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Database: PDB
Entry: 3A0T
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HEADER    TRANSFERASE                             24-MAR-09   3A0T              
TITLE     CATALYTIC DOMAIN OF HISTIDINE KINASE THKA (TM1359) IN COMPLEX WITH ADP
TITLE    2 AND MG ION (TRIGONAL)                                                
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: SENSOR PROTEIN;                                            
COMPND   3 CHAIN: A;                                                            
COMPND   4 FRAGMENT: CATALYTIC DOMAIN;                                          
COMPND   5 SYNONYM: HISTIDINE KINASE THKA;                                      
COMPND   6 EC: 2.7.13.3;                                                        
COMPND   7 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: THERMOTOGA MARITIMA;                            
SOURCE   3 ORGANISM_TAXID: 2336;                                                
SOURCE   4 GENE: TM_1359;                                                       
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3);                       
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3) CODONPLUS RIL;                   
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PRSETA                                    
KEYWDS    ATP-LID, KINASE, PHOSPHOPROTEIN, TRANSFERASE, TWO-COMPONENT           
KEYWDS   2 REGULATORY SYSTEM                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.YAMADA,H.SUGIMOTO,M.KOBAYASHI,A.OHNO,H.NAKAMURA,Y.SHIRO             
REVDAT   5   03-APR-24 3A0T    1       REMARK                                   
REVDAT   4   13-MAR-24 3A0T    1       REMARK SEQADV LINK                       
REVDAT   3   10-JUL-13 3A0T    1       REMARK VERSN                             
REVDAT   2   17-NOV-09 3A0T    1       JRNL                                     
REVDAT   1   20-OCT-09 3A0T    0                                                
JRNL        AUTH   S.YAMADA,H.SUGIMOTO,M.KOBAYASHI,A.OHNO,H.NAKAMURA,Y.SHIRO    
JRNL        TITL   STRUCTURE OF PAS-LINKED HISTIDINE KINASE AND THE RESPONSE    
JRNL        TITL 2 REGULATOR COMPLEX                                            
JRNL        REF    STRUCTURE                     V.  17  1333 2009              
JRNL        REFN                   ISSN 0969-2126                               
JRNL        PMID   19836334                                                     
JRNL        DOI    10.1016/J.STR.2009.07.016                                    
REMARK   2                                                                      
REMARK   2 RESOLUTION.    1.91 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.2.0019                                      
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) : 1.91                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   COMPLETENESS FOR RANGE        (%) : 100.0                          
REMARK   3   NUMBER OF REFLECTIONS             : 22252                          
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) : 0.186                           
REMARK   3   R VALUE            (WORKING SET) : 0.185                           
REMARK   3   FREE R VALUE                     : 0.213                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.100                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1133                            
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) : 1.91                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 1.96                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 1506                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2110                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 81                           
REMARK   3   BIN FREE R VALUE                    : 0.2360                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1246                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 28                                      
REMARK   3   SOLVENT ATOMS            : 108                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 24.80                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 26.30                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 0.15000                                              
REMARK   3    B22 (A**2) : 0.15000                                              
REMARK   3    B33 (A**2) : -0.23000                                             
REMARK   3    B12 (A**2) : 0.08000                                              
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): 0.110         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.108         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.059         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 1.901         
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.951                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.930                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1363 ; 0.009 ; 0.022       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  1844 ; 1.930 ; 1.994       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   161 ; 6.769 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    69 ;34.697 ;24.348       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   269 ;17.443 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    12 ;15.472 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   203 ; 0.106 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  1011 ; 0.013 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):   624 ; 0.328 ; 0.200       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):   932 ; 0.339 ; 0.200       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):    73 ; 0.115 ; 0.200       
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):    53 ; 0.239 ; 0.200       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):    16 ; 0.169 ; 0.200       
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):   818 ; 3.306 ; 1.500       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1296 ; 4.258 ; 2.000       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   620 ; 6.164 ; 3.000       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):   544 ; 9.267 ; 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 : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : NULL                                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : 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: NULL                                      
REMARK   4                                                                      
REMARK   4 3A0T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 01-APR-09.                  
REMARK 100 THE DEPOSITION ID IS D_1000028668.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 28-SEP-06                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SPRING-8                           
REMARK 200  BEAMLINE                       : BL44B2                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.0                                
REMARK 200  MONOCHROMATOR                  : SI 111 DOUBLE CRYSTAL              
REMARK 200                                   MONOCHROMATOR                      
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 210                   
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 22342                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 1.910                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -3.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY                : 12.10                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.04900                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 51.6000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.91                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 1.98                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 100.0                              
REMARK 200  DATA REDUNDANCY IN SHELL       : 11.80                              
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.43200                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 6.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: REFMAC 5.2.0019                                       
REMARK 200 STARTING MODEL: NUCLEOTIDE FREE STRUCTURE                            
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 68.89                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.95                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 5% ISOPROPANOL, 2.0M AMMONIUM            
REMARK 280  SULPHATE, VAPOR DIFFUSION, TEMPERATURE 293K                         
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1                         
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   Y,X,-Z                                                  
REMARK 290       5555   X-Y,-Y,-Z+1/3                                           
REMARK 290       6555   -X,-X+Y,-Z+2/3                                          
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       60.83867            
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       30.41933            
REMARK 290   SMTRY1   4 -0.500000  0.866025  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.866025  0.500000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   5  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   5  0.000000  0.000000 -1.000000       30.41933            
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       60.83867            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: 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 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500    ARG A 755   CA  -  C   -  O   ANGL. DEV. =  15.4 DEGREES          
REMARK 500    ARG A 755   CA  -  C   -  O   ANGL. DEV. =  25.7 DEGREES          
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: TORSION ANGLES                                             
REMARK 500                                                                      
REMARK 500 TORSION ANGLES OUTSIDE THE EXPECTED RAMACHANDRAN REGIONS:            
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT:(10X,I3,1X,A3,1X,A1,I4,A1,4X,F7.2,3X,F7.2)                    
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES: GJ KLEYWEGT AND TA JONES (1996). PHI/PSI-           
REMARK 500 CHOLOGY: RAMACHANDRAN REVISITED. STRUCTURE 4, 1395 - 1400            
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        PSI       PHI                                   
REMARK 500    ASN A 639      110.57   -162.29                                   
REMARK 500    TYR A 680      -68.32     84.51                                   
REMARK 500    PHE A 706       -6.10     81.19                                   
REMARK 500    GLU A 739     -134.21     56.89                                   
REMARK 500    ASN A 740       43.14   -101.00                                   
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                              MG A 800  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 HOH A   2   O                                                      
REMARK 620 2 HOH A   3   O    92.3                                              
REMARK 620 3 HOH A   4   O    91.1  89.6                                        
REMARK 620 4 ASN A 661   OD1  84.9  86.3 174.2                                  
REMARK 620 5 ADP A 801   O2A  90.2 177.2  89.0  95.2                            
REMARK 620 6 ADP A 801   O1B 177.0  90.1  90.8  93.4  87.4                      
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 MG A 800                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE ADP A 801                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 3A0R   RELATED DB: PDB                                   
REMARK 900 STRUCTURE OF HISTIDINE KINASE THKA (TM1359) IN COMPLEX WITH          
REMARK 900 RESPONSE REGULATOR PROTEIN TRRA (TM1360)                             
REMARK 900 RELATED ID: 3A0S   RELATED DB: PDB                                   
REMARK 900 PAS DOMAIN OF HISTIDINE KINASE THKA (TM1359)                         
DBREF  3A0T A  605   755  UNP    Q9X180   Q9X180_THEMA   605    755             
SEQADV 3A0T MET A  604  UNP  Q9X180              EXPRESSION TAG                 
SEQRES   1 A  152  MET GLU PHE THR GLU PHE ASN LEU ASN GLU LEU ILE ARG          
SEQRES   2 A  152  GLU VAL TYR VAL LEU PHE GLU GLU LYS ILE ARG LYS MET          
SEQRES   3 A  152  ASN ILE ASP PHE CYS PHE GLU THR ASP ASN GLU ASP LEU          
SEQRES   4 A  152  ARG VAL GLU ALA ASP ARG THR ARG ILE LYS GLN VAL LEU          
SEQRES   5 A  152  ILE ASN LEU VAL GLN ASN ALA ILE GLU ALA THR GLY GLU          
SEQRES   6 A  152  ASN GLY LYS ILE LYS ILE THR SER GLU ASP MET TYR THR          
SEQRES   7 A  152  LYS VAL ARG VAL SER VAL TRP ASN SER GLY PRO PRO ILE          
SEQRES   8 A  152  PRO GLU GLU LEU LYS GLU LYS ILE PHE SER PRO PHE PHE          
SEQRES   9 A  152  THR THR LYS THR GLN GLY THR GLY LEU GLY LEU SER ILE          
SEQRES  10 A  152  CYS ARG LYS ILE ILE GLU ASP GLU HIS GLY GLY LYS ILE          
SEQRES  11 A  152  TRP THR GLU ASN ARG GLU ASN GLY VAL VAL PHE ILE PHE          
SEQRES  12 A  152  GLU ILE PRO LYS THR PRO GLU LYS ARG                          
HET     MG  A 800       1                                                       
HET    ADP  A 801      27                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     ADP ADENOSINE-5'-DIPHOSPHATE                                         
FORMUL   2   MG    MG 2+                                                        
FORMUL   3  ADP    C10 H15 N5 O10 P2                                            
FORMUL   4  HOH   *108(H2 O)                                                    
HELIX    1   1 LEU A  611  MET A  629  1                                  19    
HELIX    2   2 ASP A  647  GLY A  667  1                                  21    
HELIX    3   3 PRO A  695  LYS A  699  5                                   5    
HELIX    4   4 GLU A  700  SER A  704  5                                   5    
HELIX    5   5 LEU A  716  ASP A  727  1                                  12    
SHEET    1   A 2 THR A 607  ASN A 610  0                                        
SHEET    2   A 2 ARG A 643  ALA A 646 -1  O  ALA A 646   N  THR A 607           
SHEET    1   B 5 ASP A 632  THR A 637  0                                        
SHEET    2   B 5 LYS A 671  ASP A 678  1  O  ILE A 672   N  ASP A 632           
SHEET    3   B 5 LYS A 682  SER A 690 -1  O  TRP A 688   N  LYS A 673           
SHEET    4   B 5 GLY A 741  PRO A 749 -1  O  PHE A 744   N  VAL A 687           
SHEET    5   B 5 LYS A 732  ARG A 738 -1  N  GLU A 736   O  VAL A 743           
LINK         O   HOH A   2                MG    MG A 800     1555   1555  2.09  
LINK         O   HOH A   3                MG    MG A 800     1555   1555  2.14  
LINK         O   HOH A   4                MG    MG A 800     1555   1555  2.25  
LINK         OD1 ASN A 661                MG    MG A 800     1555   1555  2.09  
LINK        MG    MG A 800                 O2A ADP A 801     1555   1555  2.02  
LINK        MG    MG A 800                 O1B ADP A 801     1555   1555  2.04  
SITE     1 AC1  5 HOH A   2  HOH A   3  HOH A   4  ASN A 661                    
SITE     2 AC1  5 ADP A 801                                                     
SITE     1 AC2 24 HOH A   1  HOH A   2  HOH A   3  HOH A   4                    
SITE     2 AC2 24 HOH A   7  HOH A  16  HOH A  21  HOH A  44                    
SITE     3 AC2 24 ASN A 661  ALA A 665  ASN A 689  ILE A 694                    
SITE     4 AC2 24 ILE A 702  PHE A 707  THR A 708  THR A 709                    
SITE     5 AC2 24 LYS A 710  GLY A 713  THR A 714  GLY A 715                    
SITE     6 AC2 24 GLY A 717  LEU A 718  PHE A 744   MG A 800                    
CRYST1   72.943   72.943   91.258  90.00  90.00 120.00 P 32 2 1      6          
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      0.013709  0.007915  0.000000        0.00000                         
SCALE2      0.000000  0.015830  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.010958        0.00000                         
(ATOM LINES ARE NOT SHOWN.)
END                                                                             
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