HEADER    TRANSCRIPTION                           11-AUG-03   1Q5V              
TITLE     APO-NIKR                                                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NICKEL RESPONSIVE REGULATOR;                               
COMPND   3 CHAIN: A, B, C, D;                                                   
COMPND   4 SYNONYM: NIKR;                                                       
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: NIKR;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: DL41;                                      
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET-22B                                   
KEYWDS    HOMOTETRAMER, RIBBON-HELIX-HELIX DOMAIN, BETA SANDWICH, TRANSCRIPTION 
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    E.R.SCHREITER,M.D.SINTCHAK,Y.GUO,P.T.CHIVERS,R.T.SAUER,C.L.DRENNAN    
REVDAT   3   14-FEB-24 1Q5V    1       REMARK                                   
REVDAT   2   24-FEB-09 1Q5V    1       VERSN                                    
REVDAT   1   30-SEP-03 1Q5V    0                                                
JRNL        AUTH   E.R.SCHREITER,M.D.SINTCHAK,Y.GUO,P.T.CHIVERS,R.T.SAUER,      
JRNL        AUTH 2 C.L.DRENNAN                                                  
JRNL        TITL   CRYSTAL STRUCTURE OF THE NICKEL-RESPONSIVE TRANSCRIPTION     
JRNL        TITL 2 FACTOR NIKR                                                  
JRNL        REF    NAT.STRUCT.BIOL.              V.  10   794 2003              
JRNL        REFN                   ISSN 1072-8368                               
JRNL        PMID   12970756                                                     
JRNL        DOI    10.1038/NSB985                                               
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.30 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) : 2.30                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 38.57                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : NULL                           
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : NULL                           
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 98.1                           
REMARK   3   NUMBER OF REFLECTIONS             : 23161                          
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) : 0.248                           
REMARK   3   FREE R VALUE                     : 0.305                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 7.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 1826                            
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.007                           
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) : 2.30                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.44                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 94.60                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 3388                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3900                       
REMARK   3   BIN FREE R VALUE                    : 0.4690                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 7.20                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 264                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.029                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3626                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 22                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 65.60                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -7.84000                                             
REMARK   3    B22 (A**2) : -2.19000                                             
REMARK   3    B33 (A**2) : 10.03000                                             
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) : NULL                            
REMARK   3   ESD FROM SIGMAA              (A) : NULL                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : NULL                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.51                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.49                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.300                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.10                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.750                           
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) : 3.520 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 5.350 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 5.100 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 7.080 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.31                                                 
REMARK   3   BSOL        : 42.34                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  3  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : NULL                                           
REMARK   3  TOPOLOGY FILE  3   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1Q5V COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 12-AUG-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000019954.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 02-JUL-02; 11-APR-02               
REMARK 200  TEMPERATURE           (KELVIN) : 100; 100                           
REMARK 200  PH                             : 6.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y; Y                               
REMARK 200  RADIATION SOURCE               : APS; NSLS                          
REMARK 200  BEAMLINE                       : 8-BM; X25                          
REMARK 200  X-RAY GENERATOR MODEL          : NULL; NULL                         
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M; M                               
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9791; 1.100                      
REMARK 200  MONOCHROMATOR                  : SAGITALLY FOCUSED SI(220) DCM;     
REMARK 200                                   SI(111) OR (220)                   
REMARK 200  OPTICS                         : NULL; NULL                         
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD; CCD                           
REMARK 200  DETECTOR MANUFACTURER          : ADSC QUANTUM 315; ADSC QUANTUM     
REMARK 200                                   315                                
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : DENZO                              
REMARK 200  DATA SCALING SOFTWARE          : SCALEPACK                          
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 23458                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.300                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 50.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : -1.000                             
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.2                               
REMARK 200  DATA REDUNDANCY                : 10.70                              
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.05200                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 27.0000                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.38                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 97.4                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : 0.35900                            
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 5.800                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH           
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SE-SAD                       
REMARK 200 SOFTWARE USED: SOLVE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 41.87                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.12                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 6000, MAGNESIUM CHLORIDE, N-(2       
REMARK 280  -(ACETAMIDO)IMINO)DIACETIC ACID (ADA), PH 6.5, VAPOR DIFFUSION,     
REMARK 280  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       23.18000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       79.40500            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       34.76500            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       79.40500            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       23.18000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       34.76500            
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 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A HOMOTETRAMER. ONE BIOLOGICAL    
REMARK 300 HOMOTETRAMER IS PRESENT IN THE ASYMMETRIC UNIT.                      
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: TETRAMERIC                        
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC                 
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 11980 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 23480 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -69.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D                            
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     GLN A    47                                                      
REMARK 465     HIS A    62                                                      
REMARK 465     GLU A    63                                                      
REMARK 465     LYS A    64                                                      
REMARK 465     ARG A    65                                                      
REMARK 465     ASP A    66                                                      
REMARK 465     LEU A    67                                                      
REMARK 465     ALA A    68                                                      
REMARK 465     SER A    69                                                      
REMARK 465     ARG A    70                                                      
REMARK 465     ILE A    71                                                      
REMARK 465     VAL A    72                                                      
REMARK 465     SER A    73                                                      
REMARK 465     THR A    74                                                      
REMARK 465     GLN A    75                                                      
REMARK 465     HIS A    76                                                      
REMARK 465     HIS A    77                                                      
REMARK 465     ASP A   133                                                      
REMARK 465     HIS B    62                                                      
REMARK 465     GLU B    63                                                      
REMARK 465     LYS B    64                                                      
REMARK 465     ARG B    65                                                      
REMARK 465     ASP B    66                                                      
REMARK 465     LEU B    67                                                      
REMARK 465     ALA B    68                                                      
REMARK 465     SER B    69                                                      
REMARK 465     ARG B    70                                                      
REMARK 465     ILE B    71                                                      
REMARK 465     VAL B    72                                                      
REMARK 465     SER B    73                                                      
REMARK 465     THR B    74                                                      
REMARK 465     GLN B    75                                                      
REMARK 465     HIS B    76                                                      
REMARK 465     HIS B    77                                                      
REMARK 465     HIS B    78                                                      
REMARK 465     HIS C    62                                                      
REMARK 465     GLU C    63                                                      
REMARK 465     LYS C    64                                                      
REMARK 465     ARG C    65                                                      
REMARK 465     ASP C    66                                                      
REMARK 465     LEU C    67                                                      
REMARK 465     ALA C    68                                                      
REMARK 465     SER C    69                                                      
REMARK 465     ARG C    70                                                      
REMARK 465     ILE C    71                                                      
REMARK 465     VAL C    72                                                      
REMARK 465     SER C    73                                                      
REMARK 465     THR C    74                                                      
REMARK 465     GLN C    75                                                      
REMARK 465     HIS C    76                                                      
REMARK 465     HIS C    77                                                      
REMARK 465     HIS C    78                                                      
REMARK 465     ASP C   133                                                      
REMARK 465     GLY D    24                                                      
REMARK 465     ARG D   119                                                      
REMARK 465     ASP D   133                                                      
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     ASP A  11    CG   OD1  OD2                                       
REMARK 470     GLU A  43    CG   CD   OE1  OE2                                  
REMARK 470     THR A  45    OG1  CG2                                            
REMARK 470     GLN A  46    CG   CD   OE1  NE2                                  
REMARK 470     TYR A  60    CD1  CD2  CE1  CE2  CZ   OH                         
REMARK 470     GLU A  61    CG   CD   OE1  OE2                                  
REMARK 470     HIS A  78    CG   ND1  CD2  CE1  NE2                             
REMARK 470     GLN A 118    CG   CD   OE1  NE2                                  
REMARK 470     ARG A 119    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     LYS A 131    CG   CD   CE   NZ                                   
REMARK 470     MET B   1    CG   SD   CE                                        
REMARK 470     ASP B  11    CG   OD1  OD2                                       
REMARK 470     GLN B  42    CG   CD   OE1  NE2                                  
REMARK 470     TYR B  60    CD1  CD2  CE1  CE2  CZ   OH                         
REMARK 470     GLU B  61    CG   CD   OE1  OE2                                  
REMARK 470     HIS B  79    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ASP B  80    CG   OD1  OD2                                       
REMARK 470     ASP B 114    CG   OD1  OD2                                       
REMARK 470     ASP B 133    CG   OD1  OD2                                       
REMARK 470     ASP C  11    CG   OD1  OD2                                       
REMARK 470     GLU C  30    CG   CD   OE1  OE2                                  
REMARK 470     GLN C  42    CG   CD   OE1  NE2                                  
REMARK 470     GLU C  43    CG   CD   OE1  OE2                                  
REMARK 470     HIS C  48    CG   ND1  CD2  CE1  NE2                             
REMARK 470     GLU C  61    CG   CD   OE1  OE2                                  
REMARK 470     HIS C  79    CG   ND1  CD2  CE1  NE2                             
REMARK 470     ASP C 114    CG   OD1  OD2                                       
REMARK 470     GLN C 118    CG   CD   OE1  NE2                                  
REMARK 470     LYS C 131    CG   CD   CE   NZ                                   
REMARK 470     ARG D   3    CG   CD   NE   CZ   NH1  NH2                        
REMARK 470     ASP D  11    CG   OD1  OD2                                       
REMARK 470     GLU D  14    CG   CD   OE1  OE2                                  
REMARK 470     GLU D  63    CG   CD   OE1  OE2                                  
REMARK 470     ASP D  66    CG   OD1  OD2                                       
REMARK 470     ILE D  71    CG1  CG2  CD1                                       
REMARK 470     VAL D  72    CG1  CG2                                            
REMARK 470     SER D  73    OG                                                  
REMARK 470     ASP D  80    CG   OD1  OD2                                       
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  91      175.75    172.97                                   
REMARK 500    GLN A 118      146.54    -36.38                                   
REMARK 500    ALA B  84      147.71   -174.13                                   
REMARK 500    ASN B  91     -174.65   -175.70                                   
REMARK 500    LYS B 131      121.68    -38.29                                   
REMARK 500    HIS C  48       48.18    -61.43                                   
REMARK 500    ALA C  84      149.13   -176.63                                   
REMARK 500    ASN C  91      178.45    164.51                                   
REMARK 500    GLN C 118     -168.62    -58.42                                   
REMARK 500    ARG C 119     -111.00    -35.21                                   
REMARK 500    ASN D  26      -50.87    172.34                                   
REMARK 500    ALA D  84      147.43   -179.80                                   
REMARK 500    HIS D 123       26.01     49.01                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1Q5Y   RELATED DB: PDB                                   
REMARK 900 NICKEL-BOUND C-TERMINAL REGULATORY DOMAIN OF NIKR                    
DBREF  1Q5V A    1   133  UNP    P0A6Z6   NIKR_ECOLI       1    133             
DBREF  1Q5V B    1   133  UNP    P0A6Z6   NIKR_ECOLI       1    133             
DBREF  1Q5V C    1   133  UNP    P0A6Z6   NIKR_ECOLI       1    133             
DBREF  1Q5V D    1   133  UNP    P0A6Z6   NIKR_ECOLI       1    133             
SEQRES   1 A  133  MET GLN ARG VAL THR ILE THR LEU ASP ASP ASP LEU LEU          
SEQRES   2 A  133  GLU THR LEU ASP SER LEU SER GLN ARG ARG GLY TYR ASN          
SEQRES   3 A  133  ASN ARG SER GLU ALA ILE ARG ASP ILE LEU ARG SER ALA          
SEQRES   4 A  133  LEU ALA GLN GLU ALA THR GLN GLN HIS GLY THR GLN GLY          
SEQRES   5 A  133  PHE ALA VAL LEU SER TYR VAL TYR GLU HIS GLU LYS ARG          
SEQRES   6 A  133  ASP LEU ALA SER ARG ILE VAL SER THR GLN HIS HIS HIS          
SEQRES   7 A  133  HIS ASP LEU SER VAL ALA THR LEU HIS VAL HIS ILE ASN          
SEQRES   8 A  133  HIS ASP ASP CYS LEU GLU ILE ALA VAL LEU LYS GLY ASP          
SEQRES   9 A  133  MET GLY ASP VAL GLN HIS PHE ALA ASP ASP VAL ILE ALA          
SEQRES  10 A  133  GLN ARG GLY VAL ARG HIS GLY HIS LEU GLN CYS LEU PRO          
SEQRES  11 A  133  LYS GLU ASP                                                  
SEQRES   1 B  133  MET GLN ARG VAL THR ILE THR LEU ASP ASP ASP LEU LEU          
SEQRES   2 B  133  GLU THR LEU ASP SER LEU SER GLN ARG ARG GLY TYR ASN          
SEQRES   3 B  133  ASN ARG SER GLU ALA ILE ARG ASP ILE LEU ARG SER ALA          
SEQRES   4 B  133  LEU ALA GLN GLU ALA THR GLN GLN HIS GLY THR GLN GLY          
SEQRES   5 B  133  PHE ALA VAL LEU SER TYR VAL TYR GLU HIS GLU LYS ARG          
SEQRES   6 B  133  ASP LEU ALA SER ARG ILE VAL SER THR GLN HIS HIS HIS          
SEQRES   7 B  133  HIS ASP LEU SER VAL ALA THR LEU HIS VAL HIS ILE ASN          
SEQRES   8 B  133  HIS ASP ASP CYS LEU GLU ILE ALA VAL LEU LYS GLY ASP          
SEQRES   9 B  133  MET GLY ASP VAL GLN HIS PHE ALA ASP ASP VAL ILE ALA          
SEQRES  10 B  133  GLN ARG GLY VAL ARG HIS GLY HIS LEU GLN CYS LEU PRO          
SEQRES  11 B  133  LYS GLU ASP                                                  
SEQRES   1 C  133  MET GLN ARG VAL THR ILE THR LEU ASP ASP ASP LEU LEU          
SEQRES   2 C  133  GLU THR LEU ASP SER LEU SER GLN ARG ARG GLY TYR ASN          
SEQRES   3 C  133  ASN ARG SER GLU ALA ILE ARG ASP ILE LEU ARG SER ALA          
SEQRES   4 C  133  LEU ALA GLN GLU ALA THR GLN GLN HIS GLY THR GLN GLY          
SEQRES   5 C  133  PHE ALA VAL LEU SER TYR VAL TYR GLU HIS GLU LYS ARG          
SEQRES   6 C  133  ASP LEU ALA SER ARG ILE VAL SER THR GLN HIS HIS HIS          
SEQRES   7 C  133  HIS ASP LEU SER VAL ALA THR LEU HIS VAL HIS ILE ASN          
SEQRES   8 C  133  HIS ASP ASP CYS LEU GLU ILE ALA VAL LEU LYS GLY ASP          
SEQRES   9 C  133  MET GLY ASP VAL GLN HIS PHE ALA ASP ASP VAL ILE ALA          
SEQRES  10 C  133  GLN ARG GLY VAL ARG HIS GLY HIS LEU GLN CYS LEU PRO          
SEQRES  11 C  133  LYS GLU ASP                                                  
SEQRES   1 D  133  MET GLN ARG VAL THR ILE THR LEU ASP ASP ASP LEU LEU          
SEQRES   2 D  133  GLU THR LEU ASP SER LEU SER GLN ARG ARG GLY TYR ASN          
SEQRES   3 D  133  ASN ARG SER GLU ALA ILE ARG ASP ILE LEU ARG SER ALA          
SEQRES   4 D  133  LEU ALA GLN GLU ALA THR GLN GLN HIS GLY THR GLN GLY          
SEQRES   5 D  133  PHE ALA VAL LEU SER TYR VAL TYR GLU HIS GLU LYS ARG          
SEQRES   6 D  133  ASP LEU ALA SER ARG ILE VAL SER THR GLN HIS HIS HIS          
SEQRES   7 D  133  HIS ASP LEU SER VAL ALA THR LEU HIS VAL HIS ILE ASN          
SEQRES   8 D  133  HIS ASP ASP CYS LEU GLU ILE ALA VAL LEU LYS GLY ASP          
SEQRES   9 D  133  MET GLY ASP VAL GLN HIS PHE ALA ASP ASP VAL ILE ALA          
SEQRES  10 D  133  GLN ARG GLY VAL ARG HIS GLY HIS LEU GLN CYS LEU PRO          
SEQRES  11 D  133  LYS GLU ASP                                                  
FORMUL   5  HOH   *22(H2 O)                                                     
HELIX    1   1 ASP A    9  GLY A   24  1                                  16    
HELIX    2   2 ASN A   27  THR A   45  1                                  19    
HELIX    3   3 MET A  105  GLN A  118  1                                  14    
HELIX    4   4 ASP B    9  GLY B   24  1                                  16    
HELIX    5   5 ASN B   27  ALA B   41  1                                  15    
HELIX    6   6 MET B  105  GLN B  118  1                                  14    
HELIX    7   7 ASP C    9  GLY C   24  1                                  16    
HELIX    8   8 ASN C   27  ALA C   44  1                                  18    
HELIX    9   9 MET C  105  ILE C  116  1                                  12    
HELIX   10  10 ASP D    9  SER D   20  1                                  12    
HELIX   11  11 ASN D   27  ALA D   41  1                                  15    
HELIX   12  12 LYS D   64  HIS D   78  1                                  15    
HELIX   13  13 MET D  105  GLN D  118  1                                  14    
SHEET    1   A 2 GLN A   2  LEU A   8  0                                        
SHEET    2   A 2 GLN B   2  LEU B   8 -1  O  VAL B   4   N  ILE A   6           
SHEET    1   B 8 ARG A 122  PRO A 130  0                                        
SHEET    2   B 8 GLN A  51  TYR A  60 -1  N  PHE A  53   O  LEU A 129           
SHEET    3   B 8 CYS A  95  ASP A 104 -1  O  ALA A  99   N  LEU A  56           
SHEET    4   B 8 SER A  82  HIS A  89 -1  N  VAL A  88   O  LEU A  96           
SHEET    5   B 8 SER C  82  HIS C  89 -1  O  HIS C  87   N  THR A  85           
SHEET    6   B 8 CYS C  95  ASP C 104 -1  O  VAL C 100   N  ALA C  84           
SHEET    7   B 8 GLN C  51  TYR C  60 -1  N  LEU C  56   O  ALA C  99           
SHEET    8   B 8 ARG C 122  PRO C 130 -1  O  LEU C 129   N  PHE C  53           
SHEET    1   C 8 ARG B 122  PRO B 130  0                                        
SHEET    2   C 8 GLN B  51  TYR B  60 -1  N  SER B  57   O  HIS B 125           
SHEET    3   C 8 CYS B  95  ASP B 104 -1  O  CYS B  95   N  TYR B  60           
SHEET    4   C 8 SER B  82  HIS B  89 -1  N  VAL B  88   O  LEU B  96           
SHEET    5   C 8 SER D  82  HIS D  89 -1  O  HIS D  87   N  THR B  85           
SHEET    6   C 8 ASP D  94  ASP D 104 -1  O  LEU D  96   N  VAL D  88           
SHEET    7   C 8 GLN D  51  GLU D  61 -1  N  LEU D  56   O  ALA D  99           
SHEET    8   C 8 ARG D 122  PRO D 130 -1  O  HIS D 125   N  SER D  57           
SHEET    1   D 2 GLN C   2  LEU C   8  0                                        
SHEET    2   D 2 GLN D   2  LEU D   8 -1  O  ILE D   6   N  VAL C   4           
CRYST1   46.360   69.530  158.810  90.00  90.00  90.00 P 21 21 21   16          
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      0.021570  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.014382  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.006297        0.00000