000