HEADER    TRANSCRIPTION REGULATOR                 08-MAR-02   1L5Y              
TITLE     CRYSTAL STRUCTURE OF MG2+ / BEF3-BOUND RECEIVER DOMAIN OF             
TITLE    2 SINORHIZOBIUM MELILOTI DCTD                                          
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: C4-DICARBOXYLATE TRANSPORT TRANSCRIPTIONAL REGULATORY      
COMPND   3 PROTEIN DCTD;                                                        
COMPND   4 CHAIN: A, B;                                                         
COMPND   5 FRAGMENT: RECEIVER DOMAIN, RESIDUES 2-143;                           
COMPND   6 SYNONYM: DCTDNL;                                                     
COMPND   7 ENGINEERED: YES;                                                     
COMPND   8 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: SINORHIZOBIUM MELILOTI;                         
SOURCE   3 ORGANISM_TAXID: 382;                                                 
SOURCE   4 GENE: DCTD;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: BL21/DE3/PLYSS;                            
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PT143E121K                                
KEYWDS    BERYLLOFLUORIDE BOUND TWO COMPONENT RECEIVER DOMAIN, TRANSCRIPTION    
KEYWDS   2 REGULATOR                                                            
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.PARK,M.MEYER,A.D.JONES,H.P.YENNAWAR,N.H.YENNAWAR,B.T.NIXON          
REVDAT   7   16-AUG-23 1L5Y    1       REMARK                                   
REVDAT   6   27-OCT-21 1L5Y    1       REMARK SEQADV LINK                       
REVDAT   5   25-OCT-17 1L5Y    1       REMARK                                   
REVDAT   4   13-JUL-11 1L5Y    1       VERSN                                    
REVDAT   3   24-FEB-09 1L5Y    1       VERSN                                    
REVDAT   2   11-DEC-02 1L5Y    1       JRNL                                     
REVDAT   1   23-OCT-02 1L5Y    0                                                
JRNL        AUTH   S.PARK,M.MEYER,A.D.JONES,H.P.YENNAWAR,N.H.YENNAWAR,B.T.NIXON 
JRNL        TITL   TWO-COMPONENT SIGNALING IN THE AAA + ATPASE DCTD: BINDING    
JRNL        TITL 2 MG2+ AND BEF3- SELECTS BETWEEN ALTERNATE DIMERIC STATES OF   
JRNL        TITL 3 THE RECEIVER DOMAIN                                          
JRNL        REF    FASEB J.                      V.  16  1964 2002              
JRNL        REFN                   ISSN 0892-6638                               
JRNL        PMID   12368235                                                     
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   M.G.MEYER,S.PARK,L.ZERINGUE,M.STALEY,M.MCKINSTRY,            
REMARK   1  AUTH 2 R.I.KAUFMAN,H.ZHANG,D.YAN,N.YENNAWAR,H.YENNAWAR,G.K.FARBER,  
REMARK   1  AUTH 3 B.T.NIXON                                                    
REMARK   1  TITL   A DIMERIC TWO-COMPONENT RECEIVER DOMAIN INHIBITS THE         
REMARK   1  TITL 2 SIGMA54-DEPENDENT ATPASE IN DCTD                             
REMARK   1  REF    FASEB J.                      V.  15  1326 2001              
REMARK   1  REFN                   ISSN 0892-6638                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.10 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.0                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 19.87                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 259666.550                     
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 99.3                           
REMARK   3   NUMBER OF REFLECTIONS             : 18672                          
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) : 0.184                           
REMARK   3   FREE R VALUE                     : 0.229                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 9.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1840                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.005                           
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) : 2.10                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.23                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 2754                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2040                       
REMARK   3   BIN FREE R VALUE                    : 0.2680                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 10.10                        
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 310                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.015                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2220                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 75                                      
REMARK   3   SOLVENT ATOMS            : 224                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 12.20                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 18.80                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 1.71000                                              
REMARK   3    B22 (A**2) : -2.60000                                             
REMARK   3    B33 (A**2) : 0.88000                                              
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) : 0.20                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.14                            
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) : 0.26                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.20                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.014                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.700                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.050                           
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) : 1.510 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.020 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.670 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.580 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.42                                                 
REMARK   3   BSOL        : 58.54                                                
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_REP1.PARAM                             
REMARK   3  PARAMETER FILE  2  : WATER.PARAM                                    
REMARK   3  PARAMETER FILE  3  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  4  : CRY.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  PARAMETER FILE  6  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : NULL                                           
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3  TOPOLOGY FILE  4   : NULL                                           
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3  TOPOLOGY FILE  6   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1L5Y COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 20-MAR-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000015676.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 25-SEP-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 100                                
REMARK 200  PH                             : 7.0                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : N                                  
REMARK 200  RADIATION SOURCE               : ROTATING ANODE                     
REMARK 200  BEAMLINE                       : NULL                               
REMARK 200  X-RAY GENERATOR MODEL          : RIGAKU RU200                       
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.5418                             
REMARK 200  MONOCHROMATOR                  : MSC BLUE CONFOCAL OPTICAL SYSTEM   
REMARK 200  OPTICS                         : MSC BLUE CONFOCAL OPTICAL SYSTEM   
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : RIGAKU RAXIS IV++                  
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : D*TREK, CRYSTALCLEAR               
REMARK 200                                   (MSC/RIGAKU)                       
REMARK 200  DATA SCALING SOFTWARE          : D*TREK                             
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 18672                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.100                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 43.240                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 93.9                               
REMARK 200  DATA REDUNDANCY                : 3.740                              
REMARK 200  R MERGE                    (I) : 0.10500                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 4.9000                             
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.18                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 94.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 1.96                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.23000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.000                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: PDB ENTRY 1QKK                                       
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 46.77                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.31                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, LITHIUM SULFATE, HEPES,        
REMARK 280  BERYLLIUM CHLORIDE, SODIUM FLUORIDE, MAGNESIUM CHLORIDE, PH 7.0,    
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                     
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       26.00250            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       38.92650            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       38.41850            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       38.92650            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       26.00250            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       38.41850            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT             
REMARK 300 WHICH CONSISTS OF 2 CHAIN(S). IN THIS ENTRY CHAIN A AND              
REMARK 300 B FORM THE DIMER THAT IS MOST LIKELY TO BE BIOLOGICALLY              
REMARK 300 RELEVANT, BASED ON ITS USE OF THE SIGNALING SURFACE AS               
REMARK 300 A DIMER INTERFACE AND UPON STRONG SIMILARITY TO FIXJ.                
REMARK 300 HOWEVER, OTHER DIMER FORMS ARE PRESENT IN THE CRYSTAL                
REMARK 300 LATTICE.                                                             
REMARK 350                                                                      
REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN           
REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE                
REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS          
REMARK 350 GIVEN BELOW.  BOTH NON-CRYSTALLOGRAPHIC AND                          
REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN.                               
REMARK 350                                                                      
REMARK 350 BIOMOLECULE: 1                                                       
REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC                           
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, 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     SER A     2                                                      
REMARK 465     ALA A     3                                                      
REMARK 465     ALA A     4                                                      
REMARK 465     ALA A   148                                                      
REMARK 465     LEU A   149                                                      
REMARK 465     GLU A   150                                                      
REMARK 465     HIS A   151                                                      
REMARK 465     HIS A   152                                                      
REMARK 465     HIS A   153                                                      
REMARK 465     HIS A   154                                                      
REMARK 465     HIS A   155                                                      
REMARK 465     HIS A   156                                                      
REMARK 465     SER B   202                                                      
REMARK 465     HIS B   354                                                      
REMARK 465     HIS B   355                                                      
REMARK 465     HIS B   356                                                      
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     GLU A 137    CG   CD   OE1  OE2                                  
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  74      103.63   -161.81                                   
REMARK 500    ASP B 274       99.40   -164.47                                   
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 701  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  12   OD1                                                    
REMARK 620 2 ASP A  55   OD2  86.0                                              
REMARK 620 3 ARG A  57   O    95.7  94.6                                        
REMARK 620 4 BEF A 660   F1  174.1  93.1  90.2                                  
REMARK 620 5 HOH A 709   O    86.1  86.4 178.0  88.1                            
REMARK 620 6 HOH A 710   O    88.2 173.4  89.1  92.3  90.1                      
REMARK 620 N                    1     2     3     4     5                       
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             BEF A 660  BE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP A  55   OD1                                                    
REMARK 620 2 BEF A 660   F1  117.1                                              
REMARK 620 3 BEF A 660   F2  112.3 109.0                                        
REMARK 620 4 BEF A 660   F3   97.3 108.8 111.8                                  
REMARK 620 5  MG A 701  MG    81.6  35.9 123.1 121.0                            
REMARK 620 N                    1     2     3     4                             
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                              MG B 702  MG                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 212   OD1                                                    
REMARK 620 2 ASP B 255   OD2  88.3                                              
REMARK 620 3 ARG B 257   O    93.3  86.9                                        
REMARK 620 4 ARG B 257   O    93.6  88.5   1.6                                  
REMARK 620 5 BEF B 661   F1  166.7  79.0  90.3  90.3                            
REMARK 620 6 HOH B 743   O    87.6  87.5 174.3 175.8  87.6                      
REMARK 620 7 HOH B 744   O    98.3 172.2  88.6  87.0  94.6  96.8                
REMARK 620 N                    1     2     3     4     5     6                 
REMARK 620                                                                      
REMARK 620 COORDINATION ANGLES FOR:  M RES CSSEQI METAL                         
REMARK 620                             BEF B 661  BE                            
REMARK 620 N RES CSSEQI ATOM                                                    
REMARK 620 1 ASP B 255   OD1                                                    
REMARK 620 2 BEF B 661   F1  117.7                                              
REMARK 620 3 BEF B 661   F2  107.8 108.1                                        
REMARK 620 4 BEF B 661   F3  102.8 110.6 109.5                                  
REMARK 620 N                    1     2     3                                   
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 701                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG B 702                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 703                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 704                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 706                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 707                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEF A 660                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEF B 661                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF2 A 662                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF2 A 663                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF2 A 664                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF2 A 665                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF2 B 666                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF2 A 667                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF2 B 668                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF2 A 669                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF2 A 670                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: BC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF2 A 671                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BEF B 672                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE BF4 A 673                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: CC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE GOL B 674                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1QKK   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE RECEIVER DOMAIN AND LINKER REGION OF DCTD   
REMARK 900 FROM SINORHIZOBIUM MELILOTI                                          
REMARK 900 RELATED ID: 1L5Z   RELATED DB: PDB                                   
REMARK 900 CRYSTAL STRUCTURE OF THE E121K SUBSTITUTION OF THE RECEIVER DOMAIN   
REMARK 900 OF SINORHIZOBIUM MELILOTI DCTD                                       
DBREF  1L5Y A    2   143  UNP    P13632   DCTD_RHIME       2    143             
DBREF  1L5Y B  202   343  UNP    P13632   DCTD_RHIME       2    143             
SEQADV 1L5Y LYS A  121  UNP  P13632    GLU   121 ENGINEERED MUTATION            
SEQADV 1L5Y LYS A  144  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y LEU A  145  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y ALA A  146  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y ALA A  147  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y ALA A  148  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y LEU A  149  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y GLU A  150  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS A  151  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS A  152  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS A  153  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS A  154  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS A  155  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS A  156  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y LYS B  321  UNP  P13632    GLU   121 ENGINEERED MUTATION            
SEQADV 1L5Y LYS B  344  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y LEU B  345  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y ALA B  346  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y ALA B  347  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y ALA B  348  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y LEU B  349  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y GLU B  350  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS B  351  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS B  352  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS B  353  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS B  354  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS B  355  UNP  P13632              EXPRESSION TAG                 
SEQADV 1L5Y HIS B  356  UNP  P13632              EXPRESSION TAG                 
SEQRES   1 A  155  SER ALA ALA PRO SER VAL PHE LEU ILE ASP ASP ASP ARG          
SEQRES   2 A  155  ASP LEU ARG LYS ALA MET GLN GLN THR LEU GLU LEU ALA          
SEQRES   3 A  155  GLY PHE THR VAL SER SER PHE ALA SER ALA THR GLU ALA          
SEQRES   4 A  155  LEU ALA GLY LEU SER ALA ASP PHE ALA GLY ILE VAL ILE          
SEQRES   5 A  155  SER ASP ILE ARG MET PRO GLY MET ASP GLY LEU ALA LEU          
SEQRES   6 A  155  PHE ARG LYS ILE LEU ALA LEU ASP PRO ASP LEU PRO MET          
SEQRES   7 A  155  ILE LEU VAL THR GLY HIS GLY ASP ILE PRO MET ALA VAL          
SEQRES   8 A  155  GLN ALA ILE GLN ASP GLY ALA TYR ASP PHE ILE ALA LYS          
SEQRES   9 A  155  PRO PHE ALA ALA ASP ARG LEU VAL GLN SER ALA ARG ARG          
SEQRES  10 A  155  ALA GLU LYS LYS ARG ARG LEU VAL MET GLU ASN ARG SER          
SEQRES  11 A  155  LEU ARG ARG ALA ALA GLU ALA ALA SER GLU GLY LEU LYS          
SEQRES  12 A  155  LEU ALA ALA ALA LEU GLU HIS HIS HIS HIS HIS HIS              
SEQRES   1 B  155  SER ALA ALA PRO SER VAL PHE LEU ILE ASP ASP ASP ARG          
SEQRES   2 B  155  ASP LEU ARG LYS ALA MET GLN GLN THR LEU GLU LEU ALA          
SEQRES   3 B  155  GLY PHE THR VAL SER SER PHE ALA SER ALA THR GLU ALA          
SEQRES   4 B  155  LEU ALA GLY LEU SER ALA ASP PHE ALA GLY ILE VAL ILE          
SEQRES   5 B  155  SER ASP ILE ARG MET PRO GLY MET ASP GLY LEU ALA LEU          
SEQRES   6 B  155  PHE ARG LYS ILE LEU ALA LEU ASP PRO ASP LEU PRO MET          
SEQRES   7 B  155  ILE LEU VAL THR GLY HIS GLY ASP ILE PRO MET ALA VAL          
SEQRES   8 B  155  GLN ALA ILE GLN ASP GLY ALA TYR ASP PHE ILE ALA LYS          
SEQRES   9 B  155  PRO PHE ALA ALA ASP ARG LEU VAL GLN SER ALA ARG ARG          
SEQRES  10 B  155  ALA GLU LYS LYS ARG ARG LEU VAL MET GLU ASN ARG SER          
SEQRES  11 B  155  LEU ARG ARG ALA ALA GLU ALA ALA SER GLU GLY LEU LYS          
SEQRES  12 B  155  LEU ALA ALA ALA LEU GLU HIS HIS HIS HIS HIS HIS              
HET     MG  A 701       1                                                       
HET    SO4  A 706       5                                                       
HET    SO4  A 707       5                                                       
HET    BEF  A 660       4                                                       
HET    BF2  A 662       3                                                       
HET    BF2  A 663       3                                                       
HET    BF2  A 664       3                                                       
HET    BF2  A 665       3                                                       
HET    BF2  A 667       3                                                       
HET    BF2  A 669       3                                                       
HET    BF2  A 670       3                                                       
HET    BF2  A 671       3                                                       
HET    BF4  A 673       5                                                       
HET     MG  B 702       1                                                       
HET    SO4  B 703       5                                                       
HET    SO4  B 704       5                                                       
HET    BEF  B 661       4                                                       
HET    BF2  B 666       3                                                       
HET    BF2  B 668       3                                                       
HET    BEF  B 672       4                                                       
HET    GOL  B 674       6                                                       
HETNAM      MG MAGNESIUM ION                                                    
HETNAM     SO4 SULFATE ION                                                      
HETNAM     BEF BERYLLIUM TRIFLUORIDE ION                                        
HETNAM     BF2 BERYLLIUM DIFLUORIDE                                             
HETNAM     BF4 BERYLLIUM TETRAFLUORIDE ION                                      
HETNAM     GOL GLYCEROL                                                         
HETSYN     GOL GLYCERIN; PROPANE-1,2,3-TRIOL                                    
FORMUL   3   MG    2(MG 2+)                                                     
FORMUL   4  SO4    4(O4 S 2-)                                                   
FORMUL   6  BEF    3(BE F3 1-)                                                  
FORMUL   7  BF2    10(BE F2)                                                    
FORMUL  15  BF4    BE F4 2-                                                     
FORMUL  23  GOL    C3 H8 O3                                                     
FORMUL  24  HOH   *224(H2 O)                                                    
HELIX    1   1 ASP A   13  ALA A   27  1                                  15    
HELIX    2   2 SER A   36  GLY A   43  1                                   8    
HELIX    3   3 ASP A   62  ASP A   74  1                                  13    
HELIX    4   4 ASP A   87  ASP A   97  1                                  11    
HELIX    5   5 ALA A  108  ALA A  136  1                                  29    
HELIX    6   6 GLU A  137  SER A  140  5                                   4    
HELIX    7   7 ASP B  213  ALA B  227  1                                  15    
HELIX    8   8 SER B  236  ALA B  242  1                                   7    
HELIX    9   9 ASP B  262  ASP B  274  1                                  13    
HELIX   10  10 ASP B  287  ASP B  297  1                                  11    
HELIX   11  11 ALA B  308  GLU B  337  1                                  30    
HELIX   12  12 GLU B  337  LEU B  343  1                                   7    
HELIX   13  13 LYS B  344  GLU B  350  1                                   7    
HELIX   14  14 HIS B  351  HIS B  353  5                                   3    
SHEET    1   A 5 THR A  30  PHE A  34  0                                        
SHEET    2   A 5 SER A   6  ILE A  10  1  N  LEU A   9   O  PHE A  34           
SHEET    3   A 5 ILE A  51  ASP A  55  1  O  ILE A  53   N  PHE A   8           
SHEET    4   A 5 MET A  79  THR A  83  1  O  ILE A  80   N  VAL A  52           
SHEET    5   A 5 ASP A 101  ALA A 104  1  O  ILE A 103   N  LEU A  81           
SHEET    1   B 5 THR B 230  PHE B 234  0                                        
SHEET    2   B 5 SER B 206  ILE B 210  1  N  VAL B 207   O  SER B 232           
SHEET    3   B 5 ILE B 251  ASP B 255  1  O  ILE B 253   N  PHE B 208           
SHEET    4   B 5 MET B 279  THR B 283  1  O  ILE B 280   N  SER B 254           
SHEET    5   B 5 ASP B 301  ALA B 304  1  O  ILE B 303   N  LEU B 281           
LINK         OD1 ASP A  12                MG    MG A 701     1555   1555  2.08  
LINK         OD1 ASP A  55                BE   BEF A 660     1555   1555  1.83  
LINK         OD2 ASP A  55                MG    MG A 701     1555   1555  2.13  
LINK         O   ARG A  57                MG    MG A 701     1555   1555  2.05  
LINK         F1  BEF A 660                MG    MG A 701     1555   1555  2.12  
LINK        BE   BEF A 660                MG    MG A 701     1555   1555  3.14  
LINK        MG    MG A 701                 O   HOH A 709     1555   1555  2.29  
LINK        MG    MG A 701                 O   HOH A 710     1555   1555  2.37  
LINK         OD1 ASP B 212                MG    MG B 702     1555   1555  2.18  
LINK         OD1 ASP B 255                BE   BEF B 661     1555   1555  1.65  
LINK         OD2 ASP B 255                MG    MG B 702     1555   1555  2.16  
LINK         O  BARG B 257                MG    MG B 702     1555   1555  2.23  
LINK         O  AARG B 257                MG    MG B 702     1555   1555  2.24  
LINK         F1  BEF B 661                MG    MG B 702     1555   1555  2.08  
LINK        MG    MG B 702                 O   HOH B 743     1555   1555  2.20  
LINK        MG    MG B 702                 O   HOH B 744     1555   1555  2.27  
CISPEP   1 LYS A  105    PRO A  106          0        -0.01                     
CISPEP   2 LYS B  305    PRO B  306          0        -0.45                     
SITE     1 AC1  6 ASP A  12  ASP A  55  ARG A  57  BEF A 660                    
SITE     2 AC1  6 HOH A 709  HOH A 710                                          
SITE     1 AC2  6 ASP B 212  ASP B 255  ARG B 257  BEF B 661                    
SITE     2 AC2  6 HOH B 743  HOH B 744                                          
SITE     1 AC3  7 LYS A  69  ARG B 214  ARG B 217  ALA B 235                    
SITE     2 AC3  7 HOH B 746  HOH B 747  HOH B 770                               
SITE     1 AC4  4 ARG A 133  BF2 A 662  ALA B 265  LYS B 269                    
SITE     1 AC5 11 SER A  36  THR A  38  PRO A  59  GLY A  60                    
SITE     2 AC5 11 HOH A 739  HOH A 744  HOH A 817  LYS B 218                    
SITE     3 AC5 11 GLN B 221  GOL B 674  HOH B 730                               
SITE     1 AC6  8 ASP A  13  HIS A  85  HOH A 709  HOH A 710                    
SITE     2 AC6  8 HOH A 720  HOH A 806  HIS B 351  HIS B 352                    
SITE     1 AC7  9 ASP A  55  ILE A  56  ARG A  57  THR A  83                    
SITE     2 AC7  9 GLY A  84  HIS A  85  LYS A 105   MG A 701                    
SITE     3 AC7  9 HOH A 709                                                     
SITE     1 AC8  9 ASP B 255  ILE B 256  ARG B 257  THR B 283                    
SITE     2 AC8  9 GLY B 284  HIS B 285  LYS B 305   MG B 702                    
SITE     3 AC8  9 HOH B 743                                                     
SITE     1 AC9  5 GLU A 141  ALA B 265  ARG B 268  LYS B 269                    
SITE     2 AC9  5 SO4 B 704                                                     
SITE     1 BC1  2 LYS A 121  ARG A 124                                          
SITE     1 BC2  2 ILE A  95  GLN A  96                                          
SITE     1 BC3  6 ILE A 103  ALA A 104  ARG A 111  HOH A 754                    
SITE     2 BC3  6 HOH A 784  PRO B 289                                          
SITE     1 BC4  2 LEU A  73  LYS B 321                                          
SITE     1 BC5  2 TYR A 100  LYS A 122                                          
SITE     1 BC6  3 BF2 A 671  ASP B 287  ILE B 288                               
SITE     1 BC7  3 SER A   6  THR A  30  SER A  32                               
SITE     1 BC8  4 ARG A 133  ALA A 139  SER A 140  HOH A 781                    
SITE     1 BC9  3 ASP A  87  ILE A  88  BF2 B 668                               
SITE     1 CC1  5 ALA A 108  ALA A 109  GLU B 337  SER B 340                    
SITE     2 CC1  5 HOH B 777                                                     
SITE     1 CC2  5 ASP A  12  ARG A  14  ARG A  17  ALA A  35                    
SITE     2 CC2  5 HOH A 730                                                     
SITE     1 CC3  7 THR A  38  GLU A  39  SO4 A 706  HOH A 744                    
SITE     2 CC3  7 LYS B 218  ASN B 329  ARG B 333                               
CRYST1   52.005   76.837   77.853  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      0.019229  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013015  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.012845        0.00000