PDB Short entry for 1KQ2
HEADER    TRANSLATION/RNA                         03-JAN-02   1KQ2              
TITLE     CRYSTAL STRUCTURE OF AN HFQ-RNA COMPLEX                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-R(*AP*UP*UP*UP*UP*UP*G)-3';                             
COMPND   3 CHAIN: R;                                                            
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: HOST FACTOR FOR Q BETA;                                    
COMPND   7 CHAIN: A, B, H, I, K, M;                                             
COMPND   8 SYNONYM: HFQ;                                                        
COMPND   9 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS;                          
SOURCE   5 ORGANISM_TAXID: 1280;                                                
SOURCE   6 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   7 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PTYB11                                    
KEYWDS    HFQ-RNA COMPLEX, SINGLE-STRANDED RNA, TRANSLATIONAL REGULATOR,        
KEYWDS   2 TRANSLATION-RNA COMPLEX                                              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    M.A.SCHUMACHER,R.F.PEARSON,T.MOLLER,P.VALENTIN-HANSEN,R.G.BRENNAN     
REVDAT   3   16-AUG-23 1KQ2    1       REMARK                                   
REVDAT   2   24-FEB-09 1KQ2    1       VERSN                                    
REVDAT   1   05-JUL-02 1KQ2    0                                                
JRNL        AUTH   M.A.SCHUMACHER,R.F.PEARSON,T.MOLLER,P.VALENTIN-HANSEN,       
JRNL        AUTH 2 R.G.BRENNAN                                                  
JRNL        TITL   STRUCTURES OF THE PLEIOTROPIC TRANSLATIONAL REGULATOR HFQ    
JRNL        TITL 2 AND AN HFQ-RNA COMPLEX: A BACTERIAL SM-LIKE PROTEIN.         
JRNL        REF    EMBO J.                       V.  21  3546 2002              
JRNL        REFN                   ISSN 0261-4189                               
JRNL        PMID   12093755                                                     
JRNL        DOI    10.1093/EMBOJ/CDF322                                         
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.71 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 AND HUBER                                  
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.71                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 40.38                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 2081750.710                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 90.4                           
REMARK   3   NUMBER OF REFLECTIONS             : 12030                          
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) : 0.204                           
REMARK   3   FREE R VALUE                     : 0.266                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.000                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 600                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.011                           
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) : 2.71                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.88                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 92.30                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1901                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3150                       
REMARK   3   BIN FREE R VALUE                    : 0.3770                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 5.20                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 105                          
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.037                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2985                                    
REMARK   3   NUCLEIC ACID ATOMS       : 142                                     
REMARK   3   HETEROGEN ATOMS          : 0                                       
REMARK   3   SOLVENT ATOMS            : 29                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 83.40                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 64.50                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -1.00000                                             
REMARK   3    B22 (A**2) : -12.80000                                            
REMARK   3    B33 (A**2) : 13.80000                                             
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) : 0.32                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.38                            
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) : 0.47                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.49                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.007                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.200                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 24.90                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 0.740                           
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) : 2.690 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 4.600 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 3.610 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 5.480 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.32                                                 
REMARK   3   BSOL        : 52.98                                                
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  : DNA-RNA_REP.PARAM                              
REMARK   3  PARAMETER FILE  3  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  4  : ION.PARAM                                      
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  4   : ION.TOP                                        
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1KQ2 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-JAN-02.                  
REMARK 100 THE DEPOSITION ID IS D_1000015217.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 11-JUN-01                          
REMARK 200  TEMPERATURE           (KELVIN) : 298                                
REMARK 200  PH                             : 7.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 1                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : SSRL                               
REMARK 200  BEAMLINE                       : BL9-1                              
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : .97                                
REMARK 200  MONOCHROMATOR                  : GRAPHITE                           
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : MARRESEARCH                        
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : MOSFLM                             
REMARK 200  DATA SCALING SOFTWARE          : CCP4 (SCALA)                       
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 11950                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.710                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 40.380                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 0.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 90.3                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : 0.06400                            
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.71                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : 2.89                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : 92.1                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT        
REMARK 200 SOFTWARE USED: MOLREP                                                
REMARK 200 STARTING MODEL: ONE HEXAMER OF 1KQ1                                  
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 43.28                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 550, MGCL2, HEPES, KCL, PH 7.5,      
REMARK 280  VAPOR DIFFUSION, HANGING DROP, TEMPERATURE 298K                     
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   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       50.92000            
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       50.92000            
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       40.43500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       57.80000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       40.43500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       57.80000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       50.92000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       40.43500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       57.80000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       50.92000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       40.43500            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       57.80000            
REMARK 290   SMTRY3   8  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: HFQ IS A FUNCTIONAL HEXAMER AND THERE IS ONE HEXAMER BOUND   
REMARK 300 TO THE 7-MER RNA SITE IN THE ASU                                     
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: HEPTAMERIC                        
REMARK 350 APPLY THE FOLLOWING TO CHAINS: R, A, B, H, I, K, M                   
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     MET A     1                                                      
REMARK 465     ILE A     2                                                      
REMARK 465     ALA A     3                                                      
REMARK 465     ASN A     4                                                      
REMARK 465     GLU A     5                                                      
REMARK 465     GLU A    66                                                      
REMARK 465     THR A    67                                                      
REMARK 465     GLU A    68                                                      
REMARK 465     GLY A    69                                                      
REMARK 465     GLN A    70                                                      
REMARK 465     ALA A    71                                                      
REMARK 465     SER A    72                                                      
REMARK 465     THR A    73                                                      
REMARK 465     GLU A    74                                                      
REMARK 465     SER A    75                                                      
REMARK 465     GLU A    76                                                      
REMARK 465     GLU A    77                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ILE B     2                                                      
REMARK 465     ALA B     3                                                      
REMARK 465     ASN B     4                                                      
REMARK 465     GLU B     5                                                      
REMARK 465     THR B    67                                                      
REMARK 465     GLU B    68                                                      
REMARK 465     GLY B    69                                                      
REMARK 465     GLN B    70                                                      
REMARK 465     ALA B    71                                                      
REMARK 465     SER B    72                                                      
REMARK 465     THR B    73                                                      
REMARK 465     GLU B    74                                                      
REMARK 465     SER B    75                                                      
REMARK 465     GLU B    76                                                      
REMARK 465     GLU B    77                                                      
REMARK 465     MET H     1                                                      
REMARK 465     ILE H     2                                                      
REMARK 465     ALA H     3                                                      
REMARK 465     ASN H     4                                                      
REMARK 465     THR H    67                                                      
REMARK 465     GLU H    68                                                      
REMARK 465     GLY H    69                                                      
REMARK 465     GLN H    70                                                      
REMARK 465     ALA H    71                                                      
REMARK 465     SER H    72                                                      
REMARK 465     THR H    73                                                      
REMARK 465     GLU H    74                                                      
REMARK 465     SER H    75                                                      
REMARK 465     GLU H    76                                                      
REMARK 465     GLU H    77                                                      
REMARK 465     MET I     1                                                      
REMARK 465     ILE I     2                                                      
REMARK 465     ALA I     3                                                      
REMARK 465     ASN I     4                                                      
REMARK 465     GLU I     5                                                      
REMARK 465     GLU I    66                                                      
REMARK 465     THR I    67                                                      
REMARK 465     GLU I    68                                                      
REMARK 465     GLY I    69                                                      
REMARK 465     GLN I    70                                                      
REMARK 465     ALA I    71                                                      
REMARK 465     SER I    72                                                      
REMARK 465     THR I    73                                                      
REMARK 465     GLU I    74                                                      
REMARK 465     SER I    75                                                      
REMARK 465     GLU I    76                                                      
REMARK 465     GLU I    77                                                      
REMARK 465     MET K     1                                                      
REMARK 465     ILE K     2                                                      
REMARK 465     ALA K     3                                                      
REMARK 465     ASN K     4                                                      
REMARK 465     GLU K     5                                                      
REMARK 465     THR K    67                                                      
REMARK 465     GLU K    68                                                      
REMARK 465     GLY K    69                                                      
REMARK 465     GLN K    70                                                      
REMARK 465     ALA K    71                                                      
REMARK 465     SER K    72                                                      
REMARK 465     THR K    73                                                      
REMARK 465     GLU K    74                                                      
REMARK 465     SER K    75                                                      
REMARK 465     GLU K    76                                                      
REMARK 465     GLU K    77                                                      
REMARK 465     MET M     1                                                      
REMARK 465     ILE M     2                                                      
REMARK 465     ALA M     3                                                      
REMARK 465     ASN M     4                                                      
REMARK 465     GLU M     5                                                      
REMARK 465     THR M    67                                                      
REMARK 465     GLU M    68                                                      
REMARK 465     GLY M    69                                                      
REMARK 465     GLN M    70                                                      
REMARK 465     ALA M    71                                                      
REMARK 465     SER M    72                                                      
REMARK 465     THR M    73                                                      
REMARK 465     GLU M    74                                                      
REMARK 465     SER M    75                                                      
REMARK 465     GLU M    76                                                      
REMARK 465     GLU M    77                                                      
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    TYR A  39      145.63   -178.60                                   
REMARK 500    ASP A  40     -147.56   -128.10                                   
REMARK 500    GLN A  49      -48.83     71.96                                   
REMARK 500    ASN B  18       -4.63    -55.81                                   
REMARK 500    GLU B  37      -84.53    -49.25                                   
REMARK 500    ASP B  40     -155.99   -148.64                                   
REMARK 500    LYS B  51      146.53    -39.52                                   
REMARK 500    ASP H  40     -156.66   -163.25                                   
REMARK 500    SER H  48     -141.45   -129.51                                   
REMARK 500    GLN H  49       73.85    -38.95                                   
REMARK 500    SER H  61      -61.85    -97.36                                   
REMARK 500    ALA K  17      -71.03    -64.48                                   
REMARK 500    TYR K  39      142.97    175.51                                   
REMARK 500    ASP K  40     -158.22   -126.44                                   
REMARK 500    GLN K  49       29.31     49.17                                   
REMARK 500    VAL K  65     -152.61    -95.75                                   
REMARK 500    ASP M  40     -148.23   -153.65                                   
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1KQ1   RELATED DB: PDB                                   
REMARK 900 1KQ1 IS THE STRUCTURE OF THE APO S. AUREUS HFQ                       
DBREF  1KQ2 A    1    77  UNP    Q99UG9   Q99UG9_STAAM     1     77             
DBREF  1KQ2 B    1    77  UNP    Q99UG9   Q99UG9_STAAM     1     77             
DBREF  1KQ2 H    1    77  UNP    Q99UG9   Q99UG9_STAAM     1     77             
DBREF  1KQ2 I    1    77  UNP    Q99UG9   Q99UG9_STAAM     1     77             
DBREF  1KQ2 K    1    77  UNP    Q99UG9   Q99UG9_STAAM     1     77             
DBREF  1KQ2 M    1    77  UNP    Q99UG9   Q99UG9_STAAM     1     77             
DBREF  1KQ2 R   26    32  PDB    1KQ2     1KQ2            26     32             
SEQRES   1 R    7    A   U   U   U   U   U   G                                  
SEQRES   1 A   77  MET ILE ALA ASN GLU ASN ILE GLN ASP LYS ALA LEU GLU          
SEQRES   2 A   77  ASN PHE LYS ALA ASN GLN THR GLU VAL THR VAL PHE PHE          
SEQRES   3 A   77  LEU ASN GLY PHE GLN MET LYS GLY VAL ILE GLU GLU TYR          
SEQRES   4 A   77  ASP LYS TYR VAL VAL SER LEU ASN SER GLN GLY LYS GLN          
SEQRES   5 A   77  HIS LEU ILE TYR LYS HIS ALA ILE SER THR TYR THR VAL          
SEQRES   6 A   77  GLU THR GLU GLY GLN ALA SER THR GLU SER GLU GLU              
SEQRES   1 B   77  MET ILE ALA ASN GLU ASN ILE GLN ASP LYS ALA LEU GLU          
SEQRES   2 B   77  ASN PHE LYS ALA ASN GLN THR GLU VAL THR VAL PHE PHE          
SEQRES   3 B   77  LEU ASN GLY PHE GLN MET LYS GLY VAL ILE GLU GLU TYR          
SEQRES   4 B   77  ASP LYS TYR VAL VAL SER LEU ASN SER GLN GLY LYS GLN          
SEQRES   5 B   77  HIS LEU ILE TYR LYS HIS ALA ILE SER THR TYR THR VAL          
SEQRES   6 B   77  GLU THR GLU GLY GLN ALA SER THR GLU SER GLU GLU              
SEQRES   1 H   77  MET ILE ALA ASN GLU ASN ILE GLN ASP LYS ALA LEU GLU          
SEQRES   2 H   77  ASN PHE LYS ALA ASN GLN THR GLU VAL THR VAL PHE PHE          
SEQRES   3 H   77  LEU ASN GLY PHE GLN MET LYS GLY VAL ILE GLU GLU TYR          
SEQRES   4 H   77  ASP LYS TYR VAL VAL SER LEU ASN SER GLN GLY LYS GLN          
SEQRES   5 H   77  HIS LEU ILE TYR LYS HIS ALA ILE SER THR TYR THR VAL          
SEQRES   6 H   77  GLU THR GLU GLY GLN ALA SER THR GLU SER GLU GLU              
SEQRES   1 I   77  MET ILE ALA ASN GLU ASN ILE GLN ASP LYS ALA LEU GLU          
SEQRES   2 I   77  ASN PHE LYS ALA ASN GLN THR GLU VAL THR VAL PHE PHE          
SEQRES   3 I   77  LEU ASN GLY PHE GLN MET LYS GLY VAL ILE GLU GLU TYR          
SEQRES   4 I   77  ASP LYS TYR VAL VAL SER LEU ASN SER GLN GLY LYS GLN          
SEQRES   5 I   77  HIS LEU ILE TYR LYS HIS ALA ILE SER THR TYR THR VAL          
SEQRES   6 I   77  GLU THR GLU GLY GLN ALA SER THR GLU SER GLU GLU              
SEQRES   1 K   77  MET ILE ALA ASN GLU ASN ILE GLN ASP LYS ALA LEU GLU          
SEQRES   2 K   77  ASN PHE LYS ALA ASN GLN THR GLU VAL THR VAL PHE PHE          
SEQRES   3 K   77  LEU ASN GLY PHE GLN MET LYS GLY VAL ILE GLU GLU TYR          
SEQRES   4 K   77  ASP LYS TYR VAL VAL SER LEU ASN SER GLN GLY LYS GLN          
SEQRES   5 K   77  HIS LEU ILE TYR LYS HIS ALA ILE SER THR TYR THR VAL          
SEQRES   6 K   77  GLU THR GLU GLY GLN ALA SER THR GLU SER GLU GLU              
SEQRES   1 M   77  MET ILE ALA ASN GLU ASN ILE GLN ASP LYS ALA LEU GLU          
SEQRES   2 M   77  ASN PHE LYS ALA ASN GLN THR GLU VAL THR VAL PHE PHE          
SEQRES   3 M   77  LEU ASN GLY PHE GLN MET LYS GLY VAL ILE GLU GLU TYR          
SEQRES   4 M   77  ASP LYS TYR VAL VAL SER LEU ASN SER GLN GLY LYS GLN          
SEQRES   5 M   77  HIS LEU ILE TYR LYS HIS ALA ILE SER THR TYR THR VAL          
SEQRES   6 M   77  GLU THR GLU GLY GLN ALA SER THR GLU SER GLU GLU              
FORMUL   8  HOH   *29(H2 O)                                                     
HELIX    1   1 ASN A    6  ASN A   18  1                                  13    
HELIX    2   2 ASN B    6  ASN B   18  1                                  13    
HELIX    3   3 ASN H    6  GLN H   19  1                                  14    
HELIX    4   4 ILE I    7  ASN I   18  1                                  12    
HELIX    5   5 ASN K    6  GLN K   19  1                                  14    
HELIX    6   6 ASN M    6  GLN M   19  1                                  14    
SHEET    1   A31 GLU A  21  PHE A  26  0                                        
SHEET    2   A31 GLN A  31  TYR A  39 -1  O  MET A  32   N  VAL A  24           
SHEET    3   A31 VAL A  43  SER A  48 -1  O  ASN A  47   N  VAL A  35           
SHEET    4   A31 LYS A  51  TYR A  56 -1  O  HIS A  53   N  LEU A  46           
SHEET    5   A31 ILE H  60  VAL H  65 -1  O  TYR H  63   N  LEU A  54           
SHEET    6   A31 VAL H  22  PHE H  26 -1  N  PHE H  25   O  SER H  61           
SHEET    7   A31 GLN H  31  TYR H  39 -1  O  MET H  32   N  VAL H  24           
SHEET    8   A31 VAL H  43  ASN H  47 -1  O  SER H  45   N  GLU H  38           
SHEET    9   A31 GLN H  52  TYR H  56 -1  O  ILE H  55   N  VAL H  44           
SHEET   10   A31 ILE I  60  THR I  64 -1  O  TYR I  63   N  LEU H  54           
SHEET   11   A31 VAL I  22  PHE I  26 -1  N  PHE I  25   O  SER I  61           
SHEET   12   A31 GLN I  31  TYR I  39 -1  O  GLY I  34   N  VAL I  22           
SHEET   13   A31 VAL I  43  SER I  48 -1  O  SER I  45   N  GLU I  38           
SHEET   14   A31 LYS I  51  TYR I  56 -1  O  HIS I  53   N  LEU I  46           
SHEET   15   A31 ILE K  60  THR K  64 -1  O  TYR K  63   N  LEU I  54           
SHEET   16   A31 GLU K  21  PHE K  26 -1  N  PHE K  25   O  SER K  61           
SHEET   17   A31 GLN K  31  TYR K  39 -1  O  MET K  32   N  VAL K  24           
SHEET   18   A31 VAL K  43  SER K  48 -1  O  ASN K  47   N  VAL K  35           
SHEET   19   A31 LYS K  51  TYR K  56 -1  O  HIS K  53   N  LEU K  46           
SHEET   20   A31 ILE M  60  VAL M  65 -1  O  TYR M  63   N  LEU K  54           
SHEET   21   A31 GLU M  21  PHE M  26 -1  N  THR M  23   O  THR M  64           
SHEET   22   A31 GLN M  31  TYR M  39 -1  O  MET M  32   N  VAL M  24           
SHEET   23   A31 VAL M  43  SER M  48 -1  O  SER M  45   N  GLU M  38           
SHEET   24   A31 LYS M  51  TYR M  56 -1  O  ILE M  55   N  VAL M  44           
SHEET   25   A31 ILE B  60  THR B  64 -1  N  TYR B  63   O  LEU M  54           
SHEET   26   A31 GLU B  21  PHE B  26 -1  N  PHE B  25   O  SER B  61           
SHEET   27   A31 GLN B  31  TYR B  39 -1  O  MET B  32   N  VAL B  24           
SHEET   28   A31 VAL B  43  ASN B  47 -1  O  ASN B  47   N  VAL B  35           
SHEET   29   A31 GLN B  52  TYR B  56 -1  O  ILE B  55   N  VAL B  44           
SHEET   30   A31 ILE A  60  THR A  64 -1  N  TYR A  63   O  LEU B  54           
SHEET   31   A31 GLU A  21  PHE A  26 -1  N  PHE A  25   O  SER A  61           
CRYST1   80.870  115.600  101.840  90.00  90.00  90.00 C 2 2 21     48          
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      0.012366  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.008651  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.009819        0.00000