HEADER    TRANSCRIPTION                           12-JUL-12   4B27              
TITLE     TRP RNA-BINDING ATTENUATION PROTEIN: MODIFYING SYMMETRY AND STABILITY 
TITLE    2 OF A CIRCULAR OLIGOMER                                               
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: TRANSCRIPTION ATTENUATION PROTEIN MTRB;                    
COMPND   3 CHAIN: A, B, C, D, E, F;                                             
COMPND   4 SYNONYM: TRP RNA-BINDING ATTENUATION PROTEIN, TRP RNA-BINDING        
COMPND   5 ATTENUATION PROTEIN, TRYPTOPHAN RNA-BINDING ATTENUATOR PROTEIN;      
COMPND   6 ENGINEERED: YES;                                                     
COMPND   7 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS;                              
SOURCE   3 ORGANISM_TAXID: 1423;                                                
SOURCE   4 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   5 EXPRESSION_SYSTEM_TAXID: 469008;                                     
SOURCE   6 EXPRESSION_SYSTEM_STRAIN: BL21(DE3);                                 
SOURCE   7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   8 EXPRESSION_SYSTEM_VECTOR: PET9A                                      
KEYWDS    TRANSCRIPTION, TRANSCRIPTION REGULATION, THERMOFLUOR, PROTEIN         
KEYWDS   2 ENGINEERING                                                          
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    O.W.BAYFIELD,C.CHEN,A.R.PATTERSON,W.LUAN,C.SMITS,P.GOLLNICK,          
AUTHOR   2 A.A.ANTSON                                                           
REVDAT   3   20-DEC-23 4B27    1       REMARK                                   
REVDAT   2   03-OCT-12 4B27    1       JRNL                                     
REVDAT   1   19-SEP-12 4B27    0                                                
JRNL        AUTH   O.W.BAYFIELD,C.CHEN,A.R.PATTERSON,W.LUAN,C.SMITS,P.GOLLNICK, 
JRNL        AUTH 2 A.A.ANTSON                                                   
JRNL        TITL   TRP RNA-BINDING ATTENUATION PROTEIN: MODIFYING SYMMETRY AND  
JRNL        TITL 2 STABILITY OF A CIRCULAR OLIGOMER.                            
JRNL        REF    PLOS ONE                      V.   7 44309 2012              
JRNL        REFN                   ESSN 1932-6203                               
JRNL        PMID   22970197                                                     
JRNL        DOI    10.1371/JOURNAL.PONE.0044309                                 
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.72 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : REFMAC 5.6.0117                                      
REMARK   3   AUTHORS     : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER,              
REMARK   3               : NICHOLLS,WINN,LONG,VAGIN                             
REMARK   3                                                                      
REMARK   3    REFINEMENT TARGET : MAXIMUM LIKELIHOOD                            
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.72                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 25.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : NULL                           
REMARK   3   COMPLETENESS FOR RANGE        (%) : 90.7                           
REMARK   3   NUMBER OF REFLECTIONS             : 13396                          
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) : 0.209                           
REMARK   3   R VALUE            (WORKING SET) : 0.207                           
REMARK   3   FREE R VALUE                     : 0.245                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.800                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 825                             
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) : 2.72                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.79                         
REMARK   3   REFLECTION IN BIN     (WORKING SET) : 500                          
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 50.72                        
REMARK   3   BIN R VALUE           (WORKING SET) : 0.3410                       
REMARK   3   BIN FREE R VALUE SET COUNT          : 27                           
REMARK   3   BIN FREE R VALUE                    : 0.3820                       
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 2952                                    
REMARK   3   NUCLEIC ACID ATOMS       : 0                                       
REMARK   3   HETEROGEN ATOMS          : 90                                      
REMARK   3   SOLVENT ATOMS            : 27                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : 86.10                          
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 115.9                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : -8.41000                                             
REMARK   3    B22 (A**2) : -9.14000                                             
REMARK   3    B33 (A**2) : 17.55000                                             
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): 0.984         
REMARK   3   ESU BASED ON FREE R VALUE                       (A): 0.336         
REMARK   3   ESU BASED ON MAXIMUM LIKELIHOOD                 (A): 0.334         
REMARK   3   ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 38.109        
REMARK   3                                                                      
REMARK   3 CORRELATION COEFFICIENTS.                                            
REMARK   3   CORRELATION COEFFICIENT FO-FC      : 0.957                         
REMARK   3   CORRELATION COEFFICIENT FO-FC FREE : 0.936                         
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES        COUNT    RMS    WEIGHT      
REMARK   3   BOND LENGTHS REFINED ATOMS        (A):  3084 ; 0.009 ; 0.020       
REMARK   3   BOND LENGTHS OTHERS               (A):  NULL ;  NULL ;  NULL       
REMARK   3   BOND ANGLES REFINED ATOMS   (DEGREES):  4152 ; 1.265 ; 1.929       
REMARK   3   BOND ANGLES OTHERS          (DEGREES):  NULL ;  NULL ;  NULL       
REMARK   3   TORSION ANGLES, PERIOD 1    (DEGREES):   378 ; 6.512 ; 5.000       
REMARK   3   TORSION ANGLES, PERIOD 2    (DEGREES):   138 ;28.527 ;24.783       
REMARK   3   TORSION ANGLES, PERIOD 3    (DEGREES):   552 ;17.908 ;15.000       
REMARK   3   TORSION ANGLES, PERIOD 4    (DEGREES):    12 ;17.274 ;15.000       
REMARK   3   CHIRAL-CENTER RESTRAINTS       (A**3):   486 ; 0.081 ; 0.200       
REMARK   3   GENERAL PLANES REFINED ATOMS      (A):  2250 ; 0.004 ; 0.020       
REMARK   3   GENERAL PLANES OTHERS             (A):  NULL ;  NULL ;  NULL       
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):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   MAIN-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND REFINED ATOMS  (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN BOND OTHER ATOMS    (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE REFINED ATOMS (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SIDE-CHAIN ANGLE OTHER ATOMS   (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B REFINED ATOMS     (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   LONG RANGE B OTHER ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3 ANISOTROPIC THERMAL FACTOR RESTRAINTS.    COUNT   RMS   WEIGHT       
REMARK   3   RIGID-BOND RESTRAINTS          (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; FREE ATOMS         (A**2):  NULL ;  NULL ;  NULL       
REMARK   3   SPHERICITY; BONDED ATOMS       (A**2):  NULL ;  NULL ;  NULL       
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS STATISTICS                                           
REMARK   3   NUMBER OF DIFFERENT NCS GROUPS : NULL                              
REMARK   3                                                                      
REMARK   3  TLS DETAILS                                                         
REMARK   3   NUMBER OF TLS GROUPS  : 6                                          
REMARK   3                                                                      
REMARK   3   TLS GROUP : 1                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   A     7        A    81                          
REMARK   3    ORIGIN FOR THE GROUP (A):  21.6985  18.7874  17.6316              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2075 T22:   0.1894                                     
REMARK   3      T33:   0.2715 T12:  -0.0046                                     
REMARK   3      T13:   0.0407 T23:   0.1921                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   6.8926 L22:   7.4825                                     
REMARK   3      L33:   5.9462 L12:  -0.6371                                     
REMARK   3      L13:  -2.6829 L23:   1.7211                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1325 S12:   0.7032 S13:   0.3012                       
REMARK   3      S21:  -0.9278 S22:  -0.2381 S23:  -0.5684                       
REMARK   3      S31:  -0.3418 S32:  -0.0931 S33:   0.3706                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 2                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   B     7        B    81                          
REMARK   3    ORIGIN FOR THE GROUP (A):   9.3071  27.1700  17.6548              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1891 T22:   0.1966                                     
REMARK   3      T33:   0.2412 T12:   0.0038                                     
REMARK   3      T13:  -0.0913 T23:   0.1877                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   9.2392 L22:   6.3647                                     
REMARK   3      L33:  10.1098 L12:  -0.5552                                     
REMARK   3      L13:  -4.7977 L23:   0.7921                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0753 S12:   0.8607 S13:   0.8668                       
REMARK   3      S21:  -0.7765 S22:  -0.3028 S23:   0.1638                       
REMARK   3      S31:  -0.4445 S32:  -0.0762 S33:   0.3780                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 3                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   C     7        C    81                          
REMARK   3    ORIGIN FOR THE GROUP (A):  -5.4771  28.2245  17.6900              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2250 T22:   0.1686                                     
REMARK   3      T33:   0.2296 T12:   0.0405                                     
REMARK   3      T13:  -0.1185 T23:   0.0969                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   9.5054 L22:   6.5163                                     
REMARK   3      L33:   7.2395 L12:   1.1180                                     
REMARK   3      L13:  -3.0168 L23:  -2.5854                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.0085 S12:   0.8952 S13:   1.1242                       
REMARK   3      S21:  -0.7178 S22:  -0.1233 S23:   0.3605                       
REMARK   3      S31:  -0.0318 S32:  -0.1090 S33:   0.1318                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 4                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   D     7        D    81                          
REMARK   3    ORIGIN FOR THE GROUP (A): -18.8026  21.7416  17.6574              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2037 T22:   0.2115                                     
REMARK   3      T33:   0.1850 T12:   0.0236                                     
REMARK   3      T13:  -0.1559 T23:   0.0157                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   7.5568 L22:   6.7582                                     
REMARK   3      L33:   5.8728 L12:   0.7767                                     
REMARK   3      L13:  -2.0859 L23:  -1.7736                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1302 S12:   0.8275 S13:   0.3896                       
REMARK   3      S21:  -0.7658 S22:  -0.2347 S23:   0.2219                       
REMARK   3      S31:  -0.0066 S32:  -0.2273 S33:   0.3649                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 5                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   E     7        E    81                          
REMARK   3    ORIGIN FOR THE GROUP (A): -27.1783   9.3652  17.7060              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.1766 T22:   0.2072                                     
REMARK   3      T33:   0.2242 T12:   0.0121                                     
REMARK   3      T13:  -0.1848 T23:  -0.0635                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   5.9068 L22:   9.3240                                     
REMARK   3      L33:   9.2840 L12:  -0.0684                                     
REMARK   3      L13:  -0.0060 L23:  -4.6673                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1229 S12:   0.6215 S13:   0.1078                       
REMARK   3      S21:  -0.7041 S22:  -0.1143 S23:   0.9397                       
REMARK   3      S31:  -0.0882 S32:  -0.3417 S33:   0.2372                       
REMARK   3                                                                      
REMARK   3   TLS GROUP : 6                                                      
REMARK   3    NUMBER OF COMPONENTS GROUP : 1                                    
REMARK   3    COMPONENTS        C SSSEQI   TO  C SSSEQI                         
REMARK   3    RESIDUE RANGE :   F     7        F    81                          
REMARK   3    ORIGIN FOR THE GROUP (A): -28.2073  -5.4740  17.7308              
REMARK   3    T TENSOR                                                          
REMARK   3      T11:   0.2076 T22:   0.2453                                     
REMARK   3      T33:   0.2101 T12:  -0.0592                                     
REMARK   3      T13:  -0.1274 T23:  -0.1175                                     
REMARK   3    L TENSOR                                                          
REMARK   3      L11:   5.5494 L22:   7.7107                                     
REMARK   3      L33:   7.2771 L12:  -2.2801                                     
REMARK   3      L13:   2.6672 L23:  -3.5672                                     
REMARK   3    S TENSOR                                                          
REMARK   3      S11:  -0.1798 S12:   0.6664 S13:  -0.4005                       
REMARK   3      S21:  -0.7229 S22:  -0.0407 S23:   0.7450                       
REMARK   3      S31:   0.0707 S32:  -0.1678 S33:   0.2205                       
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELLING.                                             
REMARK   3   METHOD USED : MASK                                                 
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. HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT         
REMARK   4                                                                      
REMARK   4 4B27 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 12-JUL-12.                  
REMARK 100 THE DEPOSITION ID IS D_1290053331.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : NULL                               
REMARK 200  TEMPERATURE           (KELVIN) : 120                                
REMARK 200  PH                             : NULL                               
REMARK 200  NUMBER OF CRYSTALS USED        : NULL                               
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : DIAMOND                            
REMARK 200  BEAMLINE                       : I04                                
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.9163                             
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : CCD                                
REMARK 200  DETECTOR MANUFACTURER          : ADSC CCD                           
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : HKL-2000                           
REMARK 200  DATA SCALING SOFTWARE          : HKL-2000                           
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14253                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.700                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 25.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : 2.000                              
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : 91.0                               
REMARK 200  DATA REDUNDANCY                : 6.300                              
REMARK 200  R MERGE                    (I) : 0.10000                            
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : 15.3000                            
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     (%) : 68.0                               
REMARK 200  DATA REDUNDANCY IN SHELL       : 4.20                               
REMARK 200  R MERGE FOR SHELL          (I) : 0.50000                            
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : 2.800                              
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: PDB ENTRY 3ZZQ                                       
REMARK 200                                                                      
REMARK 200 REMARK: NONE                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 57.00                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.90                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: 100 MM BIS-TRIS PROPANE (PH 8.5), 200    
REMARK 280  MM KSCN AND 13% PEG 3350 (V/V)                                      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 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+1/2,Y+1/2,-Z                                         
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        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       54.73350            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000       55.07550            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000       54.73350            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000       55.07550            
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 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: DODECAMERIC                       
REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DODECAMERIC                
REMARK 350 SOFTWARE USED: PISA                                                  
REMARK 350 TOTAL BURIED SURFACE AREA: 25800 ANGSTROM**2                         
REMARK 350 SURFACE AREA OF THE COMPLEX: 30150 ANGSTROM**2                       
REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -106.2 KCAL/MOL                       
REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B, C, D, E, F                      
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        0.00000            
REMARK 350   BIOMT2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   2  0.000000  0.000000  1.000000        0.00000            
REMARK 400                                                                      
REMARK 400 COMPOUND                                                             
REMARK 400 ENGINEERED RESIDUE IN CHAIN A, SER  72 TO ASN                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN B, SER  72 TO ASN                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN C, SER  72 TO ASN                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN D, SER  72 TO ASN                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN E, SER  72 TO ASN                        
REMARK 400 ENGINEERED RESIDUE IN CHAIN F, SER  72 TO ASN                        
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     ASN A     2                                                      
REMARK 465     GLN A     3                                                      
REMARK 465     LYS A     4                                                      
REMARK 465     HIS A     5                                                      
REMARK 465     SER A     6                                                      
REMARK 465     LYS A    71                                                      
REMARK 465     ASN A    72                                                      
REMARK 465     GLU A    73                                                      
REMARK 465     LYS A    74                                                      
REMARK 465     LYS A    75                                                      
REMARK 465     MET B     1                                                      
REMARK 465     ASN B     2                                                      
REMARK 465     GLN B     3                                                      
REMARK 465     LYS B     4                                                      
REMARK 465     HIS B     5                                                      
REMARK 465     SER B     6                                                      
REMARK 465     LYS B    71                                                      
REMARK 465     ASN B    72                                                      
REMARK 465     GLU B    73                                                      
REMARK 465     LYS B    74                                                      
REMARK 465     LYS B    75                                                      
REMARK 465     MET C     1                                                      
REMARK 465     ASN C     2                                                      
REMARK 465     GLN C     3                                                      
REMARK 465     LYS C     4                                                      
REMARK 465     HIS C     5                                                      
REMARK 465     SER C     6                                                      
REMARK 465     LYS C    71                                                      
REMARK 465     ASN C    72                                                      
REMARK 465     GLU C    73                                                      
REMARK 465     LYS C    74                                                      
REMARK 465     LYS C    75                                                      
REMARK 465     MET D     1                                                      
REMARK 465     ASN D     2                                                      
REMARK 465     GLN D     3                                                      
REMARK 465     LYS D     4                                                      
REMARK 465     HIS D     5                                                      
REMARK 465     SER D     6                                                      
REMARK 465     LYS D    71                                                      
REMARK 465     ASN D    72                                                      
REMARK 465     GLU D    73                                                      
REMARK 465     LYS D    74                                                      
REMARK 465     LYS D    75                                                      
REMARK 465     MET E     1                                                      
REMARK 465     ASN E     2                                                      
REMARK 465     GLN E     3                                                      
REMARK 465     LYS E     4                                                      
REMARK 465     HIS E     5                                                      
REMARK 465     SER E     6                                                      
REMARK 465     LYS E    71                                                      
REMARK 465     ASN E    72                                                      
REMARK 465     GLU E    73                                                      
REMARK 465     LYS E    74                                                      
REMARK 465     LYS E    75                                                      
REMARK 465     MET F     1                                                      
REMARK 465     ASN F     2                                                      
REMARK 465     GLN F     3                                                      
REMARK 465     LYS F     4                                                      
REMARK 465     HIS F     5                                                      
REMARK 465     SER F     6                                                      
REMARK 465     LYS F    71                                                      
REMARK 465     ASN F    72                                                      
REMARK 465     GLU F    73                                                      
REMARK 465     LYS F    74                                                      
REMARK 465     LYS F    75                                                      
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRP A 81                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRP B 81                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC3                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRP C 81                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC4                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRP D 81                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC5                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRP E 81                  
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC6                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TRP F 81                  
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1WAP   RELATED DB: PDB                                   
REMARK 900 TRP RNA-BINDING ATTENUATION PROTEIN IN COMPLEX WITH 1WAP 3L-         
REMARK 900 TRYPTOPHAN 1WAP 4                                                    
REMARK 900 RELATED ID: 3ZZQ   RELATED DB: PDB                                   
REMARK 900 ENGINEERED 12-SUBUNIT BACILLUS SUBTILIS TRP RNA-BINDING ATTENUATION  
REMARK 900 PROTEIN (TRAP)                                                       
DBREF  4B27 A    1    75  UNP    P19466   MTRB_BACSU       1     75             
DBREF  4B27 B    1    75  UNP    P19466   MTRB_BACSU       1     75             
DBREF  4B27 C    1    75  UNP    P19466   MTRB_BACSU       1     75             
DBREF  4B27 D    1    75  UNP    P19466   MTRB_BACSU       1     75             
DBREF  4B27 E    1    75  UNP    P19466   MTRB_BACSU       1     75             
DBREF  4B27 F    1    75  UNP    P19466   MTRB_BACSU       1     75             
SEQADV 4B27 ASN A   72  UNP  P19466    SER    72 ENGINEERED MUTATION            
SEQADV 4B27 ASN B   72  UNP  P19466    SER    72 ENGINEERED MUTATION            
SEQADV 4B27 ASN C   72  UNP  P19466    SER    72 ENGINEERED MUTATION            
SEQADV 4B27 ASN D   72  UNP  P19466    SER    72 ENGINEERED MUTATION            
SEQADV 4B27 ASN E   72  UNP  P19466    SER    72 ENGINEERED MUTATION            
SEQADV 4B27 ASN F   72  UNP  P19466    SER    72 ENGINEERED MUTATION            
SEQRES   1 A   75  MET ASN GLN LYS HIS SER SER ASP PHE VAL VAL ILE LYS          
SEQRES   2 A   75  ALA VAL GLU ASP GLY VAL ASN VAL ILE GLY LEU THR ARG          
SEQRES   3 A   75  GLY THR ASP THR LYS PHE HIS HIS SER GLU LYS LEU ASP          
SEQRES   4 A   75  LYS GLY GLU VAL ILE ILE ALA GLN PHE THR GLU HIS THR          
SEQRES   5 A   75  SER ALA ILE LYS VAL ARG GLY GLU ALA LEU ILE GLN THR          
SEQRES   6 A   75  ALA TYR GLY GLU MET LYS ASN GLU LYS LYS                      
SEQRES   1 B   75  MET ASN GLN LYS HIS SER SER ASP PHE VAL VAL ILE LYS          
SEQRES   2 B   75  ALA VAL GLU ASP GLY VAL ASN VAL ILE GLY LEU THR ARG          
SEQRES   3 B   75  GLY THR ASP THR LYS PHE HIS HIS SER GLU LYS LEU ASP          
SEQRES   4 B   75  LYS GLY GLU VAL ILE ILE ALA GLN PHE THR GLU HIS THR          
SEQRES   5 B   75  SER ALA ILE LYS VAL ARG GLY GLU ALA LEU ILE GLN THR          
SEQRES   6 B   75  ALA TYR GLY GLU MET LYS ASN GLU LYS LYS                      
SEQRES   1 C   75  MET ASN GLN LYS HIS SER SER ASP PHE VAL VAL ILE LYS          
SEQRES   2 C   75  ALA VAL GLU ASP GLY VAL ASN VAL ILE GLY LEU THR ARG          
SEQRES   3 C   75  GLY THR ASP THR LYS PHE HIS HIS SER GLU LYS LEU ASP          
SEQRES   4 C   75  LYS GLY GLU VAL ILE ILE ALA GLN PHE THR GLU HIS THR          
SEQRES   5 C   75  SER ALA ILE LYS VAL ARG GLY GLU ALA LEU ILE GLN THR          
SEQRES   6 C   75  ALA TYR GLY GLU MET LYS ASN GLU LYS LYS                      
SEQRES   1 D   75  MET ASN GLN LYS HIS SER SER ASP PHE VAL VAL ILE LYS          
SEQRES   2 D   75  ALA VAL GLU ASP GLY VAL ASN VAL ILE GLY LEU THR ARG          
SEQRES   3 D   75  GLY THR ASP THR LYS PHE HIS HIS SER GLU LYS LEU ASP          
SEQRES   4 D   75  LYS GLY GLU VAL ILE ILE ALA GLN PHE THR GLU HIS THR          
SEQRES   5 D   75  SER ALA ILE LYS VAL ARG GLY GLU ALA LEU ILE GLN THR          
SEQRES   6 D   75  ALA TYR GLY GLU MET LYS ASN GLU LYS LYS                      
SEQRES   1 E   75  MET ASN GLN LYS HIS SER SER ASP PHE VAL VAL ILE LYS          
SEQRES   2 E   75  ALA VAL GLU ASP GLY VAL ASN VAL ILE GLY LEU THR ARG          
SEQRES   3 E   75  GLY THR ASP THR LYS PHE HIS HIS SER GLU LYS LEU ASP          
SEQRES   4 E   75  LYS GLY GLU VAL ILE ILE ALA GLN PHE THR GLU HIS THR          
SEQRES   5 E   75  SER ALA ILE LYS VAL ARG GLY GLU ALA LEU ILE GLN THR          
SEQRES   6 E   75  ALA TYR GLY GLU MET LYS ASN GLU LYS LYS                      
SEQRES   1 F   75  MET ASN GLN LYS HIS SER SER ASP PHE VAL VAL ILE LYS          
SEQRES   2 F   75  ALA VAL GLU ASP GLY VAL ASN VAL ILE GLY LEU THR ARG          
SEQRES   3 F   75  GLY THR ASP THR LYS PHE HIS HIS SER GLU LYS LEU ASP          
SEQRES   4 F   75  LYS GLY GLU VAL ILE ILE ALA GLN PHE THR GLU HIS THR          
SEQRES   5 F   75  SER ALA ILE LYS VAL ARG GLY GLU ALA LEU ILE GLN THR          
SEQRES   6 F   75  ALA TYR GLY GLU MET LYS ASN GLU LYS LYS                      
HET    TRP  A  81      15                                                       
HET    TRP  B  81      15                                                       
HET    TRP  C  81      15                                                       
HET    TRP  D  81      15                                                       
HET    TRP  E  81      15                                                       
HET    TRP  F  81      15                                                       
HETNAM     TRP TRYPTOPHAN                                                       
FORMUL   7  TRP    6(C11 H12 N2 O2)                                             
FORMUL  13  HOH   *27(H2 O)                                                     
SHEET    1  AA 4 VAL A  43  GLN A  47  0                                        
SHEET    2  AA 4 PHE A   9  ALA A  14 -1  O  VAL A  10   N  ALA A  46           
SHEET    3  AA 4 ALA A  61  THR A  65 -1  O  LEU A  62   N  LYS A  13           
SHEET    4  AA 4 GLY A  68  GLU A  69 -1  O  GLY A  68   N  THR A  65           
SHEET    1  AB 7 PHE A  32  LEU A  38  0                                        
SHEET    2  AB 7 VAL A  19  THR A  25 -1  O  VAL A  19   N  LEU A  38           
SHEET    3  AB 7 THR A  52  ARG A  58 -1  N  SER A  53   O  LEU A  24           
SHEET    4  AB 7 VAL B  43  GLN B  47 -1  O  VAL B  43   N  VAL A  57           
SHEET    5  AB 7 PHE B   9  ALA B  14 -1  O  VAL B  10   N  ALA B  46           
SHEET    6  AB 7 ALA B  61  THR B  65 -1  O  LEU B  62   N  LYS B  13           
SHEET    7  AB 7 GLY B  68  GLU B  69 -1  O  GLY B  68   N  THR B  65           
SHEET    1  BA 7 PHE B  32  LEU B  38  0                                        
SHEET    2  BA 7 VAL B  19  THR B  25 -1  O  VAL B  19   N  LEU B  38           
SHEET    3  BA 7 THR B  52  ARG B  58 -1  N  SER B  53   O  LEU B  24           
SHEET    4  BA 7 VAL C  43  GLN C  47 -1  O  VAL C  43   N  VAL B  57           
SHEET    5  BA 7 PHE C   9  ALA C  14 -1  O  VAL C  10   N  ALA C  46           
SHEET    6  BA 7 ALA C  61  THR C  65 -1  O  LEU C  62   N  LYS C  13           
SHEET    7  BA 7 GLY C  68  MET C  70 -1  O  GLY C  68   N  THR C  65           
SHEET    1  CA 7 PHE C  32  LEU C  38  0                                        
SHEET    2  CA 7 VAL C  19  THR C  25 -1  O  VAL C  19   N  LEU C  38           
SHEET    3  CA 7 THR C  52  ARG C  58 -1  N  SER C  53   O  LEU C  24           
SHEET    4  CA 7 VAL D  43  GLN D  47 -1  O  VAL D  43   N  VAL C  57           
SHEET    5  CA 7 PHE D   9  ALA D  14 -1  O  VAL D  10   N  ALA D  46           
SHEET    6  CA 7 ALA D  61  THR D  65 -1  O  LEU D  62   N  LYS D  13           
SHEET    7  CA 7 GLY D  68  MET D  70 -1  O  GLY D  68   N  THR D  65           
SHEET    1  DA 7 PHE D  32  LEU D  38  0                                        
SHEET    2  DA 7 VAL D  19  THR D  25 -1  O  VAL D  19   N  LEU D  38           
SHEET    3  DA 7 THR D  52  ARG D  58 -1  N  SER D  53   O  LEU D  24           
SHEET    4  DA 7 VAL E  43  GLN E  47 -1  O  VAL E  43   N  VAL D  57           
SHEET    5  DA 7 PHE E   9  ALA E  14 -1  O  VAL E  10   N  ALA E  46           
SHEET    6  DA 7 ALA E  61  THR E  65 -1  O  LEU E  62   N  LYS E  13           
SHEET    7  DA 7 GLY E  68  MET E  70 -1  O  GLY E  68   N  THR E  65           
SHEET    1  EA 7 PHE E  32  LEU E  38  0                                        
SHEET    2  EA 7 VAL E  19  THR E  25 -1  O  VAL E  19   N  LEU E  38           
SHEET    3  EA 7 THR E  52  ARG E  58 -1  N  SER E  53   O  LEU E  24           
SHEET    4  EA 7 VAL F  43  GLN F  47 -1  O  VAL F  43   N  VAL E  57           
SHEET    5  EA 7 PHE F   9  ALA F  14 -1  O  VAL F  10   N  ALA F  46           
SHEET    6  EA 7 ALA F  61  THR F  65 -1  O  LEU F  62   N  LYS F  13           
SHEET    7  EA 7 GLY F  68  MET F  70 -1  O  GLY F  68   N  THR F  65           
SHEET    1  FA 3 PHE F  32  LEU F  38  0                                        
SHEET    2  FA 3 VAL F  19  THR F  25 -1  O  VAL F  19   N  LEU F  38           
SHEET    3  FA 3 THR F  52  ARG F  58 -1  N  SER F  53   O  LEU F  24           
SITE     1 AC1 10 GLY A  23  GLN A  47  THR A  49  THR A  52                    
SITE     2 AC1 10 THR F  25  ARG F  26  GLY F  27  ASP F  29                    
SITE     3 AC1 10 THR F  30  SER F  53                                          
SITE     1 AC2 10 THR A  25  ARG A  26  GLY A  27  ASP A  29                    
SITE     2 AC2 10 THR A  30  SER A  53  GLY B  23  GLN B  47                    
SITE     3 AC2 10 THR B  49  THR B  52                                          
SITE     1 AC3 10 THR B  25  ARG B  26  GLY B  27  ASP B  29                    
SITE     2 AC3 10 THR B  30  SER B  53  GLY C  23  GLN C  47                    
SITE     3 AC3 10 THR C  49  THR C  52                                          
SITE     1 AC4 10 THR C  25  ARG C  26  GLY C  27  ASP C  29                    
SITE     2 AC4 10 THR C  30  SER C  53  GLY D  23  GLN D  47                    
SITE     3 AC4 10 THR D  49  THR D  52                                          
SITE     1 AC5 10 THR D  25  ARG D  26  GLY D  27  ASP D  29                    
SITE     2 AC5 10 THR D  30  SER D  53  GLY E  23  GLN E  47                    
SITE     3 AC5 10 THR E  49  THR E  52                                          
SITE     1 AC6 10 THR E  25  ARG E  26  GLY E  27  ASP E  29                    
SITE     2 AC6 10 THR E  30  SER E  53  GLY F  23  GLN F  47                    
SITE     3 AC6 10 THR F  49  THR F  52                                          
CRYST1  109.467  110.151   46.229  90.00  90.00  90.00 P 21 21 2    24          
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      0.009135  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.009078  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.021631        0.00000