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Database: PDB
Entry: 2YKH
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Original site: 2YKH 
HEADER    TRANSFERASE                             27-MAY-11   2YKH              
TITLE     SENSOR REGION OF A SENSOR HISTIDINE KINASE                            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROBABLE SENSOR HISTIDINE KINASE PDTAS;                    
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: GAF AND PAS DOMAINS, RESIDUES 1-303;                       
COMPND   5 SYNONYM: PDTAS;                                                      
COMPND   6 EC: 2.7.13.3;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: MYCOBACTERIUM TUBERCULOSIS;                     
SOURCE   3 ORGANISM_TAXID: 83332;                                               
SOURCE   4 STRAIN: H37RV;                                                       
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   8 EXPRESSION_SYSTEM_VARIANT: CC1;                                      
SOURCE   9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE  10 EXPRESSION_SYSTEM_PLASMID: PETM11RV3320CN-TERM                       
KEYWDS    TRANSFERASE, TWO-COMPONENT SYSTEM, GAF DOMAIN, PAS DOMAIN             
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    J.PREU,S.PANJIKAR,P.MORTH,R.JAISWAL,P.KARUNAKAR,P.A.TUCKER            
REVDAT   4   20-DEC-23 2YKH    1       REMARK                                   
REVDAT   3   17-JUL-19 2YKH    1       REMARK                                   
REVDAT   2   27-JUN-12 2YKH    1       JRNL                                     
REVDAT   1   06-JUN-12 2YKH    0                                                
JRNL        AUTH   J.PREU,S.PANJIKAR,P.MORTH,R.JAISWAL,P.KARUNAKAR,P.A.TUCKER   
JRNL        TITL   THE SENSOR REGION OF THE UBIQUITOUS CYTOSOLIC SENSOR KINASE, 
JRNL        TITL 2 PDTAS, CONTAINS PAS AND GAF DOMAIN SENSING MODULES.          
JRNL        REF    J.STRUCT.BIOL.                V. 177   498 2012              
JRNL        REFN                   ISSN 1047-8477                               
JRNL        PMID   22115998                                                     
JRNL        DOI    10.1016/J.JSB.2011.11.012                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.78 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.5.0072                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.78                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.88                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 97.6                           
REMARK   3   NUMBER OF REFLECTIONS             : 14178                          
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) : 0.251                           
REMARK   3   R VALUE            (WORKING SET) : 0.248                           
REMARK   3   FREE R VALUE                     : 0.299                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 6.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 932                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.78                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.85                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 855                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 83.38                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2990                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 63                           
REMARK   3   BIN FREE R VALUE                    : 0.4250                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3971                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 57                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 43.15                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.01000                                              
REMARK   3    B22 (A**2) : -0.01000                                             
REMARK   3    B33 (A**2) : 0.00000                                              
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 OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.457         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.349         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 17.231        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.880                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.826                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  4045 ; 0.012 ; 0.021       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  5515 ; 1.412 ; 1.962       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   528 ; 8.131 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   173 ;35.018 ;22.832       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   628 ;19.071 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    40 ;19.343 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   661 ; 0.103 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  3068 ; 0.007 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):  2629 ; 0.781 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  4223 ; 1.449 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  1416 ; 1.333 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  1291 ; 2.409 ; 4.500       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : 1                                 
REMARK   3                                                                      
REMARK   3  NCS GROUP NUMBER               : 1                                  
REMARK   3     CHAIN NAMES                    : A B                             
REMARK   3     NUMBER OF COMPONENTS NCS GROUP : 1                               
REMARK   3       COMPONENT C  SSSEQI  TO  C   SSSEQI   CODE                     
REMARK   3           1     A      1       A     286      2                      
REMARK   3           1     B      1       B     286      2                      
REMARK   3                   GROUP CHAIN        COUNT   RMS     WEIGHT          
REMARK   3   TIGHT POSITIONAL   1    A    (A):   1053 ;  0.05 ;  0.05           
REMARK   3   TIGHT POSITIONAL   1    B    (A):   1053 ;  0.05 ;  0.05           
REMARK   3   MEDIUM POSITIONAL  1    A    (A):    914 ;  0.05 ;  0.50           
REMARK   3   MEDIUM POSITIONAL  1    B    (A):    914 ;  0.05 ;  0.50           
REMARK   3   TIGHT THERMAL      1    A (A**2):   1053 ;  0.09 ;  0.50           
REMARK   3   TIGHT THERMAL      1    B (A**2):   1053 ;  0.09 ;  0.50           
REMARK   3   MEDIUM THERMAL     1    A (A**2):    914 ;  0.11 ;  2.00           
REMARK   3   MEDIUM THERMAL     1    B (A**2):    914 ;  0.11 ;  2.00           
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : BABINET MODEL WITH MASK                              
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.40                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS. U VALUES REFINED INDIVIDUALLY                            
REMARK   4                                                                      
REMARK   4 2YKH COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 27-MAY-11.                  
REMARK 100 THE DEPOSITION ID IS D_1290048454.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
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               : EMBL/DESY, HAMBURG                 
REMARK 200  BEAMLINE                       : X11                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.8501                             
REMARK 200  MONOCHROMATOR                  : SI 111                             
REMARK 200  OPTICS                         : MIRRORS                            
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MAR555 FLAT PANEL                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : XDS                                
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 15488                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 19.500                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 3.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY                : 6.900                              
REMARK 200  R MERGE                    (I) : 0.05000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 20.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.18000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.200                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AUTO-RICKSHAW                                         
REMARK 200 STARTING MODEL: PDB ENTRY 2YKF                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.19                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.29                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.5                                   
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       36.46000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       51.31650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       39.76750            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       51.31650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       36.46000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       39.76750            
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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
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 AUTHOR DETERMINED BIOLOGICAL UNIT: MONOMERIC                         
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     GLY A    -1                                                      
REMARK 465     ALA A     0                                                      
REMARK 465     MET A     1                                                      
REMARK 465     GLY A    89                                                      
REMARK 465     GLY A    90                                                      
REMARK 465     VAL A    91                                                      
REMARK 465     PRO A    92                                                      
REMARK 465     GLY A    93                                                      
REMARK 465     ARG A    94                                                      
REMARK 465     GLU A    95                                                      
REMARK 465     GLY A    96                                                      
REMARK 465     ALA A    97                                                      
REMARK 465     VAL A    98                                                      
REMARK 465     GLY A    99                                                      
REMARK 465     GLN A   100                                                      
REMARK 465     GLN A   101                                                      
REMARK 465     ASN A   102                                                      
REMARK 465     SER A   103                                                      
REMARK 465     CYS A   104                                                      
REMARK 465     GLN A   105                                                      
REMARK 465     HIS A   106                                                      
REMARK 465     ASP A   107                                                      
REMARK 465     GLY A   108                                                      
REMARK 465     ARG A   287                                                      
REMARK 465     ASP A   288                                                      
REMARK 465     ARG A   289                                                      
REMARK 465     ALA A   290                                                      
REMARK 465     LEU A   291                                                      
REMARK 465     ILE A   292                                                      
REMARK 465     SER A   293                                                      
REMARK 465     LYS A   294                                                      
REMARK 465     ASP A   295                                                      
REMARK 465     ALA A   296                                                      
REMARK 465     THR A   297                                                      
REMARK 465     ILE A   298                                                      
REMARK 465     ARG A   299                                                      
REMARK 465     GLU A   300                                                      
REMARK 465     ILE A   301                                                      
REMARK 465     HIS A   302                                                      
REMARK 465     HIS A   303                                                      
REMARK 465     GLY B    -1                                                      
REMARK 465     ALA B     0                                                      
REMARK 465     MET B     1                                                      
REMARK 465     GLY B    89                                                      
REMARK 465     GLY B    90                                                      
REMARK 465     VAL B    91                                                      
REMARK 465     PRO B    92                                                      
REMARK 465     GLY B    93                                                      
REMARK 465     ARG B    94                                                      
REMARK 465     GLU B    95                                                      
REMARK 465     GLY B    96                                                      
REMARK 465     ALA B    97                                                      
REMARK 465     VAL B    98                                                      
REMARK 465     GLY B    99                                                      
REMARK 465     GLN B   100                                                      
REMARK 465     GLN B   101                                                      
REMARK 465     ASN B   102                                                      
REMARK 465     SER B   103                                                      
REMARK 465     CYS B   104                                                      
REMARK 465     GLN B   105                                                      
REMARK 465     HIS B   106                                                      
REMARK 465     ASP B   107                                                      
REMARK 465     GLY B   108                                                      
REMARK 465     ARG B   287                                                      
REMARK 465     ASP B   288                                                      
REMARK 465     ARG B   289                                                      
REMARK 465     ALA B   290                                                      
REMARK 465     LEU B   291                                                      
REMARK 465     ILE B   292                                                      
REMARK 465     SER B   293                                                      
REMARK 465     LYS B   294                                                      
REMARK 465     ASP B   295                                                      
REMARK 465     ALA B   296                                                      
REMARK 465     THR B   297                                                      
REMARK 465     ILE B   298                                                      
REMARK 465     ARG B   299                                                      
REMARK 465     GLU B   300                                                      
REMARK 465     ILE B   301                                                      
REMARK 465     HIS B   302                                                      
REMARK 465     HIS B   303                                                      
REMARK 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER;           
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470     SER A  88    OG                                                  
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    60     O    HOH A  2004              2.13            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    PRO A 163   C   -  N   -  CD  ANGL. DEV. = -14.2 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    ASP A  48      -19.17    -42.51                                   
REMARK 500    PRO A 131      157.64    -49.06                                   
REMARK 500    PRO A 163      175.80    -24.73                                   
REMARK 500    ASP A 164     -179.30    145.11                                   
REMARK 500    ALA A 165      120.15    -19.00                                   
REMARK 500    ASP A 167       63.07   -162.42                                   
REMARK 500    MET A 170      -19.81     68.35                                   
REMARK 500    SER A 171      142.33   -170.06                                   
REMARK 500    LYS A 285       57.16   -100.41                                   
REMARK 500    ASP B  48      -30.90    -30.31                                   
REMARK 500    PRO B 163     -167.51    -66.57                                   
REMARK 500    ASP B 164     -141.79   -167.80                                   
REMARK 500    ALA B 165      115.74    -19.98                                   
REMARK 500    ASP B 167       60.73   -162.91                                   
REMARK 500    MET B 170      -17.73     65.87                                   
REMARK 500    SER B 171      138.09   -172.14                                   
REMARK 500    SER B 174      142.75    -34.17                                   
REMARK 500    THR B 208     -159.85    -97.47                                   
REMARK 500    LYS B 285       58.10   -100.61                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS                                         
REMARK 500                                                                      
REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH          
REMARK 500 CIS AND TRANS CONFORMATION.  CIS BONDS, IF ANY, ARE LISTED           
REMARK 500 ON CISPEP RECORDS.  TRANS IS DEFINED AS 180 +/- 30 AND               
REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES.                                  
REMARK 500                                 MODEL     OMEGA                      
REMARK 500 PHE A  162     PRO A  163                  -85.35                    
REMARK 500 PRO A  163     ASP A  164                  -66.92                    
REMARK 500 PRO B  163     ASP B  164                 -141.47                    
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 2YKF   RELATED DB: PDB                                   
REMARK 900 SENSOR REGION OF A SENSOR HISTIDINE KINASE                           
DBREF  2YKH A    1   303  UNP    O05846   PDTAS_MYCTU      1    303             
DBREF  2YKH B    1   303  UNP    O05846   PDTAS_MYCTU      1    303             
SEQADV 2YKH GLY A   -1  UNP  O05846              EXPRESSION TAG                 
SEQADV 2YKH ALA A    0  UNP  O05846              EXPRESSION TAG                 
SEQADV 2YKH GLY B   -1  UNP  O05846              EXPRESSION TAG                 
SEQADV 2YKH ALA B    0  UNP  O05846              EXPRESSION TAG                 
SEQRES   1 A  305  GLY ALA MET SER THR LEU GLY ASP LEU LEU ALA GLU HIS          
SEQRES   2 A  305  THR VAL LEU PRO GLY SER ALA VAL ASP HIS LEU HIS ALA          
SEQRES   3 A  305  VAL VAL GLY GLU TRP GLN LEU LEU ALA ASP LEU SER PHE          
SEQRES   4 A  305  ALA ASP TYR LEU MET TRP VAL ARG ARG ASP ASP GLY VAL          
SEQRES   5 A  305  LEU VAL CYS VAL ALA GLN CYS ARG PRO ASN THR GLY PRO          
SEQRES   6 A  305  THR VAL VAL HIS THR ASP ALA VAL GLY THR VAL VAL ALA          
SEQRES   7 A  305  ALA ASN SER MET PRO LEU VAL ALA ALA THR PHE SER GLY          
SEQRES   8 A  305  GLY VAL PRO GLY ARG GLU GLY ALA VAL GLY GLN GLN ASN          
SEQRES   9 A  305  SER CYS GLN HIS ASP GLY HIS SER VAL GLU VAL SER PRO          
SEQRES  10 A  305  VAL ARG PHE GLY ASP GLN VAL VAL ALA VAL LEU THR ARG          
SEQRES  11 A  305  HIS GLN PRO GLU LEU ALA ALA ARG ARG ARG SER GLY HIS          
SEQRES  12 A  305  LEU GLU THR ALA TYR ARG LEU CYS ALA THR ASP LEU LEU          
SEQRES  13 A  305  ARG MET LEU ALA GLU GLY THR PHE PRO ASP ALA GLY ASP          
SEQRES  14 A  305  VAL ALA MET SER ARG SER SER PRO ARG ALA GLY ASP GLY          
SEQRES  15 A  305  PHE ILE ARG LEU ASP VAL ASP GLY VAL VAL SER TYR ALA          
SEQRES  16 A  305  SER PRO ASN ALA LEU SER ALA TYR HIS ARG MET GLY LEU          
SEQRES  17 A  305  THR THR GLU LEU GLU GLY VAL ASN LEU ILE ASP ALA THR          
SEQRES  18 A  305  ARG PRO LEU ILE SER ASP PRO PHE GLU ALA HIS GLU VAL          
SEQRES  19 A  305  ASP GLU HIS VAL GLN ASP LEU LEU ALA GLY ASP GLY LYS          
SEQRES  20 A  305  GLY MET ARG MET GLU VAL ASP ALA GLY GLY ALA THR VAL          
SEQRES  21 A  305  LEU LEU ARG THR LEU PRO LEU VAL VAL ALA GLY ARG ASN          
SEQRES  22 A  305  VAL GLY ALA ALA ILE LEU ILE ARG ASP VAL THR GLU VAL          
SEQRES  23 A  305  LYS ARG ARG ASP ARG ALA LEU ILE SER LYS ASP ALA THR          
SEQRES  24 A  305  ILE ARG GLU ILE HIS HIS                                      
SEQRES   1 B  305  GLY ALA MET SER THR LEU GLY ASP LEU LEU ALA GLU HIS          
SEQRES   2 B  305  THR VAL LEU PRO GLY SER ALA VAL ASP HIS LEU HIS ALA          
SEQRES   3 B  305  VAL VAL GLY GLU TRP GLN LEU LEU ALA ASP LEU SER PHE          
SEQRES   4 B  305  ALA ASP TYR LEU MET TRP VAL ARG ARG ASP ASP GLY VAL          
SEQRES   5 B  305  LEU VAL CYS VAL ALA GLN CYS ARG PRO ASN THR GLY PRO          
SEQRES   6 B  305  THR VAL VAL HIS THR ASP ALA VAL GLY THR VAL VAL ALA          
SEQRES   7 B  305  ALA ASN SER MET PRO LEU VAL ALA ALA THR PHE SER GLY          
SEQRES   8 B  305  GLY VAL PRO GLY ARG GLU GLY ALA VAL GLY GLN GLN ASN          
SEQRES   9 B  305  SER CYS GLN HIS ASP GLY HIS SER VAL GLU VAL SER PRO          
SEQRES  10 B  305  VAL ARG PHE GLY ASP GLN VAL VAL ALA VAL LEU THR ARG          
SEQRES  11 B  305  HIS GLN PRO GLU LEU ALA ALA ARG ARG ARG SER GLY HIS          
SEQRES  12 B  305  LEU GLU THR ALA TYR ARG LEU CYS ALA THR ASP LEU LEU          
SEQRES  13 B  305  ARG MET LEU ALA GLU GLY THR PHE PRO ASP ALA GLY ASP          
SEQRES  14 B  305  VAL ALA MET SER ARG SER SER PRO ARG ALA GLY ASP GLY          
SEQRES  15 B  305  PHE ILE ARG LEU ASP VAL ASP GLY VAL VAL SER TYR ALA          
SEQRES  16 B  305  SER PRO ASN ALA LEU SER ALA TYR HIS ARG MET GLY LEU          
SEQRES  17 B  305  THR THR GLU LEU GLU GLY VAL ASN LEU ILE ASP ALA THR          
SEQRES  18 B  305  ARG PRO LEU ILE SER ASP PRO PHE GLU ALA HIS GLU VAL          
SEQRES  19 B  305  ASP GLU HIS VAL GLN ASP LEU LEU ALA GLY ASP GLY LYS          
SEQRES  20 B  305  GLY MET ARG MET GLU VAL ASP ALA GLY GLY ALA THR VAL          
SEQRES  21 B  305  LEU LEU ARG THR LEU PRO LEU VAL VAL ALA GLY ARG ASN          
SEQRES  22 B  305  VAL GLY ALA ALA ILE LEU ILE ARG ASP VAL THR GLU VAL          
SEQRES  23 B  305  LYS ARG ARG ASP ARG ALA LEU ILE SER LYS ASP ALA THR          
SEQRES  24 B  305  ILE ARG GLU ILE HIS HIS                                      
FORMUL   3  HOH   *57(H2 O)                                                     
HELIX    1   1 THR A    3  THR A   12  1                                  10    
HELIX    2   2 PRO A   15  TRP A   29  1                                  15    
HELIX    3   3 TRP A   29  PHE A   37  1                                   9    
HELIX    4   4 ALA A   76  SER A   79  5                                   4    
HELIX    5   5 MET A   80  PHE A   87  1                                   8    
HELIX    6   6 GLU A  132  ARG A  136  5                                   5    
HELIX    7   7 GLY A  140  GLU A  159  1                                  20    
HELIX    8   8 ARG A  176  ASP A  179  5                                   4    
HELIX    9   9 SER A  194  MET A  204  1                                  11    
HELIX   10  10 ASN A  214  ARG A  220  1                                   7    
HELIX   11  11 ASP A  225  LEU A  240  1                                  16    
HELIX   12  12 THR B    3  THR B   12  1                                  10    
HELIX   13  13 PRO B   15  TRP B   29  1                                  15    
HELIX   14  14 TRP B   29  PHE B   37  1                                   9    
HELIX   15  15 ALA B   76  SER B   79  5                                   4    
HELIX   16  16 MET B   80  SER B   88  1                                   9    
HELIX   17  17 GLU B  132  ARG B  136  5                                   5    
HELIX   18  18 GLY B  140  GLU B  159  1                                  20    
HELIX   19  19 ARG B  176  ASP B  179  5                                   4    
HELIX   20  20 SER B  194  GLY B  205  1                                  12    
HELIX   21  21 ASN B  214  ARG B  220  1                                   7    
HELIX   22  22 ASP B  225  LEU B  240  1                                  16    
SHEET    1  AA 5 VAL A  74  VAL A  75  0                                        
SHEET    2  AA 5 LEU A  51  CYS A  57 -1  O  LEU A  51   N  VAL A  75           
SHEET    3  AA 5 ASP A  39  ARG A  45 -1  O  TYR A  40   N  CYS A  57           
SHEET    4  AA 5 GLN A 121  GLN A 130 -1  O  VAL A 125   N  TRP A  43           
SHEET    5  AA 5 SER A 110  PHE A 118 -1  O  SER A 110   N  GLN A 130           
SHEET    1  AB 5 VAL A 190  ALA A 193  0                                        
SHEET    2  AB 5 PHE A 181  LEU A 184 -1  O  ARG A 183   N  SER A 191           
SHEET    3  AB 5 ARG A 270  ASP A 280 -1  O  ALA A 274   N  LEU A 184           
SHEET    4  AB 5 ALA A 256  VAL A 267 -1  O  LEU A 259   N  ARG A 279           
SHEET    5  AB 5 ARG A 248  ALA A 253 -1  O  MET A 249   N  LEU A 260           
SHEET    1  BA 5 VAL B  74  VAL B  75  0                                        
SHEET    2  BA 5 LEU B  51  CYS B  57 -1  O  LEU B  51   N  VAL B  75           
SHEET    3  BA 5 ASP B  39  ARG B  45 -1  O  TYR B  40   N  CYS B  57           
SHEET    4  BA 5 GLN B 121  GLN B 130 -1  O  VAL B 125   N  TRP B  43           
SHEET    5  BA 5 SER B 110  PHE B 118 -1  O  SER B 110   N  GLN B 130           
SHEET    1  BB 5 VAL B 190  ALA B 193  0                                        
SHEET    2  BB 5 PHE B 181  LEU B 184 -1  O  ARG B 183   N  SER B 191           
SHEET    3  BB 5 ARG B 270  ASP B 280 -1  O  ALA B 274   N  LEU B 184           
SHEET    4  BB 5 ALA B 256  VAL B 267 -1  O  LEU B 259   N  ARG B 279           
SHEET    5  BB 5 ARG B 248  ALA B 253 -1  O  MET B 249   N  LEU B 260           
CISPEP   1 PHE B  162    PRO B  163          0       -27.06                     
CRYST1   72.920   79.535  102.633  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      0.013714  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.012573  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009743        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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