HEADER    ISOMERASE                               18-MAR-01   1I9A              
TITLE     STRUCTURAL STUDIES OF CHOLESTEROL BIOSYNTHESIS: MEVALONATE 5-         
TITLE    2 DIPHOSPHATE DECARBOXYLASE AND ISOPENTENYL DIPHOSPHATE ISOMERASE      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: ISOPENTENYL-DIPHOSPHATE DELTA-ISOMERASE;                   
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 SYNONYM: DIMETHYLALLYL DIPHOSPHATE DELTA ISOMERASE;                  
COMPND   5 EC: 5.3.3.2;                                                         
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    ALPHA/BETA PROTEIN, ISOMERASE, MN2+, STRUCTURAL GENOMICS, PSI,        
KEYWDS   2 PROTEIN STRUCTURE INITIATIVE, NEW YORK SGX RESEARCH CENTER FOR       
KEYWDS   3 STRUCTURAL GENOMICS, NYSGXRC                                         
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.B.BONANNO,C.EDO,N.ESWAR,U.PIEPER,M.J.ROMANOWSKI,V.ILYIN,            
AUTHOR   2 S.E.GERCHMAN,H.KYCIA,F.W.STUDIER,A.SALI,S.K.BURLEY,NEW YORK SGX      
AUTHOR   3 RESEARCH CENTER FOR STRUCTURAL GENOMICS (NYSGXRC)                    
REVDAT   7   06-NOV-24 1I9A    1       REMARK                                   
REVDAT   6   03-FEB-21 1I9A    1       AUTHOR JRNL   REMARK LINK                
REVDAT   5   24-FEB-09 1I9A    1       VERSN                                    
REVDAT   4   25-JAN-05 1I9A    1       AUTHOR KEYWDS REMARK                     
REVDAT   3   29-MAY-02 1I9A    1       HETATM                                   
REVDAT   2   14-NOV-01 1I9A    1       JRNL   AUTHOR KEYWDS                     
REVDAT   1   28-MAR-01 1I9A    0                                                
JRNL        AUTH   J.B.BONANNO,C.EDO,N.ESWAR,U.PIEPER,M.J.ROMANOWSKI,V.ILYIN,   
JRNL        AUTH 2 S.E.GERCHMAN,H.KYCIA,F.W.STUDIER,A.SALI,S.K.BURLEY           
JRNL        TITL   STRUCTURAL GENOMICS OF ENZYMES INVOLVED IN STEROL/ISOPRENOID 
JRNL        TITL 2 BIOSYNTHESIS.                                                
JRNL        REF    PROC.NATL.ACAD.SCI.USA        V.  98 12896 2001              
JRNL        REFN                   ISSN 0027-8424                               
JRNL        PMID   11698677                                                     
JRNL        DOI    10.1073/PNAS.181466998                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.50 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
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) : 2.50                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 1.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : NULL                           
REMARK   3   NUMBER OF REFLECTIONS             : 36947                          
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) : 0.229                           
REMARK   3   FREE R VALUE                     : 0.279                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : NULL                            
REMARK   3   FREE R VALUE TEST SET COUNT      : 3638                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : NULL                            
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : NULL                         
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : NULL                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : NULL                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : NULL                         
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : NULL                         
REMARK   3   BIN R VALUE           (WORKING SET) : NULL                         
REMARK   3   BIN FREE R VALUE                    : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : NULL                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : NULL                         
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : NULL                         
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2820                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 2                                       
REMARK   3   SOLVENT ATOMS            : 261                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 47.00                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : NULL                           
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : NULL                                                 
REMARK   3    B22 (A**2) : NULL                                                 
REMARK   3    B33 (A**2) : NULL                                                 
REMARK   3    B12 (A**2) : NULL                                                 
REMARK   3    B13 (A**2) : NULL                                                 
REMARK   3    B23 (A**2) : NULL                                                 
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : NULL                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : NULL                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.390                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : NULL                            
REMARK   3   IMPROPER ANGLES        (DEGREES) : NULL                            
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : NULL                                      
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : NULL  ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : NULL                                                 
REMARK   3   KSOL        : NULL                                                 
REMARK   3   BSOL        : NULL                                                 
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1I9A COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 19-MAR-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000013065.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 18-DEC-00                          
REMARK 200  TEMPERATURE           (KELVIN) : 200                                
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : F2                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.97940, 0.97900                   
REMARK 200  MONOCHROMATOR                  : SAGITALLY FOCUSED SI(111)          
REMARK 200  OPTICS                         : NULL                               
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   : 34202                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.500                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 1.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.2                               
REMARK 200  DATA REDUNDANCY                : 3.700                              
REMARK 200  R MERGE                    (I) : 0.07000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 18.2000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.50                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.59                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.50                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.30800                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 3.500                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: MLPHARE                                               
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 62.31                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.26                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 8% PEG 8K, 15% PEG 1K 100MM NACL, PH     
REMARK 280  6.5, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 293K                
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2                        
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -Y+1/2,X+1/2,Z+1/4                                      
REMARK 290       4555   Y+1/2,-X+1/2,Z+3/4                                      
REMARK 290       5555   -X+1/2,Y+1/2,-Z+1/4                                     
REMARK 290       6555   X+1/2,-Y+1/2,-Z+3/4                                     
REMARK 290       7555   Y,X,-Z                                                  
REMARK 290       8555   -Y,-X,-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      102.23550            
REMARK 290   SMTRY1   3  0.000000 -1.000000  0.000000       36.37900            
REMARK 290   SMTRY2   3  1.000000  0.000000  0.000000       36.37900            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       51.11775            
REMARK 290   SMTRY1   4  0.000000  1.000000  0.000000       36.37900            
REMARK 290   SMTRY2   4 -1.000000  0.000000  0.000000       36.37900            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000      153.35325            
REMARK 290   SMTRY1   5 -1.000000  0.000000  0.000000       36.37900            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       36.37900            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       51.11775            
REMARK 290   SMTRY1   6  1.000000  0.000000  0.000000       36.37900            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       36.37900            
REMARK 290   SMTRY3   6  0.000000  0.000000 -1.000000      153.35325            
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      102.23550            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). SEE REMARK 350 FOR                     
REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S).                
REMARK 300 THE DIMER IN THE ASYMMETRIC UNIT DOES NOT HAVE BIOLOGICAL            
REMARK 300 SIGNIFICANCE.                                                        
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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                                                                      
REMARK 350 BIOMOLECULE: 2                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MSE A     1                                                      
REMARK 465     GLN A     2                                                      
REMARK 465     THR A     3                                                      
REMARK 465     LYS A   182                                                      
REMARK 465     MSE B  1001                                                      
REMARK 465     GLN B  1002                                                      
REMARK 465     THR B  1003                                                      
REMARK 465     LYS B  1182                                                      
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    VAL A 117   N   -  CA  -  C   ANGL. DEV. = -16.7 DEGREES          
REMARK 500    PRO B1100   C   -  N   -  CA  ANGL. DEV. =  10.9 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    THR A  26     -153.21   -139.16                                   
REMARK 500    ASP A  28       39.04   -148.15                                   
REMARK 500    TRP A  58       55.05     39.34                                   
REMARK 500    SER A  65      -78.12    -31.87                                   
REMARK 500    ILE A  98      -42.11   -138.32                                   
REMARK 500    THR B1026     -161.05   -125.49                                   
REMARK 500    ASP B1028       43.85   -146.14                                   
REMARK 500    SER B1065      -76.63    -20.32                                   
REMARK 500    TYR B1099       86.37   -154.45                                   
REMARK 500    TYR B1104      159.39    179.48                                   
REMARK 500    ASP B1133       -6.19    -55.25                                   
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                              MN A1001  MN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  25   NE2                                                    
REMARK 620 2 HIS A  32   NE2  85.9                                              
REMARK 620 3 HIS A  69   NE2  96.3 102.9                                        
REMARK 620 4 GLU A 114   OE2  88.2  85.7 170.5                                  
REMARK 620 5 GLU A 114   OE1  77.8 141.5 113.3  59.4                            
REMARK 620 6 GLU A 116   OE2 165.8 101.1  94.1  80.2  89.3                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MN B2001  MN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS B1025   NE2                                                    
REMARK 620 2 HIS B1032   NE2  87.5                                              
REMARK 620 3 HIS B1069   NE2  98.0 106.6                                        
REMARK 620 4 GLU B1114   OE1  78.3 136.8 115.6                                  
REMARK 620 5 GLU B1114   OE2  90.8  83.0 167.2  57.0                            
REMARK 620 6 GLU B1116   OE2 166.0 102.2  89.0  87.7  80.5                      
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 MN A 1001                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MN B 2001                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: NYSGXRC-P109A   RELATED DB: TARGETDB                     
DBREF  1I9A A    1   182  UNP    Q46822   IDI_ECOLI        1    182             
DBREF  1I9A B 1001  1182  UNP    Q46822   IDI_ECOLI        1    182             
SEQADV 1I9A MSE A  137  UNP  Q46822    MET   137 MODIFIED RESIDUE               
SEQADV 1I9A MSE A  162  UNP  Q46822    MET   162 MODIFIED RESIDUE               
SEQADV 1I9A MSE A  164  UNP  Q46822    MET   164 MODIFIED RESIDUE               
SEQADV 1I9A MSE B 1137  UNP  Q46822    MET   137 MODIFIED RESIDUE               
SEQADV 1I9A MSE B 1162  UNP  Q46822    MET   162 MODIFIED RESIDUE               
SEQADV 1I9A MSE B 1164  UNP  Q46822    MET   164 MODIFIED RESIDUE               
SEQRES   1 A  182  MSE GLN THR GLU HIS VAL ILE LEU LEU ASN ALA GLN GLY          
SEQRES   2 A  182  VAL PRO THR GLY THR LEU GLU LYS TYR ALA ALA HIS THR          
SEQRES   3 A  182  ALA ASP THR ARG LEU HIS LEU ALA PHE SER SER TRP LEU          
SEQRES   4 A  182  PHE ASN ALA LYS GLY GLN LEU LEU VAL THR ARG ARG ALA          
SEQRES   5 A  182  LEU SER LYS LYS ALA TRP PRO GLY VAL TRP THR ASN SER          
SEQRES   6 A  182  VAL CYS GLY HIS PRO GLN LEU GLY GLU SER ASN GLU ASP          
SEQRES   7 A  182  ALA VAL ILE ARG ARG CYS ARG TYR GLU LEU GLY VAL GLU          
SEQRES   8 A  182  ILE THR PRO PRO GLU SER ILE TYR PRO ASP PHE ARG TYR          
SEQRES   9 A  182  ARG ALA THR ASP PRO SER GLY ILE VAL GLU ASN GLU VAL          
SEQRES  10 A  182  CYS PRO VAL PHE ALA ALA ARG THR THR SER ALA LEU GLN          
SEQRES  11 A  182  ILE ASN ASP ASP GLU VAL MSE ASP TYR GLN TRP CYS ASP          
SEQRES  12 A  182  LEU ALA ASP VAL LEU HIS GLY ILE ASP ALA THR PRO TRP          
SEQRES  13 A  182  ALA PHE SER PRO TRP MSE VAL MSE GLN ALA THR ASN ARG          
SEQRES  14 A  182  GLU ALA ARG LYS ARG LEU SER ALA PHE THR GLN LEU LYS          
SEQRES   1 B  182  MSE GLN THR GLU HIS VAL ILE LEU LEU ASN ALA GLN GLY          
SEQRES   2 B  182  VAL PRO THR GLY THR LEU GLU LYS TYR ALA ALA HIS THR          
SEQRES   3 B  182  ALA ASP THR ARG LEU HIS LEU ALA PHE SER SER TRP LEU          
SEQRES   4 B  182  PHE ASN ALA LYS GLY GLN LEU LEU VAL THR ARG ARG ALA          
SEQRES   5 B  182  LEU SER LYS LYS ALA TRP PRO GLY VAL TRP THR ASN SER          
SEQRES   6 B  182  VAL CYS GLY HIS PRO GLN LEU GLY GLU SER ASN GLU ASP          
SEQRES   7 B  182  ALA VAL ILE ARG ARG CYS ARG TYR GLU LEU GLY VAL GLU          
SEQRES   8 B  182  ILE THR PRO PRO GLU SER ILE TYR PRO ASP PHE ARG TYR          
SEQRES   9 B  182  ARG ALA THR ASP PRO SER GLY ILE VAL GLU ASN GLU VAL          
SEQRES  10 B  182  CYS PRO VAL PHE ALA ALA ARG THR THR SER ALA LEU GLN          
SEQRES  11 B  182  ILE ASN ASP ASP GLU VAL MSE ASP TYR GLN TRP CYS ASP          
SEQRES  12 B  182  LEU ALA ASP VAL LEU HIS GLY ILE ASP ALA THR PRO TRP          
SEQRES  13 B  182  ALA PHE SER PRO TRP MSE VAL MSE GLN ALA THR ASN ARG          
SEQRES  14 B  182  GLU ALA ARG LYS ARG LEU SER ALA PHE THR GLN LEU LYS          
MODRES 1I9A MSE A  137  MET  SELENOMETHIONINE                                   
MODRES 1I9A MSE A  162  MET  SELENOMETHIONINE                                   
MODRES 1I9A MSE A  164  MET  SELENOMETHIONINE                                   
MODRES 1I9A MSE B 1137  MET  SELENOMETHIONINE                                   
MODRES 1I9A MSE B 1162  MET  SELENOMETHIONINE                                   
MODRES 1I9A MSE B 1164  MET  SELENOMETHIONINE                                   
HET    MSE  A 137       8                                                       
HET    MSE  A 162       8                                                       
HET    MSE  A 164       8                                                       
HET    MSE  B1137       8                                                       
HET    MSE  B1162       8                                                       
HET    MSE  B1164       8                                                       
HET     MN  A1001       1                                                       
HET     MN  B2001       1                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM      MN MANGANESE (II) ION                                               
FORMUL   1  MSE    6(C5 H11 N O2 SE)                                            
FORMUL   3   MN    2(MN 2+)                                                     
FORMUL   5  HOH   *261(H2 O)                                                    
HELIX    1   1 LYS A   21  HIS A   25  1                                   5    
HELIX    2   2 SER A   75  LEU A   88  1                                  14    
HELIX    3   3 ASP A  143  THR A  154  1                                  12    
HELIX    4   4 PRO A  155  ALA A  157  5                                   3    
HELIX    5   5 SER A  159  THR A  167  1                                   9    
HELIX    6   6 ASN A  168  PHE A  178  1                                  11    
HELIX    7   7 LYS B 1021  HIS B 1025  1                                   5    
HELIX    8   8 SER B 1075  GLY B 1089  1                                  15    
HELIX    9   9 ASP B 1143  THR B 1154  1                                  12    
HELIX   10  10 PRO B 1155  ALA B 1157  5                                   3    
HELIX   11  11 SER B 1159  ASN B 1168  1                                  10    
HELIX   12  12 ASN B 1168  THR B 1179  1                                  12    
SHEET    1   A 2 HIS A   5  LEU A   9  0                                        
SHEET    2   A 2 PRO A  15  GLU A  20 -1  N  THR A  16   O  LEU A   8           
SHEET    1   B 3 HIS A  32  LEU A  33  0                                        
SHEET    2   B 3 VAL A 113  VAL A 117  1  O  ASN A 115   N  HIS A  32           
SHEET    3   B 3 ARG A 103  THR A 107 -1  N  TYR A 104   O  GLU A 116           
SHEET    1   C 4 VAL A  66  GLY A  68  0                                        
SHEET    2   C 4 PHE A  35  PHE A  40 -1  N  PHE A  35   O  GLY A  68           
SHEET    3   C 4 VAL A 120  ARG A 124  1  N  PHE A 121   O  SER A  36           
SHEET    4   C 4 GLU A  96  TYR A  99 -1  N  GLU A  96   O  ALA A 122           
SHEET    1   D 3 TRP A  62  ASN A  64  0                                        
SHEET    2   D 3 LEU A  46  ARG A  51 -1  O  THR A  49   N  THR A  63           
SHEET    3   D 3 VAL A 136  CYS A 142 -1                                        
SHEET    1   E 2 HIS B1005  LEU B1009  0                                        
SHEET    2   E 2 PRO B1015  GLU B1020 -1  N  THR B1016   O  LEU B1008           
SHEET    1   F 3 HIS B1032  LEU B1033  0                                        
SHEET    2   F 3 VAL B1113  VAL B1117  1  O  ASN B1115   N  HIS B1032           
SHEET    3   F 3 ARG B1103  THR B1107 -1  O  TYR B1104   N  GLU B1116           
LINK         C   VAL A 136                 N   MSE A 137     1555   1555  1.33  
LINK         C   MSE A 137                 N   ASP A 138     1555   1555  1.33  
LINK         C   TRP A 161                 N   MSE A 162     1555   1555  1.33  
LINK         C   MSE A 162                 N   VAL A 163     1555   1555  1.32  
LINK         C   VAL A 163                 N   MSE A 164     1555   1555  1.33  
LINK         C   MSE A 164                 N   GLN A 165     1555   1555  1.33  
LINK         C   VAL B1136                 N   MSE B1137     1555   1555  1.34  
LINK         C   MSE B1137                 N   ASP B1138     1555   1555  1.33  
LINK         C   TRP B1161                 N   MSE B1162     1555   1555  1.33  
LINK         C   MSE B1162                 N   VAL B1163     1555   1555  1.33  
LINK         C   VAL B1163                 N   MSE B1164     1555   1555  1.34  
LINK         C   MSE B1164                 N   GLN B1165     1555   1555  1.33  
LINK         NE2 HIS A  25                MN    MN A1001     1555   1555  2.25  
LINK         NE2 HIS A  32                MN    MN A1001     1555   1555  2.18  
LINK         NE2 HIS A  69                MN    MN A1001     1555   1555  1.96  
LINK         OE2 GLU A 114                MN    MN A1001     1555   1555  2.27  
LINK         OE1 GLU A 114                MN    MN A1001     1555   1555  2.14  
LINK         OE2 GLU A 116                MN    MN A1001     1555   1555  2.13  
LINK         NE2 HIS B1025                MN    MN B2001     1555   1555  2.21  
LINK         NE2 HIS B1032                MN    MN B2001     1555   1555  2.27  
LINK         NE2 HIS B1069                MN    MN B2001     1555   1555  2.03  
LINK         OE1 GLU B1114                MN    MN B2001     1555   1555  2.07  
LINK         OE2 GLU B1114                MN    MN B2001     1555   1555  2.45  
LINK         OE2 GLU B1116                MN    MN B2001     1555   1555  2.22  
SITE     1 AC1  5 HIS A  25  HIS A  32  HIS A  69  GLU A 114                    
SITE     2 AC1  5 GLU A 116                                                     
SITE     1 AC2  5 HIS B1025  HIS B1032  HIS B1069  GLU B1114                    
SITE     2 AC2  5 GLU B1116                                                     
CRYST1   72.758   72.758  204.471  90.00  90.00  90.00 P 41 21 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      0.013744  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013744  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004891        0.00000