PDB Short entry for 1OSL
HEADER    TRANSCRIPTION/DNA                       20-MAR-03   1OSL              
TITLE     SOLUTION STRUCTURE OF A DIMERIC LACTOSE DNA-BINDING DOMAIN            
TITLE    2 COMPLEXED TO A NONSPECIFIC DNA SEQUENCE                              
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: LACTOSE OPERON REPRESSOR;                                  
COMPND   3 CHAIN: A, B;                                                         
COMPND   4 FRAGMENT: N-TERMINAL DNA-BINDING DOMAIN, RESIDUES 1-62;              
COMPND   5 ENGINEERED: YES;                                                     
COMPND   6 MUTATION: YES;                                                       
COMPND   7 MOL_ID: 2;                                                           
COMPND   8 MOLECULE: 5'-                                                        
COMPND   9 D(*CP*GP*AP*TP*AP*AP*GP*AP*TP*AP*TP*CP*TP*TP*AP*TP*CP*G)-            
COMPND  10 3';                                                                  
COMPND  11 CHAIN: C, D;                                                         
COMPND  12 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   3 ORGANISM_TAXID: 562;                                                 
SOURCE   4 GENE: LACI;                                                          
SOURCE   5 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   6 EXPRESSION_SYSTEM_TAXID: 562;                                        
SOURCE   7 EXPRESSION_SYSTEM_STRAIN: DH9;                                       
SOURCE   8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID;                              
SOURCE   9 EXPRESSION_SYSTEM_PLASMID: PET-HP62-V52C;                            
SOURCE  10 MOL_ID: 2;                                                           
SOURCE  11 SYNTHETIC: YES                                                       
KEYWDS    PROTEIN-DNA COMPLEX, LAC REPRESSOR, NONSPECIFIC INTERACTION,          
KEYWDS   2 TRANSCRIPTION/DNA COMPLEX                                            
EXPDTA    SOLUTION NMR                                                          
NUMMDL    20                                                                    
AUTHOR    C.G.KALODIMOS,A.M.J.J.BONVIN,R.BOELENS,R.KAPTEIN                      
REVDAT   3   24-FEB-09 1OSL    1       VERSN                                    
REVDAT   2   20-JUL-04 1OSL    1       JRNL                                     
REVDAT   1   04-MAY-04 1OSL    0                                                
JRNL        AUTH   C.G.KALODIMOS,N.BIRIS,A.M.BONVIN,M.M.LEVANDOSKI,             
JRNL        AUTH 2 M.GUENNUEGUES,R.BOELENS,R.KAPTEIN                            
JRNL        TITL   STRUCTURE AND FLEXIBILITY ADAPTATION IN                      
JRNL        TITL 2 NONSPECIFIC AND SPECIFIC PROTEIN-DNA COMPLEXES.              
JRNL        REF    SCIENCE                       V. 305   386 2004              
JRNL        REFN                   ISSN 0036-8075                               
JRNL        PMID   15256668                                                     
JRNL        DOI    10.1126/SCIENCE.1097064                                      
REMARK   1                                                                      
REMARK   2                                                                      
REMARK   2 RESOLUTION. NOT APPLICABLE.                                          
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 1.1                                              
REMARK   3   AUTHORS     : BRUNGER                                              
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: THE STRUCTURE OF THE COMPLEX WAS          
REMARK   3  SOLVED ON THE BASIS OF 70 INTERMOLECULAR RESTRAINTS                 
REMARK   4                                                                      
REMARK   4 1OSL COMPLIES WITH FORMAT V. 3.15, 01-DEC-08                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 18-APR-03.                  
REMARK 100 THE RCSB ID CODE IS RCSB018627.                                      
REMARK 210                                                                      
REMARK 210 EXPERIMENTAL DETAILS                                                 
REMARK 210  EXPERIMENT TYPE                : NMR                                
REMARK 210  TEMPERATURE           (KELVIN) : 300                                
REMARK 210  PH                             : 5.8                                
REMARK 210  IONIC STRENGTH                 : 400MM KCL, 60MM KPI                
REMARK 210  PRESSURE                       : AMBIENT                            
REMARK 210  SAMPLE CONTENTS                : 2MM LAC-HP62-V52C U-15N,13C,       
REMARK 210                                   60MM KPI, 400MM KCL                
REMARK 210                                                                      
REMARK 210  NMR EXPERIMENTS CONDUCTED      : 3D_15N-SEPARATED_NOESY, 3D_        
REMARK 210                                   13C-SEPARATED_NOESY, 13C-15N       
REMARK 210                                   DOUBLE-HALF NOESY FILTER           
REMARK 210  SPECTROMETER FIELD STRENGTH    : 750 MHZ                            
REMARK 210  SPECTROMETER MODEL             : DRX                                
REMARK 210  SPECTROMETER MANUFACTURER      : BRUKER                             
REMARK 210                                                                      
REMARK 210  STRUCTURE DETERMINATION.                                            
REMARK 210   SOFTWARE USED                 : XWINNMR 3.0, NMRPIPE 2.1,          
REMARK 210                                   NMRVIEW 5.0.3, CNS 1.1             
REMARK 210   METHOD USED                   : THE STRUCTURE OF THE COMPLEX       
REMARK 210                                   WAS CALCULATED AS FOLLOWS.         
REMARK 210                                   FIRST THE STRUCTURE OF THE         
REMARK 210                                   DIMERIC LACHP62-V52C WAS           
REMARK 210                                   CALCULATED USING ONLY PROTEIN      
REMARK 210                                   NMR RESTRAINTS. THE 100 BEST       
REMARK 210                                   STRUCTURES WERE SELECTED AND       
REMARK 210                                   DOCKED ONTO THE NONSPECIFIC        
REMARK 210                                   LAC OPERATOR B-DNA USING           
REMARK 210                                   SIMULATED ANNEALING. DISTANCE      
REMARK 210                                   AND PLANARITY RESTRAINTS FOR       
REMARK 210                                   THE DNA WERE INCORPORATED IN       
REMARK 210                                   ORDER TO KEEP DNA CLOSE TO B-      
REMARK 210                                   DNA CONFORMATION.                  
REMARK 210                                                                      
REMARK 210 CONFORMERS, NUMBER CALCULATED   : 400                                
REMARK 210 CONFORMERS, NUMBER SUBMITTED    : 20                                 
REMARK 210 CONFORMERS, SELECTION CRITERIA  : STRUCTURES WITH THE LOWEST         
REMARK 210                                   ENERGY                             
REMARK 210                                                                      
REMARK 210 BEST REPRESENTATIVE CONFORMER IN THIS ENSEMBLE : 1                   
REMARK 210                                                                      
REMARK 210 REMARK: THIS STRUCTURE WAS DETERMINED USING STANDARD 2D AND 3D       
REMARK 210  HOMO- AND HETERONUCLEAR TECHNIQUES. 13C-15N LABELED PROTEIN         
REMARK 210  AND UNLABELED NUCLEOTIDE WERE USED. IN ADDITION ISOTOPE FILTER      
REMARK 210  EXPERIMENTS WERE APPLIED TO OBTAIN ADDITIONAL ASSIGNMENTS AND       
REMARK 210  TO ASSIGN INTER-MOLECULAR NOES. FOR FURTHER DETAILS SEE THE         
REMARK 210  REFERENCE DESCRIBING THE STRUCTURES.                                
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 470                                                                      
REMARK 470 MISSING ATOM                                                         
REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS(M=MODEL NUMBER;            
REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER;          
REMARK 470 I=INSERTION CODE):                                                   
REMARK 470   M RES CSSEQI  ATOMS                                                
REMARK 470  11 ILE B  48    O                                                   
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS                                      
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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3)               
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   RES CSSEQI ATM2   DEVIATION                     
REMARK 500  2 TYR B   7   CE1   TYR B   7   CZ      0.135                       
REMARK 500  2 TYR B   7   CZ    TYR B   7   CE2    -0.132                       
REMARK 500  3 TYR B   7   CE1   TYR B   7   CZ      0.123                       
REMARK 500  3 TYR B   7   CZ    TYR B   7   CE2    -0.131                       
REMARK 500  3 TYR B  17   CE1   TYR B  17   CZ     -0.166                       
REMARK 500  3 TYR B  17   CZ    TYR B  17   CE2     0.147                       
REMARK 500  4 TYR A  12   CE1   TYR A  12   CZ      0.088                       
REMARK 500  4 TYR A  12   CZ    TYR A  12   CE2    -0.091                       
REMARK 500  5 TYR B   7   CE1   TYR B   7   CZ      0.155                       
REMARK 500  5 TYR B   7   CZ    TYR B   7   CE2    -0.155                       
REMARK 500  5 TYR B  47   CZ    TYR B  47   CE2     0.085                       
REMARK 500  6 TYR A  17   CE1   TYR A  17   CZ     -0.084                       
REMARK 500  6 TYR A  17   CZ    TYR A  17   CE2     0.079                       
REMARK 500  6 TYR B   7   CE1   TYR B   7   CZ      0.220                       
REMARK 500  6 TYR B   7   CZ    TYR B   7   CE2    -0.204                       
REMARK 500  6 TYR B  17   CE1   TYR B  17   CZ     -0.168                       
REMARK 500  6 TYR B  17   CZ    TYR B  17   CE2     0.160                       
REMARK 500  8 TYR A  17   CE1   TYR A  17   CZ     -0.090                       
REMARK 500  8 TYR A  17   CZ    TYR A  17   CE2     0.080                       
REMARK 500  8 TYR B  17   CE1   TYR B  17   CZ     -0.127                       
REMARK 500  8 TYR B  17   CZ    TYR B  17   CE2     0.117                       
REMARK 500  9 TYR B   7   CE1   TYR B   7   CZ      0.209                       
REMARK 500  9 TYR B   7   CZ    TYR B   7   CE2    -0.213                       
REMARK 500  9 TYR B  17   CE1   TYR B  17   CZ     -0.184                       
REMARK 500  9 TYR B  17   CZ    TYR B  17   CE2     0.180                       
REMARK 500 10 TYR B   7   CE1   TYR B   7   CZ      0.160                       
REMARK 500 10 TYR B   7   CZ    TYR B   7   CE2    -0.163                       
REMARK 500 10 TYR B  17   CE1   TYR B  17   CZ     -0.127                       
REMARK 500 10 TYR B  17   CZ    TYR B  17   CE2     0.120                       
REMARK 500 11 TYR A  12   CE1   TYR A  12   CZ      0.080                       
REMARK 500 11 TYR A  12   CZ    TYR A  12   CE2    -0.080                       
REMARK 500 11 TYR B   7   CE1   TYR B   7   CZ      0.142                       
REMARK 500 11 TYR B   7   CZ    TYR B   7   CE2    -0.133                       
REMARK 500 12 TYR B  17   CE1   TYR B  17   CZ     -0.095                       
REMARK 500 12 TYR B  17   CZ    TYR B  17   CE2     0.086                       
REMARK 500 13 TYR B   7   CE1   TYR B   7   CZ      0.182                       
REMARK 500 13 TYR B   7   CZ    TYR B   7   CE2    -0.184                       
REMARK 500 13 TYR B  17   CE1   TYR B  17   CZ     -0.105                       
REMARK 500 13 TYR B  17   CZ    TYR B  17   CE2     0.095                       
REMARK 500 14 TYR B  12   CE1   TYR B  12   CZ      0.095                       
REMARK 500 14 TYR B  12   CZ    TYR B  12   CE2    -0.095                       
REMARK 500 15 TYR B   7   CE1   TYR B   7   CZ      0.111                       
REMARK 500 15 TYR B   7   CZ    TYR B   7   CE2    -0.112                       
REMARK 500 16 TYR B   7   CE1   TYR B   7   CZ      0.178                       
REMARK 500 16 TYR B   7   CZ    TYR B   7   CE2    -0.161                       
REMARK 500 16 TYR B  17   CE1   TYR B  17   CZ     -0.146                       
REMARK 500 16 TYR B  17   CZ    TYR B  17   CE2     0.171                       
REMARK 500 17 TYR B   7   CE1   TYR B   7   CZ      0.093                       
REMARK 500 17 TYR B   7   CZ    TYR B   7   CE2    -0.095                       
REMARK 500 18 TYR B   7   CE1   TYR B   7   CZ      0.130                       
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      55 BOND DEVIATIONS.                              
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  4  DA D   3   O4' -  C1' -  N9  ANGL. DEV. =   1.8 DEGREES          
REMARK 500  6 TYR B   7   CD1 -  CE1 -  CZ  ANGL. DEV. =  -5.4 DEGREES          
REMARK 500  6 TYR B   7   CE1 -  CZ  -  OH  ANGL. DEV. = -17.2 DEGREES          
REMARK 500  8  DT C  11   O4' -  C1' -  N1  ANGL. DEV. =   2.0 DEGREES          
REMARK 500 18  DA D   3   O4' -  C1' -  N9  ANGL. DEV. =   1.9 DEGREES          
REMARK 500 19  DT C  11   O4' -  C1' -  N1  ANGL. DEV. =   1.9 DEGREES          
REMARK 500 19 THR B  19   N   -  CA  -  CB  ANGL. DEV. =  11.7 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 PRO A   3     -173.73    -67.20                                   
REMARK 500  1 GLN A  26      -55.63    176.79                                   
REMARK 500  1 HIS A  29       75.19   -101.56                                   
REMARK 500  1 ASN A  46      -47.85     74.48                                   
REMARK 500  1 TYR A  47       96.60     59.58                                   
REMARK 500  1 PRO A  49      -70.45    -61.93                                   
REMARK 500  1 CYS A  52      -91.59   -111.87                                   
REMARK 500  1 ALA A  53       72.86   -173.37                                   
REMARK 500  1 GLN A  54      -67.90   -106.72                                   
REMARK 500  1 ALA A  57      -76.21    -83.42                                   
REMARK 500  1 LYS A  59      -65.92   -130.01                                   
REMARK 500  1 GLN B  26      -44.48    163.63                                   
REMARK 500  1 ASN B  46      -51.81     74.64                                   
REMARK 500  1 TYR B  47       98.45     51.21                                   
REMARK 500  1 ASN B  50       72.71   -153.86                                   
REMARK 500  1 CYS B  52     -100.14    -95.85                                   
REMARK 500  1 ALA B  53       82.27   -161.88                                   
REMARK 500  2 PRO A   3     -109.13    -86.82                                   
REMARK 500  2 GLN A  26      -41.09     86.77                                   
REMARK 500  2 ALA A  27     -121.34     63.50                                   
REMARK 500  2 SER A  28      -50.05   -166.22                                   
REMARK 500  2 HIS A  29     -131.53    -99.89                                   
REMARK 500  2 VAL A  30      150.40     73.93                                   
REMARK 500  2 ASN A  46      -45.82     73.33                                   
REMARK 500  2 TYR A  47       87.09     54.09                                   
REMARK 500  2 ARG A  51       48.27    -99.71                                   
REMARK 500  2 GLN A  55      -49.02   -140.56                                   
REMARK 500  2 LEU A  56      -78.54   -179.76                                   
REMARK 500  2 LYS A  59     -140.66     64.86                                   
REMARK 500  2 LYS B   2      116.27   -160.25                                   
REMARK 500  2 GLN B  26       74.16     87.94                                   
REMARK 500  2 ASN B  46      -57.23     75.30                                   
REMARK 500  2 TYR B  47      107.86     53.01                                   
REMARK 500  2 ARG B  51       81.70   -157.52                                   
REMARK 500  2 ALA B  53     -157.51     64.73                                   
REMARK 500  2 GLN B  55       19.43   -161.33                                   
REMARK 500  2 LYS B  59      -75.54   -129.26                                   
REMARK 500  3 GLN A  26      -58.44    178.42                                   
REMARK 500  3 ASN A  46      -48.00     74.25                                   
REMARK 500  3 TYR A  47       76.01     49.90                                   
REMARK 500  3 ASN A  50      -68.49   -153.49                                   
REMARK 500  3 ARG A  51      -71.94    -90.36                                   
REMARK 500  3 CYS A  52      -70.60    178.33                                   
REMARK 500  3 ALA A  53     -160.14   -179.99                                   
REMARK 500  3 GLN A  54      -77.73    -64.76                                   
REMARK 500  3 GLN A  55       27.69   -143.01                                   
REMARK 500  3 LYS B   2      -59.84   -124.10                                   
REMARK 500  3 GLN B  26      -46.21    161.99                                   
REMARK 500  3 ALA B  53     -169.62     74.66                                   
REMARK 500  3 GLN B  54      -92.70    -84.01                                   
REMARK 500  3 LYS B  59       82.08     72.35                                   
REMARK 500  4 LYS A   2      124.84     76.68                                   
REMARK 500  4 GLN A  26       79.22    102.08                                   
REMARK 500  4 HIS A  29       68.95     69.31                                   
REMARK 500  4 ASN A  46      -51.62     75.44                                   
REMARK 500  4 TYR A  47       90.80     43.82                                   
REMARK 500  4 PRO A  49       37.15    -79.34                                   
REMARK 500  4 GLN A  54      -75.79    -99.92                                   
REMARK 500  4 GLN B  18       13.10    -69.90                                   
REMARK 500  4 GLN B  26       82.49     92.55                                   
REMARK 500  4 HIS B  29       74.88   -154.23                                   
REMARK 500  4 ASN B  46      -47.54     73.78                                   
REMARK 500  4 TYR B  47       95.46     56.54                                   
REMARK 500  4 ARG B  51       89.13     82.96                                   
REMARK 500  4 CYS B  52     -123.57   -100.65                                   
REMARK 500  4 ALA B  53      -87.41   -161.76                                   
REMARK 500  4 GLN B  54        1.48   -159.57                                   
REMARK 500  4 LEU B  56      105.60     65.39                                   
REMARK 500  5 PRO A   3     -102.94    -94.81                                   
REMARK 500  5 GLN A  26      -21.00    121.92                                   
REMARK 500  5 ALA A  27     -145.10     62.03                                   
REMARK 500  5 SER A  28      -46.25   -157.98                                   
REMARK 500  5 HIS A  29     -109.25   -132.05                                   
REMARK 500  5 VAL A  30      154.90     71.70                                   
REMARK 500  5 ASN A  46      -52.74     73.88                                   
REMARK 500  5 TYR A  47       92.99     56.07                                   
REMARK 500  5 ASN A  50      -91.44   -163.53                                   
REMARK 500  5 CYS A  52     -122.92   -122.32                                   
REMARK 500  5 GLN A  54     -168.14   -113.97                                   
REMARK 500  5 GLN A  55       43.05    -79.24                                   
REMARK 500  5 LEU A  56     -116.25     53.91                                   
REMARK 500  5 GLN A  60      -87.65     64.60                                   
REMARK 500  5 GLN B  26       84.96     90.07                                   
REMARK 500  5 ASN B  46      -52.47     74.92                                   
REMARK 500  5 TYR B  47       93.24     41.33                                   
REMARK 500  5 ARG B  51      -74.56   -144.42                                   
REMARK 500  5 CYS B  52      -36.55   -155.55                                   
REMARK 500  5 ALA B  53     -178.45     68.57                                   
REMARK 500  5 GLN B  54      -70.33    -99.04                                   
REMARK 500  5 SER B  61       41.94   -156.67                                   
REMARK 500  6 PRO A   3      -89.63    -63.01                                   
REMARK 500  6 GLN A  26       73.36    175.23                                   
REMARK 500  6 ASN A  46      -45.62     72.59                                   
REMARK 500  6 TYR A  47       85.80     54.87                                   
REMARK 500  6 ALA A  53     -127.76     67.84                                   
REMARK 500  6 GLN A  54      -73.05   -153.71                                   
REMARK 500  6 ALA A  57       89.10   -150.62                                   
REMARK 500  6 SER A  61      -48.86     71.30                                   
REMARK 500  6 SER B  16      155.06    -47.89                                   
REMARK 500  6 GLN B  26      -41.48    161.28                                   
REMARK 500  6 HIS B  29     -130.61   -128.65                                   
REMARK 500  6 VAL B  30      157.35     71.20                                   
REMARK 500  6 ASN B  46      -42.46     74.12                                   
REMARK 500  6 TYR B  47      -71.00     68.52                                   
REMARK 500  6 ILE B  48      138.38     70.61                                   
REMARK 500  6 ASN B  50      -66.40     69.64                                   
REMARK 500  6 ARG B  51       10.23   -154.01                                   
REMARK 500  6 CYS B  52      117.39   -163.55                                   
REMARK 500  6 ALA B  53     -147.83   -145.94                                   
REMARK 500  6 GLN B  54      -18.66     72.70                                   
REMARK 500  6 GLN B  60      -82.22     64.71                                   
REMARK 500  7 GLN A  26       90.23     89.97                                   
REMARK 500  7 HIS A  29     -124.55   -131.62                                   
REMARK 500  7 VAL A  30      156.08     71.17                                   
REMARK 500  7 ASN A  46      -45.29     74.90                                   
REMARK 500  7 TYR A  47       84.15     53.61                                   
REMARK 500  7 ASN A  50     -123.97   -118.43                                   
REMARK 500  7 CYS A  52      134.30    174.19                                   
REMARK 500  7 GLN A  55      -42.23   -172.24                                   
REMARK 500  7 LEU A  56     -155.56     54.50                                   
REMARK 500  7 SER A  61      -76.17    -99.74                                   
REMARK 500  7 PRO B   3     -156.82    -85.16                                   
REMARK 500  7 SER B  16      156.77    -47.82                                   
REMARK 500  7 GLN B  26       81.33     89.78                                   
REMARK 500  7 ASN B  46      -45.86     74.21                                   
REMARK 500  7 TYR B  47       82.87     47.67                                   
REMARK 500  7 ARG B  51       39.87   -157.99                                   
REMARK 500  7 CYS B  52      -47.45   -130.87                                   
REMARK 500  7 ALA B  53     -167.34     68.63                                   
REMARK 500  7 GLN B  54     -127.33   -121.08                                   
REMARK 500  7 LYS B  59      -35.02   -140.56                                   
REMARK 500  8 GLN A  26      -42.37    153.63                                   
REMARK 500  8 ALA A  27      175.35     63.90                                   
REMARK 500  8 SER A  28      -76.64   -172.92                                   
REMARK 500  8 ASN A  46      -51.78     73.73                                   
REMARK 500  8 TYR A  47       85.56     49.75                                   
REMARK 500  8 ILE A  48      -57.90   -124.89                                   
REMARK 500  8 ARG A  51      -30.50    170.36                                   
REMARK 500  8 CYS A  52      -60.12   -173.72                                   
REMARK 500  8 ALA A  53     -169.80   -177.44                                   
REMARK 500  8 GLN A  60       54.59   -155.85                                   
REMARK 500  8 LYS B   2      105.09     68.09                                   
REMARK 500  8 GLN B  26       82.67     95.32                                   
REMARK 500  8 ALA B  32      -71.16    -58.60                                   
REMARK 500  8 ASN B  46      -54.21     76.88                                   
REMARK 500  8 TYR B  47       95.73     45.27                                   
REMARK 500  8 PRO B  49       38.56    -86.74                                   
REMARK 500  8 ARG B  51       32.49   -143.30                                   
REMARK 500  8 CYS B  52      123.24   -175.19                                   
REMARK 500  8 ALA B  53       77.34   -106.91                                   
REMARK 500  8 GLN B  54      -67.73    -97.71                                   
REMARK 500  8 LEU B  56      117.24   -161.25                                   
REMARK 500  8 ALA B  57      109.41   -172.19                                   
REMARK 500  8 GLN B  60      -73.88   -150.32                                   
REMARK 500  9 GLN A  26      -64.22    171.83                                   
REMARK 500  9 ALA A  27       68.96     66.25                                   
REMARK 500  9 ALA A  32      -71.78    -63.08                                   
REMARK 500  9 ASN A  46      -39.78     70.71                                   
REMARK 500  9 ARG A  51       81.39   -178.22                                   
REMARK 500  9 GLN A  54      -42.71   -137.08                                   
REMARK 500  9 GLN A  55       30.09    -76.36                                   
REMARK 500  9 ALA A  57      -82.36   -146.72                                   
REMARK 500  9 LYS A  59      -56.49   -153.45                                   
REMARK 500  9 LYS B   2      -56.37   -173.53                                   
REMARK 500  9 SER B  16      158.92    -49.68                                   
REMARK 500  9 GLN B  26      -41.41    157.92                                   
REMARK 500  9 ALA B  27       71.97     60.22                                   
REMARK 500  9 ALA B  32      -70.87    -71.28                                   
REMARK 500  9 PRO B  49       41.86    -75.83                                   
REMARK 500  9 ASN B  50     -133.69   -164.80                                   
REMARK 500  9 ARG B  51      -33.50    167.51                                   
REMARK 500  9 CYS B  52      108.66     79.89                                   
REMARK 500  9 ALA B  53       82.23     63.60                                   
REMARK 500  9 GLN B  54      -75.10   -108.29                                   
REMARK 500  9 ALA B  57       50.17   -161.51                                   
REMARK 500  9 GLN B  60     -158.41   -107.73                                   
REMARK 500 10 PRO A   3      -77.95    -78.89                                   
REMARK 500 10 GLN A  26      -43.63     86.57                                   
REMARK 500 10 ALA A  27     -134.32     61.51                                   
REMARK 500 10 SER A  28      -43.98   -160.52                                   
REMARK 500 10 HIS A  29     -129.35   -106.31                                   
REMARK 500 10 VAL A  30      151.53     74.84                                   
REMARK 500 10 ASN A  46      -47.47     74.61                                   
REMARK 500 10 ASN A  50     -126.97   -118.39                                   
REMARK 500 10 CYS A  52      130.90    179.54                                   
REMARK 500 10 GLN A  55       40.28    -88.72                                   
REMARK 500 10 SER A  61      -54.36     71.17                                   
REMARK 500 10 PRO B   3     -157.38    -73.79                                   
REMARK 500 10 GLN B  26       81.57     95.91                                   
REMARK 500 10 ASN B  46      -48.62     73.10                                   
REMARK 500 10 CYS B  52      -55.85   -135.17                                   
REMARK 500 10 ALA B  53       82.37     65.35                                   
REMARK 500 10 GLN B  54      -78.54    -81.29                                   
REMARK 500 11 PRO A   3     -155.49    -84.18                                   
REMARK 500 11 GLN A  26      -82.99   -161.21                                   
REMARK 500 11 ASN A  46      -47.56     74.63                                   
REMARK 500 11 TYR A  47       77.81     41.65                                   
REMARK 500 11 ILE A  48      107.76    -48.92                                   
REMARK 500 11 ASN A  50     -118.64   -133.75                                   
REMARK 500 11 ALA A  53     -176.93   -172.68                                   
REMARK 500 11 GLN A  55      -10.15     70.22                                   
REMARK 500 11 LYS B   2       72.75     65.33                                   
REMARK 500 11 GLN B  26      -35.63    151.44                                   
REMARK 500 11 ASN B  46      -51.07     74.04                                   
REMARK 500 11 TYR B  47       85.07     51.08                                   
REMARK 500 11 ASN B  50      105.16   -160.98                                   
REMARK 500 11 CYS B  52     -126.28   -110.87                                   
REMARK 500 11 GLN B  54      -59.99   -146.59                                   
REMARK 500 11 LEU B  56     -154.03     63.23                                   
REMARK 500 11 SER B  61       33.29   -156.41                                   
REMARK 500 12 GLN A  26      -54.74     80.23                                   
REMARK 500 12 ALA A  27     -115.68     60.25                                   
REMARK 500 12 SER A  28      -20.35    179.93                                   
REMARK 500 12 ASN A  46      -52.47     75.04                                   
REMARK 500 12 ARG A  51      -43.51    170.83                                   
REMARK 500 12 CYS A  52     -113.25   -175.69                                   
REMARK 500 12 GLN A  55       22.74   -147.01                                   
REMARK 500 12 SER A  61      -65.51   -153.21                                   
REMARK 500 12 SER B  16      161.73    -48.47                                   
REMARK 500 12 GLN B  18       10.54    -64.02                                   
REMARK 500 12 GLN B  26       81.66     88.99                                   
REMARK 500 12 ALA B  27      -74.89    -76.69                                   
REMARK 500 12 SER B  28       -9.15     65.65                                   
REMARK 500 12 CYS B  52     -135.31   -117.79                                   
REMARK 500 12 ALA B  53     -179.86    179.16                                   
REMARK 500 13 GLN A  26      -75.44   -165.66                                   
REMARK 500 13 ASN A  46      -57.51     75.94                                   
REMARK 500 13 TYR A  47      100.74     52.84                                   
REMARK 500 13 PRO A  49       97.56    -67.51                                   
REMARK 500 13 ARG A  51      -54.17   -160.37                                   
REMARK 500 13 CYS A  52      118.78   -169.41                                   
REMARK 500 13 ALA A  57      -95.42     55.68                                   
REMARK 500 13 LYS B   2      109.55     67.97                                   
REMARK 500 13 SER B  16      158.62    -49.76                                   
REMARK 500 13 GLN B  26      -39.65     79.71                                   
REMARK 500 13 ALA B  27     -161.64     56.33                                   
REMARK 500 13 ASN B  46      -48.55     72.68                                   
REMARK 500 13 TYR B  47       89.41     59.86                                   
REMARK 500 13 ASN B  50      118.60   -173.53                                   
REMARK 500 13 CYS B  52      -92.89   -168.44                                   
REMARK 500 13 ALA B  53      -78.36   -167.26                                   
REMARK 500 13 GLN B  54      -99.54   -167.25                                   
REMARK 500 13 GLN B  55       18.95   -146.42                                   
REMARK 500 13 LEU B  56      -99.30     57.38                                   
REMARK 500 14 GLN A  26      -63.13    176.87                                   
REMARK 500 14 HIS A  29       85.89   -156.56                                   
REMARK 500 14 ASN A  46      -42.20     74.38                                   
REMARK 500 14 TYR A  47       79.29     61.77                                   
REMARK 500 14 CYS A  52     -105.19    -92.08                                   
REMARK 500 14 ALA A  53       74.84   -164.99                                   
REMARK 500 14 GLN A  55      -38.05   -171.57                                   
REMARK 500 14 PRO B   3      -92.85    -79.46                                   
REMARK 500 14 SER B  16      165.09    -49.92                                   
REMARK 500 14 GLN B  26      -49.49    171.19                                   
REMARK 500 14 ALA B  32      -72.51    -59.84                                   
REMARK 500 14 ASN B  46      -53.88     73.99                                   
REMARK 500 14 TYR B  47      102.95     53.33                                   
REMARK 500 14 ASN B  50       88.50   -165.09                                   
REMARK 500 14 CYS B  52     -120.08   -132.23                                   
REMARK 500 14 LEU B  56      -91.14    -87.88                                   
REMARK 500 14 ALA B  57      -74.36   -153.19                                   
REMARK 500 15 PRO A   3     -155.66    -85.51                                   
REMARK 500 15 GLN A  26      -45.76    165.32                                   
REMARK 500 15 ASN A  46      -49.06     75.04                                   
REMARK 500 15 PRO A  49     -142.78    -98.93                                   
REMARK 500 15 CYS A  52      119.21   -165.28                                   
REMARK 500 15 GLN A  55      -59.99     69.86                                   
REMARK 500 15 SER A  61       47.85    -81.90                                   
REMARK 500 15 SER B  16      161.98    -47.35                                   
REMARK 500 15 GLN B  26      -54.05    166.66                                   
REMARK 500 15 ASN B  46      -56.50     75.47                                   
REMARK 500 15 TYR B  47       98.16     54.57                                   
REMARK 500 15 ARG B  51      -83.69   -178.89                                   
REMARK 500 15 CYS B  52      139.61    174.13                                   
REMARK 500 15 ALA B  53      -78.00    -69.06                                   
REMARK 500 16 GLN A  26      -79.45   -171.96                                   
REMARK 500 16 ASN A  46      -54.91     74.86                                   
REMARK 500 16 TYR A  47      111.75     61.09                                   
REMARK 500 16 ARG A  51      -77.76   -137.73                                   
REMARK 500 16 CYS A  52      114.41   -167.13                                   
REMARK 500 16 GLN A  54      -91.73   -133.47                                   
REMARK 500 16 ALA A  57      -49.32   -153.13                                   
REMARK 500 16 SER B  16      154.80    -49.97                                   
REMARK 500 16 GLN B  26      -53.67    170.89                                   
REMARK 500 16 ASN B  46      -46.76     72.70                                   
REMARK 500 16 TYR B  47       82.49     53.97                                   
REMARK 500 16 ASN B  50     -122.80   -163.34                                   
REMARK 500 16 ARG B  51      -57.70   -178.43                                   
REMARK 500 16 CYS B  52      -86.24   -111.61                                   
REMARK 500 16 ALA B  53       65.68   -170.09                                   
REMARK 500 17 PRO A   3     -153.69    -92.40                                   
REMARK 500 17 GLN A  26      -48.95     84.42                                   
REMARK 500 17 ALA A  27     -101.42     61.21                                   
REMARK 500 17 SER A  28      -59.73   -175.55                                   
REMARK 500 17 HIS A  29     -121.27    -87.93                                   
REMARK 500 17 VAL A  30      151.47     72.15                                   
REMARK 500 17 ASN A  46      -42.73     71.49                                   
REMARK 500 17 TYR A  47       83.26     53.88                                   
REMARK 500 17 ASN A  50      -69.62    -97.68                                   
REMARK 500 17 ALA A  53       96.78    -62.20                                   
REMARK 500 17 GLN A  54      -76.58    -94.10                                   
REMARK 500 17 PRO B   3     -159.96    -97.13                                   
REMARK 500 17 SER B  16      155.89    -49.70                                   
REMARK 500 17 GLN B  18       21.57    -79.73                                   
REMARK 500 17 GLN B  26       61.27     72.87                                   
REMARK 500 17 ASN B  46      -56.44     78.44                                   
REMARK 500 17 TYR B  47       95.71     47.00                                   
REMARK 500 17 ARG B  51      -80.61   -170.01                                   
REMARK 500 17 ALA B  53     -100.20     63.74                                   
REMARK 500 17 LEU B  56       74.44   -113.02                                   
REMARK 500 17 GLN B  60      -87.63   -140.39                                   
REMARK 500 18 GLN A  26      -23.11    131.70                                   
REMARK 500 18 ALA A  27     -175.29     67.58                                   
REMARK 500 18 SER A  28      -60.70   -162.71                                   
REMARK 500 18 ASN A  46      -40.11     72.97                                   
REMARK 500 18 TYR A  47      -64.52     70.63                                   
REMARK 500 18 ILE A  48       90.47     35.27                                   
REMARK 500 18 CYS A  52      105.67   -161.26                                   
REMARK 500 18 ALA A  53       95.07    -64.25                                   
REMARK 500 18 GLN A  55      -23.09     77.77                                   
REMARK 500 18 ALA A  57      -87.89   -148.76                                   
REMARK 500 18 LYS A  59      -69.17   -106.64                                   
REMARK 500 18 GLN B  26      -38.90    156.70                                   
REMARK 500 18 ALA B  32      -74.97    -70.63                                   
REMARK 500 18 ASN B  46      -47.25     73.63                                   
REMARK 500 18 TYR B  47       70.14     48.42                                   
REMARK 500 18 PRO B  49       40.00    -80.62                                   
REMARK 500 18 GLN B  54      -70.58   -168.54                                   
REMARK 500 18 LEU B  56       75.25     54.86                                   
REMARK 500 19 GLN A  26       98.29     88.59                                   
REMARK 500 19 HIS A  29       79.68   -102.22                                   
REMARK 500 19 ASN A  46      -45.51     73.72                                   
REMARK 500 19 ASN A  50     -108.68   -179.84                                   
REMARK 500 19 ALA A  53     -153.16     65.56                                   
REMARK 500 19 LEU A  56     -102.31     59.59                                   
REMARK 500 19 ALA A  57       37.81   -153.39                                   
REMARK 500 19 LYS A  59      179.10     68.61                                   
REMARK 500 19 GLN A  60       99.15    -68.09                                   
REMARK 500 19 SER B  16      161.52    -49.26                                   
REMARK 500 19 GLN B  26       86.22     94.13                                   
REMARK 500 19 ASN B  46      -46.46     75.21                                   
REMARK 500 19 TYR B  47       81.67     52.86                                   
REMARK 500 19 ARG B  51       35.08   -143.72                                   
REMARK 500 19 CYS B  52      -67.44     70.47                                   
REMARK 500 19 ALA B  53      149.21    178.94                                   
REMARK 500 19 GLN B  54      -91.60    -72.70                                   
REMARK 500 20 LYS A   2      160.55     70.23                                   
REMARK 500 20 GLN A  26      -58.10    177.10                                   
REMARK 500 20 ASN A  46      -58.37     75.39                                   
REMARK 500 20 TYR A  47      110.21     56.60                                   
REMARK 500 20 PRO A  49      -84.56    -63.18                                   
REMARK 500 20 ASN A  50      -71.21    177.94                                   
REMARK 500 20 GLN A  54      -77.04   -145.09                                   
REMARK 500 20 LYS A  59     -138.77     61.57                                   
REMARK 500 20 GLN A  60     -136.51     58.44                                   
REMARK 500 20 GLN B  18       10.47    -62.15                                   
REMARK 500 20 GLN B  26      -42.14    157.94                                   
REMARK 500 20 ALA B  32      -73.95    -72.07                                   
REMARK 500 20 ASN B  46      -57.71     74.02                                   
REMARK 500 20 TYR B  47      101.60     49.21                                   
REMARK 500 20 PRO B  49     -142.06    -67.80                                   
REMARK 500 20 ASN B  50       41.17    -82.40                                   
REMARK 500 20 ARG B  51       79.95   -114.20                                   
REMARK 500 20 ALA B  57      -58.82     68.62                                   
REMARK 500 20 GLN B  60       45.73    -97.15                                   
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  2 TYR B  47         0.07    SIDE_CHAIN                              
REMARK 500  5 TYR B  47         0.06    SIDE_CHAIN                              
REMARK 500  6 TYR B   7         0.07    SIDE_CHAIN                              
REMARK 500  7 TYR B  47         0.06    SIDE_CHAIN                              
REMARK 500  9 TYR B  17         0.06    SIDE_CHAIN                              
REMARK 500 11 TYR B   7         0.05    SIDE_CHAIN                              
REMARK 500 16 TYR B   7         0.07    SIDE_CHAIN                              
REMARK 500 16 TYR B  17         0.09    SIDE_CHAIN                              
REMARK 500 19 TYR B  47         0.06    SIDE_CHAIN                              
REMARK 500 20 TYR A  47         0.06    SIDE_CHAIN                              
REMARK 500 20 TYR B   7         0.05    SIDE_CHAIN                              
REMARK 500 20 TYR B  47         0.06    SIDE_CHAIN                              
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1L1M   RELATED DB: PDB                                   
REMARK 900 THE SAME PROTEIN COMPLEXED TO A NONSPECIFIC DNA OPERATOR             
DBREF  1OSL A    1    62  UNP    P03023   LACI_ECOLI       1     62             
DBREF  1OSL B    1    62  UNP    P03023   LACI_ECOLI       1     62             
DBREF  1OSL C    1    18  PDB    1OSL     1OSL             1     18             
DBREF  1OSL D    1    18  PDB    1OSL     1OSL             1     18             
SEQADV 1OSL CYS A   52  UNP  P03023    VAL    52 ENGINEERED                     
SEQADV 1OSL CYS B   52  UNP  P03023    VAL    52 ENGINEERED                     
SEQRES   1 A   62  MET LYS PRO VAL THR LEU TYR ASP VAL ALA GLU TYR ALA          
SEQRES   2 A   62  GLY VAL SER TYR GLN THR VAL SER ARG VAL VAL ASN GLN          
SEQRES   3 A   62  ALA SER HIS VAL SER ALA LYS THR ARG GLU LYS VAL GLU          
SEQRES   4 A   62  ALA ALA MET ALA GLU LEU ASN TYR ILE PRO ASN ARG CYS          
SEQRES   5 A   62  ALA GLN GLN LEU ALA GLY LYS GLN SER LEU                      
SEQRES   1 B   62  MET LYS PRO VAL THR LEU TYR ASP VAL ALA GLU TYR ALA          
SEQRES   2 B   62  GLY VAL SER TYR GLN THR VAL SER ARG VAL VAL ASN GLN          
SEQRES   3 B   62  ALA SER HIS VAL SER ALA LYS THR ARG GLU LYS VAL GLU          
SEQRES   4 B   62  ALA ALA MET ALA GLU LEU ASN TYR ILE PRO ASN ARG CYS          
SEQRES   5 B   62  ALA GLN GLN LEU ALA GLY LYS GLN SER LEU                      
SEQRES   1 C   18   DC  DG  DA  DT  DA  DA  DG  DA  DT  DA  DT  DC  DT          
SEQRES   2 C   18   DT  DA  DT  DC  DG                                          
SEQRES   1 D   18   DC  DG  DA  DT  DA  DA  DG  DA  DT  DA  DT  DC  DT          
SEQRES   2 D   18   DT  DA  DT  DC  DG                                          
HELIX    1   1 THR A    5  GLY A   14  1                                  10    
HELIX    2   2 SER A   16  GLN A   26  1                                  11    
HELIX    3   3 SER A   31  LEU A   45  1                                  15    
HELIX    4   4 THR B    5  GLY B   14  1                                  10    
HELIX    5   5 SER B   16  GLN B   26  1                                  11    
HELIX    6   6 SER B   31  LEU B   45  1                                  15    
SSBOND   1 CYS A   52    CYS B   52                          1555   1555  2.03  
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