HEADER    TRANSLATION/REGULATION                  05-DEC-98   1B28              
TITLE     ARC REPRESSOR MYL MUTANT FROM SALMONELLA BACTERIOPHAGE P22            
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: PROTEIN (REGULATORY PROTEIN ARC);                          
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MUTATION: YES                                                        
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ENTEROBACTERIA PHAGE P22;                       
SOURCE   3 ORGANISM_TAXID: 10754;                                               
SOURCE   4 GENE: MUTATED ARC GENE;                                              
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: X90;                                       
SOURCE   8 EXPRESSION_SYSTEM_PLASMID: PSA300-MYL                                
KEYWDS    TRANSCRIPTION REGULATION, HYPERSTABLE MUTANT, ARC REPRESSOR,          
KEYWDS   2 TRANSLATION-REGULATION COMPLEX                                       
EXPDTA    SOLUTION NMR                                                          
NUMMDL    14                                                                    
AUTHOR    A.W.M.RIETVELD,I.M.A.NOOREN,R.T.SAUER,R.KAPTEIN,R.BOELENS             
REVDAT   5   27-DEC-23 1B28    1       REMARK                                   
REVDAT   4   03-NOV-21 1B28    1       REMARK SEQADV                            
REVDAT   3   24-FEB-09 1B28    1       VERSN                                    
REVDAT   2   01-APR-03 1B28    1       JRNL                                     
REVDAT   1   03-NOV-99 1B28    0                                                
JRNL        AUTH   I.M.NOOREN,A.W.RIETVELD,G.MELACINI,R.T.SAUER,R.KAPTEIN,      
JRNL        AUTH 2 R.BOELENS                                                    
JRNL        TITL   THE SOLUTION STRUCTURE AND DYNAMICS OF AN ARC REPRESSOR      
JRNL        TITL 2 MUTANT REVEAL PREMELTING CONFORMATIONAL CHANGES RELATED TO   
JRNL        TITL 3 DNA BINDING.                                                 
JRNL        REF    BIOCHEMISTRY                  V.  38  6035 1999              
JRNL        REFN                   ISSN 0006-2960                               
JRNL        PMID   10320329                                                     
JRNL        DOI    10.1021/BI982677T                                            
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   C.D.WALDBURGER,J.F.SCHILDBACH,R.T.SAUER                      
REMARK   1  TITL   ARE BURIED SALT BRIDGES IMPORTANT FOR PROTEIN STABILITY AND  
REMARK   1  TITL 2 CONFORMATIONAL SPECIFICITY?                                  
REMARK   1  REF    NAT.STRUCT.BIOL.              V.   2   122 1995              
REMARK   1  REFN                   ISSN 1072-8368                               
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : DISCOVER                                             
REMARK   3   AUTHORS     : BIOSYM                                               
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1B28 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-DEC-98.                  
REMARK 100 THE DEPOSITION ID IS D_1000000225.                                   
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 303                                
REMARK 210  PH                             : 4.5                                
REMARK 210  IONIC STRENGTH                 : 50 MM KPI, 150 MM NACL             
REMARK 210  PRESSURE                       : NULL                               
REMARK 210  SAMPLE CONTENTS                : NULL                               
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : NOESY; TOCSY; ROESY; 3D-NOESY      
REMARK 210                                   -HSQC; 3D TOCSY-HSQC               
REMARK 210  SPECTROMETER FIELD STRENGTH    : 500 MHZ; 600 MHZ                   
REMARK 210  SPECTROMETER MODEL             : AMX500; DMX600                     
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : DISCOVER                           
REMARK 210   METHOD USED                   : SIMULATED ANNEALING                
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 40                                 
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 14                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : LEAST RESTRAINT VIOLATION AND      
REMARK 210                                   TOTAL ENERGY                       
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : NULL                
REMARK 210                                                                      
REMARK 210 REMARK: THE STRUCTURE WAS DETERMINED USING MULTI-DIMENSIONAL NMR     
REMARK 210  SPECTROCOPY ON 15N LABELED ARC-MYL                                  
REMARK 215                                                                      
REMARK 215 NMR STUDY                                                            
REMARK 215 THE COORDINATES IN THIS ENTRY WERE GENERATED FROM SOLUTION           
REMARK 215 NMR DATA.  PROTEIN DATA BANK CONVENTIONS REQUIRE THAT                
REMARK 215 CRYST1 AND SCALE RECORDS BE INCLUDED, BUT THE VALUES ON              
REMARK 215 THESE RECORDS ARE MEANINGLESS.                                       
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 APPLY THE FOLLOWING TO CHAINS: A, B                                  
REMARK 350   BIOMT1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 350   BIOMT2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 350   BIOMT3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS                                             
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   HA   LYS A     6     HB3  ARG B   113              1.02            
REMARK 500   HB2  LYS A    46    HH21  ARG A    50              1.25            
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND ANGLES                                       
REMARK 500                                                                      
REMARK 500 THE STEREOCHEMICAL PARAMETERS OF THE FOLLOWING RESIDUES              
REMARK 500 HAVE VALUES WHICH DEVIATE FROM EXPECTED VALUES BY MORE               
REMARK 500 THAN 6*RMSD (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN               
REMARK 500 IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                 
REMARK 500                                                                      
REMARK 500 STANDARD TABLE:                                                      
REMARK 500 FORMAT: (10X,I3,1X,A3,1X,A1,I4,A1,3(1X,A4,2X),12X,F5.1)              
REMARK 500                                                                      
REMARK 500 EXPECTED VALUES PROTEIN: ENGH AND HUBER, 1999                        
REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996                     
REMARK 500                                                                      
REMARK 500  M RES CSSEQI ATM1   ATM2   ATM3                                     
REMARK 500  1 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500  1 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500  2 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500  2 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500  3 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500  3 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500  4 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500  4 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500  5 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500  5 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500  6 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500  6 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.5 DEGREES          
REMARK 500  7 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500  7 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500  8 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500  8 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500  9 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500  9 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500 10 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500 10 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500 11 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500 11 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500 12 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.8 DEGREES          
REMARK 500 12 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.6 DEGREES          
REMARK 500 13 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.4 DEGREES          
REMARK 500 13 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500 14 TRP A  14   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.7 DEGREES          
REMARK 500 14 TRP B 114   CD1 -  NE1 -  CE2 ANGL. DEV. =  -5.6 DEGREES          
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  1 LYS A   2      112.26     84.22                                   
REMARK 500  1 MET A   4      -52.75   -135.80                                   
REMARK 500  1 SER A   5      -56.04   -146.51                                   
REMARK 500  1 MET A   7      -60.51   -137.26                                   
REMARK 500  1 PHE A  45       69.09   -103.40                                   
REMARK 500  1 LYS A  47       33.28    118.44                                   
REMARK 500  1 ARG A  50      -87.81   -112.38                                   
REMARK 500  1 LYS B 102      109.44   -171.88                                   
REMARK 500  1 MET B 104      -64.32   -101.25                                   
REMARK 500  1 SER B 105      -71.81    -85.50                                   
REMARK 500  1 LYS B 106      -86.96   -145.11                                   
REMARK 500  1 LYS B 146      -36.94    165.69                                   
REMARK 500  1 GLU B 148      -32.85    169.70                                   
REMARK 500  1 ARG B 150      -84.21   -105.49                                   
REMARK 500  2 LYS A   2      103.71   -169.37                                   
REMARK 500  2 SER A   5      -95.17    -77.59                                   
REMARK 500  2 LYS A   6      -54.33   -126.83                                   
REMARK 500  2 PHE A  45       67.35   -152.26                                   
REMARK 500  2 LYS A  47       33.58    126.67                                   
REMARK 500  2 ARG A  50      -85.78   -123.71                                   
REMARK 500  2 LYS B 102      108.38    133.50                                   
REMARK 500  2 MET B 104      -50.92   -139.02                                   
REMARK 500  2 SER B 105      -33.89   -160.55                                   
REMARK 500  2 LYS B 106       35.66    -87.02                                   
REMARK 500  2 MET B 107      -49.47   -132.57                                   
REMARK 500  2 SER B 144      -66.67    -97.57                                   
REMARK 500  2 LYS B 146      -42.52   -138.15                                   
REMARK 500  2 LYS B 147       48.18    138.64                                   
REMARK 500  2 GLU B 148      -30.63   -151.54                                   
REMARK 500  2 ILE B 151      -53.64   -120.65                                   
REMARK 500  3 LYS A   2       99.39    143.87                                   
REMARK 500  3 MET A   4      -39.30   -140.26                                   
REMARK 500  3 SER A   5      -40.59   -159.92                                   
REMARK 500  3 LYS A   6       30.06    -86.38                                   
REMARK 500  3 MET A   7      -48.64   -149.68                                   
REMARK 500  3 SER A  44      -71.94    -93.72                                   
REMARK 500  3 LYS A  46      -58.83    169.61                                   
REMARK 500  3 ARG A  50      -84.95   -131.57                                   
REMARK 500  3 LYS B 102      106.93    115.96                                   
REMARK 500  3 MET B 104       36.56   -173.71                                   
REMARK 500  3 MET B 107       46.05   -162.07                                   
REMARK 500  3 LYS B 146      -59.62   -166.82                                   
REMARK 500  3 LYS B 147       23.71    163.59                                   
REMARK 500  3 ARG B 150      -97.26   -137.92                                   
REMARK 500  4 LYS A   2      -76.39    132.29                                   
REMARK 500  4 MET A   4       43.81   -162.66                                   
REMARK 500  4 SER A   5      -37.38     78.00                                   
REMARK 500  4 MET A   7      -47.85   -151.50                                   
REMARK 500  4 PHE A  45       99.59    -69.18                                   
REMARK 500  4 LYS A  46      -41.66    161.21                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS     207 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: PLANAR GROUPS                                              
REMARK 500                                                                      
REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL                 
REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE                    
REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN                    
REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS                        
REMARK 500 AN RMSD GREATER THAN THIS VALUE                                      
REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER;               
REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE).                             
REMARK 500                                                                      
REMARK 500  M RES CSSEQI        RMS     TYPE                                    
REMARK 500  1 TYR A  36         0.07    SIDE CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
DBREF  1B28 A    1    53  UNP    P03050   RARC_BPP22       1     53             
DBREF  1B28 B  101   153  UNP    P03050   RARC_BPP22       1     53             
SEQADV 1B28 MET A   31  UNP  P03050    ARG    31 ENGINEERED MUTATION            
SEQADV 1B28 TYR A   36  UNP  P03050    GLU    36 ENGINEERED MUTATION            
SEQADV 1B28 LEU A   40  UNP  P03050    ARG    40 ENGINEERED MUTATION            
SEQADV 1B28 MET B  131  UNP  P03050    ARG    31 ENGINEERED MUTATION            
SEQADV 1B28 TYR B  136  UNP  P03050    GLU    36 ENGINEERED MUTATION            
SEQADV 1B28 LEU B  140  UNP  P03050    ARG    40 ENGINEERED MUTATION            
SEQRES   1 A   53  MET LYS GLY MET SER LYS MET PRO GLN PHE ASN LEU ARG          
SEQRES   2 A   53  TRP PRO ARG GLU VAL LEU ASP LEU VAL ARG LYS VAL ALA          
SEQRES   3 A   53  GLU GLU ASN GLY MET SER VAL ASN SER TYR ILE TYR GLN          
SEQRES   4 A   53  LEU VAL MET GLU SER PHE LYS LYS GLU GLY ARG ILE GLY          
SEQRES   5 A   53  ALA                                                          
SEQRES   1 B   53  MET LYS GLY MET SER LYS MET PRO GLN PHE ASN LEU ARG          
SEQRES   2 B   53  TRP PRO ARG GLU VAL LEU ASP LEU VAL ARG LYS VAL ALA          
SEQRES   3 B   53  GLU GLU ASN GLY MET SER VAL ASN SER TYR ILE TYR GLN          
SEQRES   4 B   53  LEU VAL MET GLU SER PHE LYS LYS GLU GLY ARG ILE GLY          
SEQRES   5 B   53  ALA                                                          
HELIX    1   1 ARG A   16  GLU A   28  1                                  13    
HELIX    2   2 VAL A   33  GLU A   43  1                                  11    
HELIX    3   3 ARG B  116  GLU B  128  1                                  13    
HELIX    4   4 VAL B  133  SER B  144  1                                  12    
SHEET    1   A 2 GLN A   9  ARG A  13  0                                        
SHEET    2   A 2 GLN B 109  ARG B 113 -1  N  LEU B 112   O  PHE A  10           
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1           1          
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      1.000000  0.000000  0.000000        0.00000                         
SCALE2      0.000000  1.000000  0.000000        0.00000                         
SCALE3      0.000000  0.000000  1.000000        0.00000                         
MODEL        1