HEADER    SIGNALING PROTEIN                       20-APR-16   5JGP              
TITLE     CRYSTAL STRUCTURE OF THE NITRATE/NITRITE SENSOR NARQ FRAGMENT BOUND   
TITLE    2 WITH IODIDE IONS                                                     
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: NITRATE/NITRITE SENSOR PROTEIN NARQ;                       
COMPND   3 CHAIN: A;                                                            
COMPND   4 EC: 2.7.13.3;                                                        
COMPND   5 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI (STRAIN K12);                  
SOURCE   3 ORGANISM_TAXID: 83333;                                               
SOURCE   4 STRAIN: K12;                                                         
SOURCE   5 GENE: NARQ, B2469, JW2453;                                           
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    MEMBRANE PROTEIN, SENSOR, HISTIDINE KINASE, IODIDE, TRANSFERASE,      
KEYWDS   2 SIGNALING PROTEIN                                                    
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    I.MELNIKOV,V.POLOVINKIN,A.POPOV,V.GORDELIY                            
REVDAT   2   19-JUN-24 5JGP    1       LINK                                     
REVDAT   1   31-MAY-17 5JGP    0                                                
JRNL        AUTH   I.MELNIKOV,V.POLOVINKIN,K.KOVALEV,I.GUSHCHIN,M.SHEVTSOV,     
JRNL        AUTH 2 V.SHEVCHENKO,A.MISHIN,A.ALEKSEEV,F.RODRIGUEZ-VALERA,         
JRNL        AUTH 3 V.BORSHCHEVSKIY,V.CHEREZOV,G.A.LEONARD,V.GORDELIY,A.POPOV    
JRNL        TITL   FAST IODIDE-SAD PHASING FOR HIGH-THROUGHPUT MEMBRANE PROTEIN 
JRNL        TITL 2 STRUCTURE DETERMINATION.                                     
JRNL        REF    SCI ADV                       V.   3 02952 2017              
JRNL        REFN                   ESSN 2375-2548                               
JRNL        PMID   28508075                                                     
JRNL        DOI    10.1126/SCIADV.1602952                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.70 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.8.0135                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : NULL                                          
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.70                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 59.11                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 99.8                           
REMARK   3   NUMBER OF REFLECTIONS             : 6759                           
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) : 0.194                           
REMARK   3   R VALUE            (WORKING SET) : 0.190                           
REMARK   3   FREE R VALUE                     : 0.263                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 4.900                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 349                             
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 20                           
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.70                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.77                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 490                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 100.0                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2010                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 31                           
REMARK   3   BIN FREE R VALUE                    : 0.3680                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 1782                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 16                                      
REMARK   3   SOLVENT ATOMS            : 135                                     
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 44.82                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 5.75000                                              
REMARK   3    B22 (A**2) : -0.59000                                             
REMARK   3    B33 (A**2) : -5.16000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED OVERALL COORDINATE ERROR.                                 
REMARK   3   ESU BASED ON R VALUE                            (A): NULL          
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.388         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.281         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 13.519        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.907                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.876                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  1852 ; 0.011 ; 0.019       
REMARK   3   BOND LENGTHS OTHERS               (A):  1821 ; 0.002 ; 0.020       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  2525 ; 1.409 ; 1.955       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  4148 ; 0.979 ; 3.000       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   233 ; 5.741 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):    84 ;37.997 ;23.333       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   311 ;16.547 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    14 ;21.153 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   294 ; 0.075 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2119 ; 0.006 ; 0.021       
REMARK   3   GENERAL PLANES OTHERS             (A):   463 ; 0.002 ; 0.020       
REMARK   3   NON-BONDED CONTACTS REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED CONTACTS OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   NON-BONDED TORSION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) REFINED ATOMS      (A):  NULL ;  NULL ;  NULL       
REMARK   3   H-BOND (X...Y) OTHERS             (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION REFINED ATOMS (A):  NULL ;  NULL ;  NULL       
REMARK   3   POTENTIAL METAL-ION OTHERS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW REFINED ATOMS        (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY VDW OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND REFINED ATOMS     (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY H-BOND OTHERS            (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION REFINED ATOMS  (A):  NULL ;  NULL ;  NULL       
REMARK   3   SYMMETRY METAL-ION OTHERS         (A):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.     COUNT   RMS    WEIGHT      
REMARK   3   MAIN-CHAIN BOND REFINED ATOMS  (A**2):   911 ; 2.655 ; 4.287       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):   910 ; 2.655 ; 4.286       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  1139 ; 4.175 ; 6.426       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  1140 ; 4.174 ; 6.428       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):   941 ; 3.115 ; 4.682       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):   938 ; 3.120 ; 4.690       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  1380 ; 5.150 ; 6.882       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  2259 ; 8.109 ;35.254       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  2227 ; 8.006 ;35.178       
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 : NULL                                                 
REMARK   3   PARAMETERS FOR MASK CALCULATION                                    
REMARK   3   VDW PROBE RADIUS   : 1.20                                          
REMARK   3   ION PROBE RADIUS   : 0.80                                          
REMARK   3   SHRINKAGE RADIUS   : 0.80                                          
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THE RIDING   
REMARK   3  POSITIONS                                                           
REMARK   4                                                                      
REMARK   4 5JGP COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 20-APR-16.                  
REMARK 100 THE DEPOSITION ID IS D_1000220551.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 19-SEP-15                          
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               : ESRF                               
REMARK 200  BEAMLINE                       : ID23-1                             
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 1.85                               
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : PIXEL                              
REMARK 200  DETECTOR MANUFACTURER          : DECTRIS PILATUS 6M-F               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : XDS                                
REMARK 200  DATA SCALING SOFTWARE          : AIMLESS                            
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 13279                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 59.110                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 99.8                               
REMARK 200  DATA REDUNDANCY                : 6.730                              
REMARK 200  R MERGE                    (I) : 0.12600                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 11.0300                            
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.70                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.80                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 99.9                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 6.78                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.84400                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.240                              
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: SAD                          
REMARK 200 SOFTWARE USED: SHELXCD, SHELXDE                                      
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 47.09                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: IN MESO LIPIDIC CUBIC PHASE              
REMARK 280  CRYSTALLIZATION, TEMPERATURE 293K                                   
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: F 2 2 2                          
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z                                                 
REMARK 290       3555   -X,Y,-Z                                                 
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X,Y+1/2,Z+1/2                                           
REMARK 290       6555   -X,-Y+1/2,Z+1/2                                         
REMARK 290       7555   -X,Y+1/2,-Z+1/2                                         
REMARK 290       8555   X,-Y+1/2,-Z+1/2                                         
REMARK 290       9555   X+1/2,Y,Z+1/2                                           
REMARK 290      10555   -X+1/2,-Y,Z+1/2                                         
REMARK 290      11555   -X+1/2,Y,-Z+1/2                                         
REMARK 290      12555   X+1/2,-Y,-Z+1/2                                         
REMARK 290      13555   X+1/2,Y+1/2,Z                                           
REMARK 290      14555   -X+1/2,-Y+1/2,Z                                         
REMARK 290      15555   -X+1/2,Y+1/2,-Z                                         
REMARK 290      16555   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        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  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       36.83150            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000      118.21400            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       36.83150            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000      118.21400            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       36.83150            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000      118.21400            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       36.83150            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000      118.21400            
REMARK 290   SMTRY1   9  1.000000  0.000000  0.000000       28.62050            
REMARK 290   SMTRY2   9  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   9  0.000000  0.000000  1.000000      118.21400            
REMARK 290   SMTRY1  10 -1.000000  0.000000  0.000000       28.62050            
REMARK 290   SMTRY2  10  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  10  0.000000  0.000000  1.000000      118.21400            
REMARK 290   SMTRY1  11 -1.000000  0.000000  0.000000       28.62050            
REMARK 290   SMTRY2  11  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  11  0.000000  0.000000 -1.000000      118.21400            
REMARK 290   SMTRY1  12  1.000000  0.000000  0.000000       28.62050            
REMARK 290   SMTRY2  12  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3  12  0.000000  0.000000 -1.000000      118.21400            
REMARK 290   SMTRY1  13  1.000000  0.000000  0.000000       28.62050            
REMARK 290   SMTRY2  13  0.000000  1.000000  0.000000       36.83150            
REMARK 290   SMTRY3  13  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  14 -1.000000  0.000000  0.000000       28.62050            
REMARK 290   SMTRY2  14  0.000000 -1.000000  0.000000       36.83150            
REMARK 290   SMTRY3  14  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1  15 -1.000000  0.000000  0.000000       28.62050            
REMARK 290   SMTRY2  15  0.000000  1.000000  0.000000       36.83150            
REMARK 290   SMTRY3  15  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1  16  1.000000  0.000000  0.000000       28.62050            
REMARK 290   SMTRY2  16  0.000000 -1.000000  0.000000       36.83150            
REMARK 290   SMTRY3  16  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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC                    
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 10160 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 22240 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -66.0 KCAL/MOL                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A                                     
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 350   BIOMT1   2 -1.000000  0.000000  0.000000       85.86150            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000       36.83150            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 375                                                                      
REMARK 375 SPECIAL POSITION                                                     
REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS            
REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL          
REMARK 375 POSITIONS.                                                           
REMARK 375                                                                      
REMARK 375 ATOM RES CSSEQI                                                      
REMARK 375 N    NO3 A 301  LIES ON A SPECIAL POSITION.                          
REMARK 375 O1   NO3 A 301  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 486  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 533  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 534  LIES ON A SPECIAL POSITION.                          
REMARK 375      HOH A 535  LIES ON A SPECIAL POSITION.                          
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     ARG A   227                                                      
REMARK 465     SER A   228                                                      
REMARK 465     LEU A   229                                                      
REMARK 465     GLU A   230                                                      
REMARK 465     HIS A   231                                                      
REMARK 465     HIS A   232                                                      
REMARK 465     HIS A   233                                                      
REMARK 465     HIS A   234                                                      
REMARK 465     HIS A   235                                                      
REMARK 465     HIS A   236                                                      
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     GLN A 217    CG   CD   OE1  NE2                                  
REMARK 470     GLU A 221    CG   CD   OE1  OE2                                  
REMARK 470     LYS A 224    CD   CE   NZ                                        
REMARK 470     TYR A 226    CD1  CD2  CE1  CE2  CZ   OH                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OG   SER A   197     O    HOH A   401              2.17            
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    HIS A  79       30.31    -99.32                                   
REMARK 500    VAL A  88      144.98   -177.91                                   
REMARK 500    VAL A 176      -55.38   -123.96                                   
REMARK 500    GLU A 221      -81.80    -72.41                                   
REMARK 500    LEU A 222      -19.11    -41.07                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 525                                                                      
REMARK 525 SOLVENT                                                              
REMARK 525                                                                      
REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT                    
REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST                  
REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT                 
REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE                       
REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER;                             
REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE                  
REMARK 525 NUMBER; I=INSERTION CODE):                                           
REMARK 525                                                                      
REMARK 525  M RES CSSEQI                                                        
REMARK 525    HOH A 533        DISTANCE =  6.67 ANGSTROMS                       
REMARK 525    HOH A 534        DISTANCE =  7.37 ANGSTROMS                       
REMARK 525    HOH A 535        DISTANCE =  7.46 ANGSTROMS                       
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue NO3 A 301                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue IOD A 302                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue IOD A 305                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue IOD A 307                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue IOD A 308                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue IOD A 309                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC7                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue IOD A 310                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC8                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue IOD A 312                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC9                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: binding site for residue IOD A 313                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 5IJI   RELATED DB: PDB                                   
REMARK 900 5IJI CONTAINS THE SAME PROTEIN                                       
DBREF  5JGP A    1   230  UNP    P27896   NARQ_ECOLI       1    230             
SEQADV 5JGP HIS A  231  UNP  P27896              EXPRESSION TAG                 
SEQADV 5JGP HIS A  232  UNP  P27896              EXPRESSION TAG                 
SEQADV 5JGP HIS A  233  UNP  P27896              EXPRESSION TAG                 
SEQADV 5JGP HIS A  234  UNP  P27896              EXPRESSION TAG                 
SEQADV 5JGP HIS A  235  UNP  P27896              EXPRESSION TAG                 
SEQADV 5JGP HIS A  236  UNP  P27896              EXPRESSION TAG                 
SEQRES   1 A  236  MET ILE VAL LYS ARG PRO VAL SER ALA SER LEU ALA ARG          
SEQRES   2 A  236  ALA PHE PHE TYR ILE VAL LEU LEU SER ILE LEU SER THR          
SEQRES   3 A  236  GLY ILE ALA LEU LEU THR LEU ALA SER SER LEU ARG ASP          
SEQRES   4 A  236  ALA GLU ALA ILE ASN ILE ALA GLY SER LEU ARG MET GLN          
SEQRES   5 A  236  SER TYR ARG LEU GLY TYR ASP LEU GLN SER GLY SER PRO          
SEQRES   6 A  236  GLN LEU ASN ALA HIS ARG GLN LEU PHE GLN GLN ALA LEU          
SEQRES   7 A  236  HIS SER PRO VAL LEU THR ASN LEU ASN VAL TRP TYR VAL          
SEQRES   8 A  236  PRO GLU ALA VAL LYS THR ARG TYR ALA HIS LEU ASN ALA          
SEQRES   9 A  236  ASN TRP LEU GLU MET ASN ASN ARG LEU SER LYS GLY ASP          
SEQRES  10 A  236  LEU PRO TRP TYR GLN ALA ASN ILE ASN ASN TYR VAL ASN          
SEQRES  11 A  236  GLN ILE ASP LEU PHE VAL LEU ALA LEU GLN HIS TYR ALA          
SEQRES  12 A  236  GLU ARG LYS MET LEU LEU VAL VAL ALA ILE SER LEU ALA          
SEQRES  13 A  236  GLY GLY ILE GLY ILE PHE THR LEU VAL PHE PHE THR LEU          
SEQRES  14 A  236  ARG ARG ILE ARG HIS GLN VAL VAL ALA PRO LEU ASN GLN          
SEQRES  15 A  236  LEU VAL THR ALA SER GLN ARG ILE GLU HIS GLY GLN PHE          
SEQRES  16 A  236  ASP SER PRO PRO LEU ASP THR ASN LEU PRO ASN GLU LEU          
SEQRES  17 A  236  GLY LEU LEU ALA LYS THR PHE ASN GLN MET SER SER GLU          
SEQRES  18 A  236  LEU HIS LYS LEU TYR ARG SER LEU GLU HIS HIS HIS HIS          
SEQRES  19 A  236  HIS HIS                                                      
HET    NO3  A 301       4                                                       
HET    IOD  A 302       1                                                       
HET    IOD  A 303       1                                                       
HET    IOD  A 304       1                                                       
HET    IOD  A 305       1                                                       
HET    IOD  A 306       1                                                       
HET    IOD  A 307       1                                                       
HET    IOD  A 308       1                                                       
HET    IOD  A 309       1                                                       
HET    IOD  A 310       1                                                       
HET    IOD  A 311       1                                                       
HET    IOD  A 312       1                                                       
HET    IOD  A 313       1                                                       
HETNAM     NO3 NITRATE ION                                                      
HETNAM     IOD IODIDE ION                                                       
FORMUL   2  NO3    N O3 1-                                                      
FORMUL   3  IOD    12(I 1-)                                                     
FORMUL  15  HOH   *135(H2 O)                                                    
HELIX    1 AA1 PRO A    6  LEU A   37  1                                  32    
HELIX    2 AA2 ARG A   38  GLY A   63  1                                  26    
HELIX    3 AA3 GLN A   66  HIS A   79  1                                  14    
HELIX    4 AA4 SER A   80  ASN A   85  1                                   6    
HELIX    5 AA5 PRO A   92  LYS A  115  1                                  24    
HELIX    6 AA6 ASP A  117  VAL A  176  1                                  60    
HELIX    7 AA7 VAL A  176  HIS A  192  1                                  17    
HELIX    8 AA8 ASN A  206  HIS A  223  1                                  18    
LINK         NE AARG A 145                 I   IOD A 302     1555   1555  1.97  
SITE     1 AC1  4 GLY A  47  SER A  48  ARG A  50  MET A  51                    
SITE     1 AC2  2 ARG A 145  HOH A 410                                          
SITE     1 AC3  1 ASN A 110                                                     
SITE     1 AC4  1 VAL A 177                                                     
SITE     1 AC5  1 HOH A 496                                                     
SITE     1 AC6  2 LEU A 134  ASN A 203                                          
SITE     1 AC7  3 GLU A 108  ASN A 111  HIS A 192                               
SITE     1 AC8  2 MET A   1  GLN A 188                                          
SITE     1 AC9  3 ARG A   5  ALA A   9  ARG A  13                               
CRYST1   57.241   73.663  236.428  90.00  90.00  90.00 F 2 2 2      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      0.017470  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.013575  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.004230        0.00000