HEADER    TRANSFERASE                             15-JAN-08   3BY9              
TITLE     CRYSTAL STRUCTURE OF THE V. CHOLERAE HISTIDINE KINASE DCTB SENSOR     
TITLE    2 DOMAIN                                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SENSOR PROTEIN;                                            
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: RESIDUES 28-286;                                           
COMPND   5 EC: 2.7.13.3;                                                        
COMPND   6 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE;                                
SOURCE   3 GENE: VC1925;                                                        
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   6 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   7 EXPRESSION_SYSTEM_PLASMID: PET22B+                                   
KEYWDS    HISTIDINE KINASE SENSOR DOMAIN, PHOSPHOPROTEIN, TRANSFERASE, TWO-     
KEYWDS   2 COMPONENT REGULATORY SYSTEM                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.CHEUNG,W.A.HENDRICKSON                                              
REVDAT   6   30-OCT-24 3BY9    1       REMARK SEQADV LINK                       
REVDAT   5   25-OCT-17 3BY9    1       REMARK                                   
REVDAT   4   24-FEB-09 3BY9    1       VERSN                                    
REVDAT   3   11-NOV-08 3BY9    1       JRNL                                     
REVDAT   2   26-AUG-08 3BY9    1       JRNL   REMARK TITLE                      
REVDAT   1   12-AUG-08 3BY9    0                                                
JRNL        AUTH   J.CHEUNG,W.A.HENDRICKSON                                     
JRNL        TITL   CRYSTAL STRUCTURES OF C4-DICARBOXYLATE LIGAND COMPLEXES WITH 
JRNL        TITL 2 SENSOR DOMAINS OF HISTIDINE KINASES DCUS AND DCTB.           
JRNL        REF    J.BIOL.CHEM.                  V. 283 30256 2008              
JRNL        REFN                   ISSN 0021-9258                               
JRNL        PMID   18701447                                                     
JRNL        DOI    10.1074/JBC.M805253200                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
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 : NULL                                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.78                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1911155.375                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 64840                          
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) : 0.162                           
REMARK   3   FREE R VALUE                     : 0.199                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 3285                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.003                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 1.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.81                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 99.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 10058                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.1890                       
REMARK   3   BIN FREE R VALUE                    : 0.2370                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.40                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 572                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.010                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 4199                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 18                                      
REMARK   3   SOLVENT ATOMS            : 721                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 20.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 2.93000                                              
REMARK   3    B22 (A**2) : -2.62000                                             
REMARK   3    B33 (A**2) : -0.31000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.15                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.08                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.19                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.13                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.015                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 23.60                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.200                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 2.320 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 3.190 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.950 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 5.430 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.35                                                 
REMARK   3   BSOL        : 50.92                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : SIN_XPLOR_PAR.TXT                              
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : SIN_XPLOR_TOP.TXT                              
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 3BY9 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 28-JAN-08.                  
REMARK 100 THE DEPOSITION ID IS D_1000046106.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-FEB-03                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : NSLS                               
REMARK 200  BEAMLINE                       : X4A                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9637, 0.9788, 0.9791, 0.9946     
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : NULL                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 76821                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.600                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 98.4                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : 0.05700                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.5000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.60                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.66                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 91.8                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.39500                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: MAD                                            
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD                          
REMARK 200 SOFTWARE USED: SOLVE, DM 4.2                                         
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 49.55                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: ISOPROPANOL, CALCIUM ACETATE, PH 7.5,    
REMARK 280  VAPOR DIFFUSION, TEMPERATURE 277K                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21                       
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X+1/2,-Y,Z+1/2                                         
REMARK 290       3555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       4555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000       28.15550            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       57.09800            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       45.49100            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       57.09800            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       28.15550            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       45.49100            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1, 2                                                    
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC                  
REMARK 350 SOFTWARE USED: PISA                                                  
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     GLU A   286                                                      
REMARK 465     MSE B    27                                                      
REMARK 465     ARG B    28                                                      
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   OD1  ASN A   187     N    SER A   190              2.10            
REMARK 500   O    HOH A   375     O    HOH A   629              2.12            
REMARK 500   OE1  GLN A   140     O    HOH A   420              2.15            
REMARK 500   O    HOH A   465     O    HOH A   634              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    SER A 121      129.60    -37.53                                   
REMARK 500    LEU A 232     -132.39     50.35                                   
REMARK 500    GLN A 261       71.67   -107.26                                   
REMARK 500    GLN B 186       63.42   -113.39                                   
REMARK 500    GLN B 229       15.49     59.55                                   
REMARK 500    LEU B 232     -134.02     52.84                                   
REMARK 500    ILE B 236       69.21     60.09                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500    TYR B  31         0.08    SIDE CHAIN                              
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                              CA A   1  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 LEU A  62   O                                                      
REMARK 620 2 ASP A  66   OD1  92.9                                              
REMARK 620 3 HOH A 427   O    73.5 110.6                                        
REMARK 620 4 HOH A 428   O    91.7  83.7 159.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              CA A   2  CA                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A 263   OD1                                                    
REMARK 620 2 LYS A 284   O    96.9                                              
REMARK 620 3 HOH A 337   O    71.1  86.9                                        
REMARK 620 4 HOH A 425   O    84.6 172.4 100.6                                  
REMARK 620 5 HOH A 435   O    75.1  84.3 143.7  88.9                            
REMARK 620 6 HOH A 436   O   133.1  97.7  65.5  86.5 150.6                      
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 CA A 1                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CA A 2                    
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SIN A 287                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SIN B 288                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3BY8   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE E.COLI DCUS SENSOR DOMAIN                   
DBREF  3BY9 A   28   286  UNP    Q9KQS3   Q9KQS3_VIBCH    28    286             
DBREF  3BY9 B   28   286  UNP    Q9KQS3   Q9KQS3_VIBCH    28    286             
SEQADV 3BY9 MSE A   27  UNP  Q9KQS3              EXPRESSION TAG                 
SEQADV 3BY9 MSE B   27  UNP  Q9KQS3              EXPRESSION TAG                 
SEQRES   1 A  260  MSE ARG PHE GLN TYR GLN ALA LEU LEU ASN GLU HIS GLN          
SEQRES   2 A  260  SER GLN LEU ASP ARG PHE SER SER HIS ILE VAL ALA THR          
SEQRES   3 A  260  LEU ASP LYS TYR ALA HIS ILE PRO HIS LEU ILE SER LYS          
SEQRES   4 A  260  ASP LYS GLU LEU VAL ASP ALA LEU LEU SER ALA GLN ASN          
SEQRES   5 A  260  SER ALA GLN ILE ASP ILE THR ASN ARG TYR LEU GLU GLN          
SEQRES   6 A  260  VAL ASN GLU VAL ILE GLN ALA ALA ASP THR TYR LEU ILE          
SEQRES   7 A  260  ASP ARG PHE GLY ASN THR ILE ALA SER SER ASN TRP ASN          
SEQRES   8 A  260  LEU ASP ARG SER PHE ILE GLY ARG ASN PHE ALA TRP ARG          
SEQRES   9 A  260  PRO TYR PHE TYR LEU SER ILE ALA GLY GLN LYS SER GLN          
SEQRES  10 A  260  TYR PHE ALA LEU GLY SER THR SER GLY GLN ARG GLY TYR          
SEQRES  11 A  260  TYR TYR ALA TYR PRO VAL ILE TYR ALA ALA GLU ILE LEU          
SEQRES  12 A  260  GLY VAL ILE VAL VAL LYS MSE ASP LEU SER ALA ILE GLU          
SEQRES  13 A  260  GLN GLY TRP GLN ASN LYS SER SER TYR PHE VAL ALA THR          
SEQRES  14 A  260  ASP ASP HIS GLN VAL VAL PHE MSE SER SER GLN PRO ALA          
SEQRES  15 A  260  TRP LEU PHE HIS SER VAL ALA ASP LEU SER PRO ALA GLN          
SEQRES  16 A  260  LEU ASN ASP ILE ARG GLN SER GLN GLN TYR LEU ASP SER          
SEQRES  17 A  260  PRO ILE PRO SER LEU GLY TRP GLN GLY ASP LEU GLN ALA          
SEQRES  18 A  260  GLU GLN SER GLU TRP ARG LYS PRO GLU LYS HIS TRP LEU          
SEQRES  19 A  260  GLN ASP ASP TYR ILE VAL SER SER ARG PRO LEU PRO GLU          
SEQRES  20 A  260  LEU ALA LEU THR ILE ARG VAL LEU SER PRO LYS ILE GLU          
SEQRES   1 B  260  MSE ARG PHE GLN TYR GLN ALA LEU LEU ASN GLU HIS GLN          
SEQRES   2 B  260  SER GLN LEU ASP ARG PHE SER SER HIS ILE VAL ALA THR          
SEQRES   3 B  260  LEU ASP LYS TYR ALA HIS ILE PRO HIS LEU ILE SER LYS          
SEQRES   4 B  260  ASP LYS GLU LEU VAL ASP ALA LEU LEU SER ALA GLN ASN          
SEQRES   5 B  260  SER ALA GLN ILE ASP ILE THR ASN ARG TYR LEU GLU GLN          
SEQRES   6 B  260  VAL ASN GLU VAL ILE GLN ALA ALA ASP THR TYR LEU ILE          
SEQRES   7 B  260  ASP ARG PHE GLY ASN THR ILE ALA SER SER ASN TRP ASN          
SEQRES   8 B  260  LEU ASP ARG SER PHE ILE GLY ARG ASN PHE ALA TRP ARG          
SEQRES   9 B  260  PRO TYR PHE TYR LEU SER ILE ALA GLY GLN LYS SER GLN          
SEQRES  10 B  260  TYR PHE ALA LEU GLY SER THR SER GLY GLN ARG GLY TYR          
SEQRES  11 B  260  TYR TYR ALA TYR PRO VAL ILE TYR ALA ALA GLU ILE LEU          
SEQRES  12 B  260  GLY VAL ILE VAL VAL LYS MSE ASP LEU SER ALA ILE GLU          
SEQRES  13 B  260  GLN GLY TRP GLN ASN LYS SER SER TYR PHE VAL ALA THR          
SEQRES  14 B  260  ASP ASP HIS GLN VAL VAL PHE MSE SER SER GLN PRO ALA          
SEQRES  15 B  260  TRP LEU PHE HIS SER VAL ALA ASP LEU SER PRO ALA GLN          
SEQRES  16 B  260  LEU ASN ASP ILE ARG GLN SER GLN GLN TYR LEU ASP SER          
SEQRES  17 B  260  PRO ILE PRO SER LEU GLY TRP GLN GLY ASP LEU GLN ALA          
SEQRES  18 B  260  GLU GLN SER GLU TRP ARG LYS PRO GLU LYS HIS TRP LEU          
SEQRES  19 B  260  GLN ASP ASP TYR ILE VAL SER SER ARG PRO LEU PRO GLU          
SEQRES  20 B  260  LEU ALA LEU THR ILE ARG VAL LEU SER PRO LYS ILE GLU          
MODRES 3BY9 MSE A   27  MET  SELENOMETHIONINE                                   
MODRES 3BY9 MSE A  176  MET  SELENOMETHIONINE                                   
MODRES 3BY9 MSE A  203  MET  SELENOMETHIONINE                                   
MODRES 3BY9 MSE B  176  MET  SELENOMETHIONINE                                   
MODRES 3BY9 MSE B  203  MET  SELENOMETHIONINE                                   
HET    MSE  A  27       8                                                       
HET    MSE  A 176       8                                                       
HET    MSE  A 203       8                                                       
HET    MSE  B 176       8                                                       
HET    MSE  B 203       8                                                       
HET     CA  A   1       1                                                       
HET     CA  A   2       1                                                       
HET    SIN  A 287       8                                                       
HET    SIN  B 288       8                                                       
HETNAM     MSE SELENOMETHIONINE                                                 
HETNAM      CA CALCIUM ION                                                      
HETNAM     SIN SUCCINIC ACID                                                    
FORMUL   1  MSE    5(C5 H11 N O2 SE)                                            
FORMUL   3   CA    2(CA 2+)                                                     
FORMUL   5  SIN    2(C4 H6 O4)                                                  
FORMUL   7  HOH   *721(H2 O)                                                    
HELIX    1   1 MSE A   27  PHE A   29  5                                   3    
HELIX    2   2 GLN A   30  ASP A   54  1                                  25    
HELIX    3   3 HIS A   58  LYS A   65  1                                   8    
HELIX    4   4 ASP A   66  SER A   75  1                                  10    
HELIX    5   5 ASN A   78  GLN A   97  1                                  20    
HELIX    6   6 ARG A  130  ILE A  137  1                                   8    
HELIX    7   7 LEU A  178  GLY A  184  1                                   7    
HELIX    8   8 GLN A  206  LEU A  210  5                                   5    
HELIX    9   9 SER A  218  GLN A  229  1                                  12    
HELIX   10  10 PRO A  272  ALA A  275  5                                   4    
HELIX   11  11 TYR B   31  ASP B   54  1                                  24    
HELIX   12  12 HIS B   58  LYS B   65  1                                   8    
HELIX   13  13 ASP B   66  SER B   75  1                                  10    
HELIX   14  14 ASN B   78  GLN B   97  1                                  20    
HELIX   15  15 ARG B  130  ILE B  137  1                                   8    
HELIX   16  16 LEU B  178  GLN B  183  1                                   6    
HELIX   17  17 GLN B  206  LEU B  210  5                                   5    
HELIX   18  18 SER B  218  GLN B  229  1                                  12    
SHEET    1   A 5 THR A 110  SER A 113  0                                        
SHEET    2   A 5 ASP A 100  ASP A 105 -1  N  LEU A 103   O  ALA A 112           
SHEET    3   A 5 GLU A 167  MSE A 176 -1  O  VAL A 171   N  ILE A 104           
SHEET    4   A 5 ARG A 154  TYR A 164 -1  N  TYR A 156   O  MSE A 176           
SHEET    5   A 5 SER A 142  LEU A 147 -1  N  TYR A 144   O  TYR A 157           
SHEET    1   B 5 VAL A 201  SER A 204  0                                        
SHEET    2   B 5 TYR A 191  THR A 195 -1  N  ALA A 194   O  PHE A 202           
SHEET    3   B 5 LEU A 276  PRO A 283 -1  O  LEU A 281   N  TYR A 191           
SHEET    4   B 5 TYR A 264  LEU A 271 -1  N  ILE A 265   O  SER A 282           
SHEET    5   B 5 GLN A 249  TRP A 252 -1  N  SER A 250   O  VAL A 266           
SHEET    1   C 5 THR B 110  SER B 113  0                                        
SHEET    2   C 5 ASP B 100  ASP B 105 -1  N  LEU B 103   O  ALA B 112           
SHEET    3   C 5 GLU B 167  MSE B 176 -1  O  VAL B 171   N  ILE B 104           
SHEET    4   C 5 ARG B 154  TYR B 164 -1  N  TYR B 156   O  MSE B 176           
SHEET    5   C 5 SER B 142  LEU B 147 -1  N  TYR B 144   O  TYR B 157           
SHEET    1   D 5 VAL B 201  SER B 204  0                                        
SHEET    2   D 5 TYR B 191  THR B 195 -1  N  ALA B 194   O  PHE B 202           
SHEET    3   D 5 LEU B 276  PRO B 283 -1  O  LEU B 281   N  TYR B 191           
SHEET    4   D 5 TYR B 264  LEU B 271 -1  N  ARG B 269   O  ILE B 278           
SHEET    5   D 5 GLN B 249  TRP B 252 -1  N  SER B 250   O  VAL B 266           
LINK         C   MSE A  27                 N   ARG A  28     1555   1555  1.34  
LINK         C   LYS A 175                 N   MSE A 176     1555   1555  1.33  
LINK         C   MSE A 176                 N   ASP A 177     1555   1555  1.34  
LINK         C   PHE A 202                 N   MSE A 203     1555   1555  1.35  
LINK         C   MSE A 203                 N   SER A 204     1555   1555  1.33  
LINK         C   LYS B 175                 N   MSE B 176     1555   1555  1.34  
LINK         C   MSE B 176                 N   ASP B 177     1555   1555  1.34  
LINK         C   PHE B 202                 N   MSE B 203     1555   1555  1.34  
LINK         C   MSE B 203                 N   SER B 204     1555   1555  1.32  
LINK        CA    CA A   1                 O   LEU A  62     1555   1555  2.38  
LINK        CA    CA A   1                 OD1 ASP A  66     1555   1555  2.34  
LINK        CA    CA A   1                 O   HOH A 427     1555   1555  2.45  
LINK        CA    CA A   1                 O   HOH A 428     1555   1555  2.51  
LINK        CA    CA A   2                 OD1 ASP A 263     1555   1555  2.45  
LINK        CA    CA A   2                 O   LYS A 284     1555   1555  2.45  
LINK        CA    CA A   2                 O   HOH A 337     1555   1555  2.66  
LINK        CA    CA A   2                 O   HOH A 425     1555   1555  2.40  
LINK        CA    CA A   2                 O   HOH A 435     1555   1555  2.44  
LINK        CA    CA A   2                 O   HOH A 436     1555   1555  2.55  
SITE     1 AC1  6 LEU A  62  ASP A  66  HOH A 427  HOH A 428                    
SITE     2 AC1  6 LEU B  62  ASP B  66                                          
SITE     1 AC2  6 ASP A 263  LYS A 284  HOH A 337  HOH A 425                    
SITE     2 AC2  6 HOH A 435  HOH A 436                                          
SITE     1 AC3 11 TYR A 102  PHE A 122  PHE A 127  ARG A 130                    
SITE     2 AC3 11 TYR A 132  GLY A 148  SER A 149  THR A 150                    
SITE     3 AC3 11 SER A 151  TYR A 157  LYS A 175                               
SITE     1 AC4 11 TYR B 102  PHE B 122  PHE B 127  ARG B 130                    
SITE     2 AC4 11 TYR B 132  GLY B 148  SER B 149  THR B 150                    
SITE     3 AC4 11 SER B 151  TYR B 157  LYS B 175                               
CRYST1   56.311   90.982  114.196  90.00  90.00  90.00 P 21 21 21    8          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.017759  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.010991  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.008757        0.00000                         
HETATM    1  N   MSE A  27      40.663  68.629  35.018  1.00 54.60           N  
HETATM    2  CA  MSE A  27      40.611  68.774  33.541  1.00 52.51           C  
HETATM    3  C   MSE A  27      39.197  69.008  33.059  1.00 48.75           C  
HETATM    4  O   MSE A  27      38.979  69.819  32.149  1.00 44.82           O  
HETATM    5  CB  MSE A  27      41.217  67.549  32.862  1.00 60.02           C  
HETATM    6  CG  MSE A  27      42.736  67.515  32.989  1.00 69.61           C  
HETATM    7 SE   MSE A  27      43.476  69.240  32.455  1.00 94.44          SE  
HETATM    8  CE  MSE A  27      42.768  69.256  30.636  1.00 74.07           C