HEADER    SIGNALING PROTEIN                       24-MAY-01   1J98              
TITLE     THE 1.2 ANGSTROM STRUCTURE OF BACILLUS SUBTILIS LUXS                  
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: AUTOINDUCER-2 PRODUCTION PROTEIN LUXS;                     
COMPND   3 CHAIN: A;                                                            
COMPND   4 SYNONYM: AI-2 SYNTHESIS PROTEIN;                                     
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS;                              
SOURCE   3 ORGANISM_TAXID: 1423;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    AUTOINDUCER SYNTHESIS, SIGNALING PROTEIN                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.N.RUZHEINIKOV,S.K.DAS,S.E.SEDELNIKOVA,A.HARTLEY,S.J.FOSTER,         
AUTHOR   2 M.J.HORSBURGH,A.G.COX,C.W.MCCLEOD,A.MEKHALFIA,G.M.BLACKBURN,         
AUTHOR   3 D.W.RICE,P.J.BAKER                                                   
REVDAT   5   27-OCT-21 1J98    1       REMARK SEQADV LINK                       
REVDAT   4   13-JUL-11 1J98    1       VERSN                                    
REVDAT   3   24-FEB-09 1J98    1       VERSN                                    
REVDAT   2   31-OCT-01 1J98    1       JRNL                                     
REVDAT   1   06-JUN-01 1J98    0                                                
JRNL        AUTH   S.N.RUZHEINIKOV,S.K.DAS,S.E.SEDELNIKOVA,A.HARTLEY,           
JRNL        AUTH 2 S.J.FOSTER,M.J.HORSBURGH,A.G.COX,C.W.MCCLEOD,A.MEKHALFIA,    
JRNL        AUTH 3 G.M.BLACKBURN,D.W.RICE,P.J.BAKER                             
JRNL        TITL   THE 1.2 A STRUCTURE OF A NOVEL QUORUM-SENSING PROTEIN,       
JRNL        TITL 2 BACILLUS SUBTILIS LUXS                                       
JRNL        REF    J.MOL.BIOL.                   V. 313   111 2001              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   11601850                                                     
JRNL        DOI    10.1006/JMBI.2001.5027                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.K.DAS,S.E.SEDELNIKOVA,P.J.BAKER,S.N.RUZHEINIKOV,           
REMARK   1  AUTH 2 S.J.FOSTER,A.HARTLEY,M.J.HORSBURGH,D.W.RICE                  
REMARK   1  TITL   CLONING, PURIFICATION, CRYSTALLIZATION AND PRELIMINARY       
REMARK   1  TITL 2 CRYSTALLOGRAPHIC ANALYSIS OF BACILLUS SUBTILIS LUXS          
REMARK   1  REF    ACTA CRYSTALLOGR.,SECT.D      V.  57  1324 2001              
REMARK   1  REFN                   ISSN 0907-4449                               
REMARK   1  DOI    10.1107/S0907444901011611                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.20 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC                                               
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.20                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 10.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 96.5                           
REMARK   3   NUMBER OF REFLECTIONS             : 50614                          
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 + TEST SET) : 0.127                           
REMARK   3   R VALUE            (WORKING SET) : 0.126                           
REMARK   3   FREE R VALUE                     : 0.146                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 2714                            
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1225                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 1                                       
REMARK   3   SOLVENT ATOMS            : 217                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 13.60                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 16.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.78000                                              
REMARK   3    B22 (A**2) : 0.78000                                              
REMARK   3    B33 (A**2) : -1.18000                                             
REMARK   3    B12 (A**2) : 0.39000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): 0.031         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.031         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.025         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.056         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   DISTANCE RESTRAINTS.                    RMS    SIGMA               
REMARK   3    BOND LENGTH                     (A) : 0.012 ; NULL                
REMARK   3    ANGLE DISTANCE                  (A) : 1.563 ; 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) : 0.110 ; 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) : 4.245 ; NULL                 
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 6.065 ; NULL                 
REMARK   3   SIDE-CHAIN BOND              (A**2) : 9.269 ; NULL                 
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 11.793; NULL                 
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 1J98 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-MAY-01.                  
REMARK 100 THE DEPOSITION ID IS D_1000013518.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 09-APR-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 8.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SRS                                
REMARK 200  BEAMLINE                       : PX14.2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9780                             
REMARK 200  MONOCHROMATOR                  : NULL                               
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   : 53328                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.200                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 10.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 96.5                               
REMARK 200  DATA REDUNDANCY                : 5.500                              
REMARK 200  R MERGE                    (I) : 0.04800                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 32.9000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.20                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.22                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 63.3                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 2.70                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.25700                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR                          
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   (%): 39.56                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.50                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 1.8 - 2.4M AMMONIUM SULPHATE, 0.1M       
REMARK 280  TRIS-HCL, PH 8.0, VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 290K   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 65 2 2                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -Y,X-Y,Z+2/3                                            
REMARK 290       3555   -X+Y,-X,Z+1/3                                           
REMARK 290       4555   -X,-Y,Z+1/2                                             
REMARK 290       5555   Y,-X+Y,Z+1/6                                            
REMARK 290       6555   X-Y,X,Z+5/6                                             
REMARK 290       7555   Y,X,-Z+2/3                                              
REMARK 290       8555   X-Y,-Y,-Z                                               
REMARK 290       9555   -X,-X+Y,-Z+1/3                                          
REMARK 290      10555   -Y,-X,-Z+1/6                                            
REMARK 290      11555   -X+Y,Y,-Z+1/2                                           
REMARK 290      12555   X,X-Y,-Z+5/6                                            
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       99.72000            
REMARK 290   SMTRY1   3 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   3 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000  1.000000       49.86000            
REMARK 290   SMTRY1   4 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000  1.000000       74.79000            
REMARK 290   SMTRY1   5  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   5 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000       24.93000            
REMARK 290   SMTRY1   6  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000      124.65000            
REMARK 290   SMTRY1   7 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       99.72000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   9 -0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   9 -0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000 -1.000000       49.86000            
REMARK 290   SMTRY1  10  0.500000 -0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  10 -0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000 -1.000000       24.93000            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000       74.79000            
REMARK 290   SMTRY1  12  0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2  12  0.866025 -0.500000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000      124.65000            
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 300 REMARK: THE SECOND PART OF THE BIOLOGICAL ASSEMBLY IS GENERATED      
REMARK 300 BY THE TWO FOLD AXIS:  X, X-Y, 5/6-Z.                                
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,PQS                                              
REMARK 350 TOTAL BURIED SURFACE AREA: 4000 ANGSTROM**2                          
REMARK 350 SURFACE AREA OF THE COMPLEX: 12750 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -93.0 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  0.500000  0.866025  0.000000      -31.39000            
REMARK 350   BIOMT2   2  0.866025 -0.500000  0.000000       54.36907            
REMARK 350   BIOMT3   2  0.000000  0.000000 -1.000000      -24.93000            
REMARK 465                                                                      
REMARK 465 MISSING RESIDUES                                                     
REMARK 465 THE FOLLOWING RESIDUES WERE NOT LOCATED IN THE                       
REMARK 465 EXPERIMENT. (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 465 IDENTIFIER; SSSEQ=SEQUENCE NUMBER; I=INSERTION CODE.)                
REMARK 465                                                                      
REMARK 465   M RES C SSSEQI                                                     
REMARK 465     MET A     1                                                      
REMARK 465     PRO A     2                                                      
REMARK 465     SER A     3                                                      
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   405     O    HOH A   483              1.64            
REMARK 500   NH1  ARG A   142     O    HOH A   458              1.99            
REMARK 500   O    HOH A   301     O    HOH A   463              2.03            
REMARK 500   O    HOH A   417     O    HOH A   463              2.07            
REMARK 500   O    LEU A    59     OG1  THR A    63              2.16            
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   O    HOH A   401     O    HOH A   464     8565     2.00            
REMARK 500   OE1  GLU A    95     O    HOH A   471     8665     2.14            
REMARK 500   OD2  OCS A    84     O    HOH A   440    12564     2.18            
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    ASP A  30       10.91   -142.06                                   
REMARK 500    GLN A 128       73.15   -154.48                                   
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 300  ZN                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HIS A  54   NE2                                                    
REMARK 620 2 HIS A  58   NE2 103.1                                              
REMARK 620 3 CYS A 126   SG  102.2 113.4                                        
REMARK 620 4 HOH A 395   O   116.2 112.0 109.6                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ZN A 300                  
DBREF  1J98 A    1   157  UNP    O34667   LUXS_BACSU       1    157             
SEQADV 1J98 OCS A   84  UNP  O34667    CYS    84 MODIFIED RESIDUE               
SEQADV 1J98 THR A   96  UNP  O34667    PRO    96 ENGINEERED MUTATION            
SEQRES   1 A  157  MET PRO SER VAL GLU SER PHE GLU LEU ASP HIS ASN ALA          
SEQRES   2 A  157  VAL VAL ALA PRO TYR VAL ARG HIS CYS GLY VAL HIS LYS          
SEQRES   3 A  157  VAL GLY THR ASP GLY VAL VAL ASN LYS PHE ASP ILE ARG          
SEQRES   4 A  157  PHE CYS GLN PRO ASN LYS GLN ALA MET LYS PRO ASP THR          
SEQRES   5 A  157  ILE HIS THR LEU GLU HIS LEU LEU ALA PHE THR ILE ARG          
SEQRES   6 A  157  SER HIS ALA GLU LYS TYR ASP HIS PHE ASP ILE ILE ASP          
SEQRES   7 A  157  ILE SER PRO MET GLY OCS GLN THR GLY TYR TYR LEU VAL          
SEQRES   8 A  157  VAL SER GLY GLU THR THR SER ALA GLU ILE VAL ASP LEU          
SEQRES   9 A  157  LEU GLU ASP THR MET LYS GLU ALA VAL GLU ILE THR GLU          
SEQRES  10 A  157  ILE PRO ALA ALA ASN GLU LYS GLN CYS GLY GLN ALA LYS          
SEQRES  11 A  157  LEU HIS ASP LEU GLU GLY ALA LYS ARG LEU MET ARG PHE          
SEQRES  12 A  157  TRP LEU SER GLN ASP LYS GLU GLU LEU LEU LYS VAL PHE          
SEQRES  13 A  157  GLY                                                          
MODRES 1J98 OCS A   84  CYS  CYSTEINESULFONIC ACID                              
HET    OCS  A  84       9                                                       
HET     ZN  A 300       1                                                       
HETNAM     OCS CYSTEINESULFONIC ACID                                            
HETNAM      ZN ZINC ION                                                         
FORMUL   1  OCS    C3 H7 N O5 S                                                 
FORMUL   2   ZN    ZN 2+                                                        
FORMUL   3  HOH   *217(H2 O)                                                    
HELIX    1   1 VAL A    4  LEU A    9  5                                   6    
HELIX    2   2 LYS A   49  GLU A   69  1                                  21    
HELIX    3   3 THR A   97  VAL A  113  1                                  17    
HELIX    4   4 ASP A  133  SER A  146  1                                  14    
HELIX    5   5 ASP A  148  LEU A  153  1                                   6    
SHEET    1   A 4 TYR A  18  VAL A  27  0                                        
SHEET    2   A 4 GLY A  31  ARG A  39 -1  O  GLY A  31   N  VAL A  27           
SHEET    3   A 4 GLY A  87  GLY A  94 -1  O  TYR A  88   N  ILE A  38           
SHEET    4   A 4 PHE A  74  PRO A  81 -1  O  ASP A  75   N  SER A  93           
LINK         C   GLY A  83                 N   OCS A  84     1555   1555  1.33  
LINK         C   OCS A  84                 N   GLN A  85     1555   1555  1.33  
LINK         NE2 HIS A  54                ZN    ZN A 300     1555   1555  2.04  
LINK         NE2 HIS A  58                ZN    ZN A 300     1555   1555  2.06  
LINK         SG  CYS A 126                ZN    ZN A 300     1555   1555  2.30  
LINK        ZN    ZN A 300                 O   HOH A 395     1555   1555  2.08  
CISPEP   1 ALA A   16    PRO A   17          0        -7.33                     
SITE     1 AC1  4 HIS A  54  HIS A  58  CYS A 126  HOH A 395                    
CRYST1   62.780   62.780  149.580  90.00  90.00 120.00 P 65 2 2     12          
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      0.015929  0.009196  0.000000        0.00000                         
SCALE2      0.000000  0.018393  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006685        0.00000