PDB Short entry for 1O3T
HEADER    GENE REGULATION/DNA                     18-MAR-03   1O3T              
TITLE     PROTEIN-DNA RECOGNITION AND DNA DEFORMATION REVEALED IN CRYSTAL       
TITLE    2 STRUCTURES OF CAP-DNA COMPLEXES                                      
COMPND    MOL_ID: 1;                                                            
COMPND   2 MOLECULE: 5'-D(*GP*CP*GP*AP*AP*AP*AP*AP*TP*GP*CP*GP*AP*T)-3';        
COMPND   3 CHAIN: C, F;                                                         
COMPND   4 ENGINEERED: YES;                                                     
COMPND   5 MOL_ID: 2;                                                           
COMPND   6 MOLECULE: 5'-D(*CP*TP*AP*GP*AP*TP*CP*GP*CP*AP*TP*TP*TP*TP*TP*CP*G)-  
COMPND   7 3';                                                                  
COMPND   8 CHAIN: D, E;                                                         
COMPND   9 ENGINEERED: YES;                                                     
COMPND  10 MOL_ID: 3;                                                           
COMPND  11 MOLECULE: CATABOLITE GENE ACTIVATOR PROTEIN;                         
COMPND  12 CHAIN: A, B;                                                         
COMPND  13 SYNONYM: CAP, CAMP RECEPTOR PROTEIN, CAMP-REGULATORY PROTEIN;        
COMPND  14 ENGINEERED: YES                                                      
SOURCE    MOL_ID: 1;                                                            
SOURCE   2 SYNTHETIC: YES;                                                      
SOURCE   3 MOL_ID: 2;                                                           
SOURCE   4 SYNTHETIC: YES;                                                      
SOURCE   5 MOL_ID: 3;                                                           
SOURCE   6 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI;                               
SOURCE   7 ORGANISM_TAXID: 562;                                                 
SOURCE   8 EXPRESSION_SYSTEM: ESCHERICHIA COLI;                                 
SOURCE   9 EXPRESSION_SYSTEM_TAXID: 562                                         
KEYWDS    PROTEIN-DNA COMPLEX, CAP, CAP-DNA, CATABOLITE GENE ACTIVATOR PROTEIN, 
KEYWDS   2 CAMP RECEPTOR PROTEIN, CRP, GENE REGULATION-DNA COMPLEX              
EXPDTA    X-RAY DIFFRACTION                                                     
AUTHOR    S.CHEN,J.VOJTECHOVSKY,G.N.PARKINSON,R.H.EBRIGHT,H.M.BERMAN            
REVDAT   4   04-OCT-17 1O3T    1       REMARK                                   
REVDAT   3   24-FEB-09 1O3T    1       VERSN                                    
REVDAT   2   10-JUN-03 1O3T    1       JRNL                                     
REVDAT   1   08-APR-03 1O3T    0                                                
SPRSDE     08-APR-03 1O3T      1DBC                                             
JRNL        AUTH   S.CHEN,J.VOJTECHOVSKY,G.N.PARKINSON,R.H.EBRIGHT,H.M.BERMAN   
JRNL        TITL   INDIRECT READOUT OF DNA SEQUENCE AT THE PRIMARY-KINK SITE IN 
JRNL        TITL 2 THE CAP-DNA COMPLEX: DNA BINDING SPECIFICITY BASED ON        
JRNL        TITL 3 ENERGETICS OF DNA KINKING                                    
JRNL        REF    J.MOL.BIOL.                   V. 314    63 2001              
JRNL        REFN                   ISSN 0022-2836                               
JRNL        PMID   11724532                                                     
JRNL        DOI    10.1006/JMBI.2001.5089                                       
REMARK   1                                                                      
REMARK   1 REFERENCE 1                                                          
REMARK   1  AUTH   S.CHEN,A.GUNASEKERA,X.ZHANG,T.A.KUNKEL,R.H.EBRIGHT,          
REMARK   1  AUTH 2 H.M.BERMAN                                                   
REMARK   1  TITL   INDIRECT READOUT OF DNA SEQUENCE AT THE PRIMARY-KINK SITE IN 
REMARK   1  TITL 2 THE CAP-DNA COMPLEX: ALTERATION OF DNA BINDING SPECIFICITY   
REMARK   1  TITL 3 THROUGH ALTERATION OF DNA KINKING                            
REMARK   1  REF    J.MOL.BIOL.                   V. 314    75 2001              
REMARK   1  REFN                   ISSN 0022-2836                               
REMARK   1  DOI    10.1006/JMBI.2001.5090                                       
REMARK   2                                                                      
REMARK   2 RESOLUTION.    2.80 ANGSTROMS.                                       
REMARK   3                                                                      
REMARK   3 REFINEMENT.                                                          
REMARK   3   PROGRAM     : CNS 0.5                                              
REMARK   3   AUTHORS     : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE-              
REMARK   3               : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU,              
REMARK   3               : READ,RICE,SIMONSON,WARREN                            
REMARK   3                                                                      
REMARK   3  REFINEMENT TARGET : ENGH & HUBER                                    
REMARK   3                                                                      
REMARK   3  DATA USED IN REFINEMENT.                                            
REMARK   3   RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80                           
REMARK   3   RESOLUTION RANGE LOW  (ANGSTROMS) : 20.00                          
REMARK   3   DATA CUTOFF            (SIGMA(F)) : 0.000                          
REMARK   3   DATA CUTOFF HIGH         (ABS(F)) : 1827714.040                    
REMARK   3   DATA CUTOFF LOW          (ABS(F)) : 0.0000                         
REMARK   3   COMPLETENESS (WORKING+TEST)   (%) : 72.2                           
REMARK   3   NUMBER OF REFLECTIONS             : 14452                          
REMARK   3                                                                      
REMARK   3  FIT TO DATA USED IN REFINEMENT.                                     
REMARK   3   CROSS-VALIDATION METHOD          : THROUGHOUT                      
REMARK   3   FREE R VALUE TEST SET SELECTION  : RANDOM                          
REMARK   3   R VALUE            (WORKING SET) : 0.230                           
REMARK   3   FREE R VALUE                     : 0.303                           
REMARK   3   FREE R VALUE TEST SET SIZE   (%) : 5.200                           
REMARK   3   FREE R VALUE TEST SET COUNT      : 747                             
REMARK   3   ESTIMATED ERROR OF FREE R VALUE  : 0.011                           
REMARK   3                                                                      
REMARK   3  FIT IN THE HIGHEST RESOLUTION BIN.                                  
REMARK   3   TOTAL NUMBER OF BINS USED           : 6                            
REMARK   3   BIN RESOLUTION RANGE HIGH       (A) : 2.80                         
REMARK   3   BIN RESOLUTION RANGE LOW        (A) : 2.97                         
REMARK   3   BIN COMPLETENESS (WORKING+TEST) (%) : 56.10                        
REMARK   3   REFLECTIONS IN BIN    (WORKING SET) : 1752                         
REMARK   3   BIN R VALUE           (WORKING SET) : 0.2690                       
REMARK   3   BIN FREE R VALUE                    : 0.3740                       
REMARK   3   BIN FREE R VALUE TEST SET SIZE  (%) : 4.60                         
REMARK   3   BIN FREE R VALUE TEST SET COUNT     : 85                           
REMARK   3   ESTIMATED ERROR OF BIN FREE R VALUE : 0.041                        
REMARK   3                                                                      
REMARK   3  NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT.                    
REMARK   3   PROTEIN ATOMS            : 3129                                    
REMARK   3   NUCLEIC ACID ATOMS       : 1262                                    
REMARK   3   HETEROGEN ATOMS          : 44                                      
REMARK   3   SOLVENT ATOMS            : 56                                      
REMARK   3                                                                      
REMARK   3  B VALUES.                                                           
REMARK   3   FROM WILSON PLOT           (A**2) : NULL                           
REMARK   3   MEAN B VALUE      (OVERALL, A**2) : 31.00                          
REMARK   3   OVERALL ANISOTROPIC B VALUE.                                       
REMARK   3    B11 (A**2) : 18.78000                                             
REMARK   3    B22 (A**2) : -11.72000                                            
REMARK   3    B33 (A**2) : -7.06000                                             
REMARK   3    B12 (A**2) : 0.00000                                              
REMARK   3    B13 (A**2) : 0.00000                                              
REMARK   3    B23 (A**2) : 0.00000                                              
REMARK   3                                                                      
REMARK   3  ESTIMATED COORDINATE ERROR.                                         
REMARK   3   ESD FROM LUZZATI PLOT        (A) : 0.35                            
REMARK   3   ESD FROM SIGMAA              (A) : 0.36                            
REMARK   3   LOW RESOLUTION CUTOFF        (A) : 5.00                            
REMARK   3                                                                      
REMARK   3  CROSS-VALIDATED ESTIMATED COORDINATE ERROR.                         
REMARK   3   ESD FROM C-V LUZZATI PLOT    (A) : 0.49                            
REMARK   3   ESD FROM C-V SIGMAA          (A) : 0.54                            
REMARK   3                                                                      
REMARK   3  RMS DEVIATIONS FROM IDEAL VALUES.                                   
REMARK   3   BOND LENGTHS                 (A) : 0.010                           
REMARK   3   BOND ANGLES            (DEGREES) : 1.600                           
REMARK   3   DIHEDRAL ANGLES        (DEGREES) : 22.40                           
REMARK   3   IMPROPER ANGLES        (DEGREES) : 1.070                           
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL MODEL : RESTRAINED                                
REMARK   3                                                                      
REMARK   3  ISOTROPIC THERMAL FACTOR RESTRAINTS.    RMS    SIGMA                
REMARK   3   MAIN-CHAIN BOND              (A**2) : 1.330 ; 1.500                
REMARK   3   MAIN-CHAIN ANGLE             (A**2) : 2.250 ; 2.000                
REMARK   3   SIDE-CHAIN BOND              (A**2) : 2.250 ; 2.000                
REMARK   3   SIDE-CHAIN ANGLE             (A**2) : 3.280 ; 2.500                
REMARK   3                                                                      
REMARK   3  BULK SOLVENT MODELING.                                              
REMARK   3   METHOD USED : FLAT MODEL                                           
REMARK   3   KSOL        : 0.30                                                 
REMARK   3   BSOL        : 55.06                                                
REMARK   3                                                                      
REMARK   3  NCS MODEL : NULL                                                    
REMARK   3                                                                      
REMARK   3  NCS RESTRAINTS.                         RMS   SIGMA/WEIGHT          
REMARK   3   GROUP  1  POSITIONAL            (A) : NULL  ; NULL                 
REMARK   3   GROUP  1  B-FACTOR           (A**2) : NULL  ; NULL                 
REMARK   3                                                                      
REMARK   3  PARAMETER FILE  1  : PROTEIN_REP.PARAM                              
REMARK   3  PARAMETER FILE  2  : DNA-RNA_REP.PARAM                              
REMARK   3  PARAMETER FILE  3  : CMP.PARAM                                      
REMARK   3  PARAMETER FILE  4  : WATER_REP.PARAM                                
REMARK   3  PARAMETER FILE  5  : NULL                                           
REMARK   3  TOPOLOGY FILE  1   : PROTEIN.TOP                                    
REMARK   3  TOPOLOGY FILE  2   : DNA-RNA.TOP                                    
REMARK   3  TOPOLOGY FILE  3   : CMP.TOP                                        
REMARK   3  TOPOLOGY FILE  4   : WATER.TOP                                      
REMARK   3  TOPOLOGY FILE  5   : NULL                                           
REMARK   3                                                                      
REMARK   3  OTHER REFINEMENT REMARKS: NULL                                      
REMARK   4                                                                      
REMARK   4 1O3T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11                         
REMARK 100                                                                      
REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 01-APR-03.                  
REMARK 100 THE DEPOSITION ID IS D_1000001769.                                   
REMARK 200                                                                      
REMARK 200 EXPERIMENTAL DETAILS                                                 
REMARK 200  EXPERIMENT TYPE                : X-RAY DIFFRACTION                  
REMARK 200  DATE OF DATA COLLECTION        : 01-SEP-93                          
REMARK 200  TEMPERATURE           (KELVIN) : 258.0                              
REMARK 200  PH                             : 5.5                                
REMARK 200  NUMBER OF CRYSTALS USED        : 4                                  
REMARK 200                                                                      
REMARK 200  SYNCHROTRON              (Y/N) : Y                                  
REMARK 200  RADIATION SOURCE               : CHESS                              
REMARK 200  BEAMLINE                       : F1                                 
REMARK 200  X-RAY GENERATOR MODEL          : NULL                               
REMARK 200  MONOCHROMATIC OR LAUE    (M/L) : M                                  
REMARK 200  WAVELENGTH OR RANGE        (A) : 0.908                              
REMARK 200  MONOCHROMATOR                  : NULL                               
REMARK 200  OPTICS                         : NULL                               
REMARK 200                                                                      
REMARK 200  DETECTOR TYPE                  : IMAGE PLATE                        
REMARK 200  DETECTOR MANUFACTURER          : FUJI                               
REMARK 200  INTENSITY-INTEGRATION SOFTWARE : VRIED                              
REMARK 200  DATA SCALING SOFTWARE          : VRIED                              
REMARK 200                                                                      
REMARK 200  NUMBER OF UNIQUE REFLECTIONS   : 14452                              
REMARK 200  RESOLUTION RANGE HIGH      (A) : 2.800                              
REMARK 200  RESOLUTION RANGE LOW       (A) : 20.000                             
REMARK 200  REJECTION CRITERIA  (SIGMA(I)) : NULL                               
REMARK 200                                                                      
REMARK 200 OVERALL.                                                             
REMARK 200  COMPLETENESS FOR RANGE     (%) : NULL                               
REMARK 200  DATA REDUNDANCY                : NULL                               
REMARK 200  R MERGE                    (I) : NULL                               
REMARK 200  R SYM                      (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR THE DATA SET  : NULL                               
REMARK 200                                                                      
REMARK 200 IN THE HIGHEST RESOLUTION SHELL.                                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : NULL                     
REMARK 200  HIGHEST RESOLUTION SHELL, RANGE LOW  (A) : NULL                     
REMARK 200  COMPLETENESS FOR SHELL     (%) : NULL                               
REMARK 200  DATA REDUNDANCY IN SHELL       : NULL                               
REMARK 200  R MERGE FOR SHELL          (I) : NULL                               
REMARK 200  R SYM FOR SHELL            (I) : NULL                               
REMARK 200  <I/SIGMA(I)> FOR SHELL         : NULL                               
REMARK 200                                                                      
REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH                              
REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL                         
REMARK 200 SOFTWARE USED: AMORE                                                 
REMARK 200 STARTING MODEL: NULL                                                 
REMARK 200                                                                      
REMARK 200 REMARK: NULL                                                         
REMARK 280                                                                      
REMARK 280 CRYSTAL                                                              
REMARK 280 SOLVENT CONTENT, VS   (%): 60.84                                     
REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.17                     
REMARK 280                                                                      
REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, MES, NACL, MGCL2, CACL2,       
REMARK 280  CAMP, NAN3, DITHIOTHREITOL, SPERMINE, N-OCTYL-B-D-                  
REMARK 280  GLUCOPYRANOSIDE, PH 5.5, VAPOR DIFFUSION, HANGING DROP AT 293K      
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY                                            
REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 2 2 21                         
REMARK 290                                                                      
REMARK 290      SYMOP   SYMMETRY                                                
REMARK 290     NNNMMM   OPERATOR                                                
REMARK 290       1555   X,Y,Z                                                   
REMARK 290       2555   -X,-Y,Z+1/2                                             
REMARK 290       3555   -X,Y,-Z+1/2                                             
REMARK 290       4555   X,-Y,-Z                                                 
REMARK 290       5555   X+1/2,Y+1/2,Z                                           
REMARK 290       6555   -X+1/2,-Y+1/2,Z+1/2                                     
REMARK 290       7555   -X+1/2,Y+1/2,-Z+1/2                                     
REMARK 290       8555   X+1/2,-Y+1/2,-Z                                         
REMARK 290                                                                      
REMARK 290     WHERE NNN -> OPERATOR NUMBER                                     
REMARK 290           MMM -> TRANSLATION VECTOR                                  
REMARK 290                                                                      
REMARK 290 CRYSTALLOGRAPHIC SYMMETRY TRANSFORMATIONS                            
REMARK 290 THE FOLLOWING TRANSFORMATIONS OPERATE ON THE ATOM/HETATM             
REMARK 290 RECORDS IN THIS ENTRY TO PRODUCE CRYSTALLOGRAPHICALLY                
REMARK 290 RELATED MOLECULES.                                                   
REMARK 290   SMTRY1   1  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   1  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   1  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   2 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   2  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   2  0.000000  0.000000  1.000000       38.03000            
REMARK 290   SMTRY1   3 -1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   3  0.000000  1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   3  0.000000  0.000000 -1.000000       38.03000            
REMARK 290   SMTRY1   4  1.000000  0.000000  0.000000        0.00000            
REMARK 290   SMTRY2   4  0.000000 -1.000000  0.000000        0.00000            
REMARK 290   SMTRY3   4  0.000000  0.000000 -1.000000        0.00000            
REMARK 290   SMTRY1   5  1.000000  0.000000  0.000000       68.49500            
REMARK 290   SMTRY2   5  0.000000  1.000000  0.000000       76.40000            
REMARK 290   SMTRY3   5  0.000000  0.000000  1.000000        0.00000            
REMARK 290   SMTRY1   6 -1.000000  0.000000  0.000000       68.49500            
REMARK 290   SMTRY2   6  0.000000 -1.000000  0.000000       76.40000            
REMARK 290   SMTRY3   6  0.000000  0.000000  1.000000       38.03000            
REMARK 290   SMTRY1   7 -1.000000  0.000000  0.000000       68.49500            
REMARK 290   SMTRY2   7  0.000000  1.000000  0.000000       76.40000            
REMARK 290   SMTRY3   7  0.000000  0.000000 -1.000000       38.03000            
REMARK 290   SMTRY1   8  1.000000  0.000000  0.000000       68.49500            
REMARK 290   SMTRY2   8  0.000000 -1.000000  0.000000       76.40000            
REMARK 290   SMTRY3   8  0.000000  0.000000 -1.000000        0.00000            
REMARK 290                                                                      
REMARK 290 REMARK: NULL                                                         
REMARK 300                                                                      
REMARK 300 BIOMOLECULE: 1                                                       
REMARK 300 SEE REMARK 350 FOR THE AUTHOR PROVIDED AND/OR PROGRAM                
REMARK 300 GENERATED ASSEMBLY INFORMATION FOR THE STRUCTURE IN                  
REMARK 300 THIS ENTRY. THE REMARK MAY ALSO PROVIDE INFORMATION ON               
REMARK 300 BURIED SURFACE AREA.                                                 
REMARK 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: HEXAMERIC                         
REMARK 350 APPLY THE FOLLOWING TO CHAINS: C, D, E, F, 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 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     ASP A     8                                                      
REMARK 465     ASP B     8                                                      
REMARK 465     TYR B   206                                                      
REMARK 465     GLY B   207                                                      
REMARK 500                                                                      
REMARK 500 GEOMETRY AND STEREOCHEMISTRY                                         
REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT                     
REMARK 500                                                                      
REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT.                            
REMARK 500                                                                      
REMARK 500  ATM1  RES C  SSEQI   ATM2  RES C  SSEQI           DISTANCE          
REMARK 500   OP2   DA D     9     OG1  THR A   182              2.08            
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    PRO B 154   C   -  N   -  CA  ANGL. DEV. =  11.8 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    CYS A  18       73.37   -171.19                                   
REMARK 500    HIS A  19      136.55    -34.95                                   
REMARK 500    SER A  25      135.70    -34.19                                   
REMARK 500    GLU A  34      150.76    -37.22                                   
REMARK 500    GLU A  37        3.32   -160.16                                   
REMARK 500    LYS A  44      140.86   -176.96                                   
REMARK 500    VAL A  47     -166.13   -112.09                                   
REMARK 500    SER A  62      171.57    171.07                                   
REMARK 500    ASN A  65     -166.04   -109.11                                   
REMARK 500    ILE A  97      -58.63   -123.63                                   
REMARK 500    SER A  98      129.85    122.05                                   
REMARK 500    ILE A 106      -63.70    -90.08                                   
REMARK 500    ASN A 109       75.11   -161.85                                   
REMARK 500    PRO A 110       -2.58    -55.21                                   
REMARK 500    ILE A 112       -9.99    -54.86                                   
REMARK 500    MET A 114      -76.06    -83.98                                   
REMARK 500    ARG A 115      -53.05    -24.66                                   
REMARK 500    ALA A 121      -71.72    -35.19                                   
REMARK 500    THR A 140      -78.02    -58.98                                   
REMARK 500    ALA A 151      -12.88    -44.14                                   
REMARK 500    PRO A 154       73.45    -56.49                                   
REMARK 500    ASP A 155       15.73    162.01                                   
REMARK 500    GLU A 181      -88.01    -62.42                                   
REMARK 500    THR A 182      -28.90    -26.25                                   
REMARK 500    ALA A 198     -113.11   -110.92                                   
REMARK 500    HIS A 199       84.39     77.57                                   
REMARK 500    VAL A 205       77.48     59.09                                   
REMARK 500    TYR A 206      157.07     53.43                                   
REMARK 500    LEU B  11       -1.18    -56.75                                   
REMARK 500    SER B  25       80.65    -67.28                                   
REMARK 500    LYS B  26      -15.42    137.64                                   
REMARK 500    LYS B  35      107.32     30.12                                   
REMARK 500    GLU B  37       25.42   -141.73                                   
REMARK 500    ILE B  42      105.50    -34.27                                   
REMARK 500    GLU B  54      -66.47    -15.18                                   
REMARK 500    GLU B  55        0.12    -56.70                                   
REMARK 500    GLN B  66       93.69    -58.26                                   
REMARK 500    LEU B  73       -0.89    -40.23                                   
REMARK 500    GLU B  78      160.97    -49.05                                   
REMARK 500    ARG B  82      157.94    -24.56                                   
REMARK 500    THR B  90     -145.19   -107.80                                   
REMARK 500    ILE B  97      139.31   -175.45                                   
REMARK 500    VAL B 108      -72.12    -66.53                                   
REMARK 500    ALA B 121      -34.42    176.87                                   
REMARK 500    GLN B 125      -70.38    -73.68                                   
REMARK 500    VAL B 139      -51.89     -9.61                                   
REMARK 500    THR B 140      -73.31    -53.23                                   
REMARK 500    LYS B 152     -124.18    -87.44                                   
REMARK 500    GLN B 153      132.59    -10.69                                   
REMARK 500    PRO B 154      170.76    -18.60                                   
REMARK 500                                                                      
REMARK 500 THIS ENTRY HAS      58 RAMACHANDRAN OUTLIERS.                        
REMARK 500                                                                      
REMARK 500 REMARK: NULL                                                         
REMARK 800                                                                      
REMARK 800 SITE                                                                 
REMARK 800 SITE_IDENTIFIER: AC1                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMP B 761                 
REMARK 800                                                                      
REMARK 800 SITE_IDENTIFIER: AC2                                                 
REMARK 800 EVIDENCE_CODE: SOFTWARE                                              
REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMP A 762                 
REMARK 900                                                                      
REMARK 900 RELATED ENTRIES                                                      
REMARK 900 RELATED ID: 1O3Q   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1O3R   RELATED DB: PDB                                   
REMARK 900 RELATED ID: 1O3S   RELATED DB: PDB                                   
DBREF  1O3T A    8   207  UNP    P0ACJ8   CRP_ECOLI        9    208             
DBREF  1O3T B    8   207  UNP    P0ACJ8   CRP_ECOLI        9    208             
DBREF  1O3T C   -5     9  PDB    1O3T     1O3T            -5      9             
DBREF  1O3T D   13    -4  PDB    1O3T     1O3T            13     -4             
DBREF  1O3T E   10    26  PDB    1O3T     1O3T            10     26             
DBREF  1O3T F   27    14  PDB    1O3T     1O3T            27     14             
SEQRES   1 C   14   DG  DC  DG  DA  DA  DA  DA  DA  DT  DG  DC  DG  DA          
SEQRES   2 C   14   DT                                                          
SEQRES   1 D   17   DC  DT  DA  DG  DA  DT  DC  DG  DC  DA  DT  DT  DT          
SEQRES   2 D   17   DT  DT  DC  DG                                              
SEQRES   1 E   17   DC  DT  DA  DG  DA  DT  DC  DG  DC  DA  DT  DT  DT          
SEQRES   2 E   17   DT  DT  DC  DG                                              
SEQRES   1 F   14   DG  DC  DG  DA  DA  DA  DA  DA  DT  DG  DC  DG  DA          
SEQRES   2 F   14   DT                                                          
SEQRES   1 A  200  ASP PRO THR LEU GLU TRP PHE LEU SER HIS CYS HIS ILE          
SEQRES   2 A  200  HIS LYS TYR PRO SER LYS SER THR LEU ILE HIS GLN GLY          
SEQRES   3 A  200  GLU LYS ALA GLU THR LEU TYR TYR ILE VAL LYS GLY SER          
SEQRES   4 A  200  VAL ALA VAL LEU ILE LYS ASP GLU GLU GLY LYS GLU MET          
SEQRES   5 A  200  ILE LEU SER TYR LEU ASN GLN GLY ASP PHE ILE GLY GLU          
SEQRES   6 A  200  LEU GLY LEU PHE GLU GLU GLY GLN GLU ARG SER ALA TRP          
SEQRES   7 A  200  VAL ARG ALA LYS THR ALA CYS GLU VAL ALA GLU ILE SER          
SEQRES   8 A  200  TYR LYS LYS PHE ARG GLN LEU ILE GLN VAL ASN PRO ASP          
SEQRES   9 A  200  ILE LEU MET ARG LEU SER ALA GLN MET ALA ARG ARG LEU          
SEQRES  10 A  200  GLN VAL THR SER GLU LYS VAL GLY ASN LEU ALA PHE LEU          
SEQRES  11 A  200  ASP VAL THR GLY ARG ILE ALA GLN THR LEU LEU ASN LEU          
SEQRES  12 A  200  ALA LYS GLN PRO ASP ALA MET THR HIS PRO ASP GLY MET          
SEQRES  13 A  200  GLN ILE LYS ILE THR ARG GLN GLU ILE GLY GLN ILE VAL          
SEQRES  14 A  200  GLY CYS SER ARG GLU THR VAL GLY ARG ILE LEU LYS MET          
SEQRES  15 A  200  LEU GLU ASP GLN ASN LEU ILE SER ALA HIS GLY LYS THR          
SEQRES  16 A  200  ILE VAL VAL TYR GLY                                          
SEQRES   1 B  200  ASP PRO THR LEU GLU TRP PHE LEU SER HIS CYS HIS ILE          
SEQRES   2 B  200  HIS LYS TYR PRO SER LYS SER THR LEU ILE HIS GLN GLY          
SEQRES   3 B  200  GLU LYS ALA GLU THR LEU TYR TYR ILE VAL LYS GLY SER          
SEQRES   4 B  200  VAL ALA VAL LEU ILE LYS ASP GLU GLU GLY LYS GLU MET          
SEQRES   5 B  200  ILE LEU SER TYR LEU ASN GLN GLY ASP PHE ILE GLY GLU          
SEQRES   6 B  200  LEU GLY LEU PHE GLU GLU GLY GLN GLU ARG SER ALA TRP          
SEQRES   7 B  200  VAL ARG ALA LYS THR ALA CYS GLU VAL ALA GLU ILE SER          
SEQRES   8 B  200  TYR LYS LYS PHE ARG GLN LEU ILE GLN VAL ASN PRO ASP          
SEQRES   9 B  200  ILE LEU MET ARG LEU SER ALA GLN MET ALA ARG ARG LEU          
SEQRES  10 B  200  GLN VAL THR SER GLU LYS VAL GLY ASN LEU ALA PHE LEU          
SEQRES  11 B  200  ASP VAL THR GLY ARG ILE ALA GLN THR LEU LEU ASN LEU          
SEQRES  12 B  200  ALA LYS GLN PRO ASP ALA MET THR HIS PRO ASP GLY MET          
SEQRES  13 B  200  GLN ILE LYS ILE THR ARG GLN GLU ILE GLY GLN ILE VAL          
SEQRES  14 B  200  GLY CYS SER ARG GLU THR VAL GLY ARG ILE LEU LYS MET          
SEQRES  15 B  200  LEU GLU ASP GLN ASN LEU ILE SER ALA HIS GLY LYS THR          
SEQRES  16 B  200  ILE VAL VAL TYR GLY                                          
HET    CMP  A 762      22                                                       
HET    CMP  B 761      22                                                       
HETNAM     CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE                             
HETSYN     CMP CYCLIC AMP; CAMP                                                 
FORMUL   7  CMP    2(C10 H12 N5 O6 P)                                           
FORMUL   9  HOH   *56(H2 O)                                                     
HELIX    1   1 LEU A   11  HIS A   17  1                                   7    
HELIX    2   2 SER A   98  VAL A  108  1                                  11    
HELIX    3   3 ASP A  111  LEU A  137  1                                  27    
HELIX    4   4 THR A  140  LYS A  152  1                                  13    
HELIX    5   5 THR A  168  GLY A  177  1                                  10    
HELIX    6   6 SER A  179  GLN A  193  1                                  15    
HELIX    7   7 THR B   10  SER B   16  1                                   7    
HELIX    8   8 SER B   98  ASN B  109  1                                  12    
HELIX    9   9 ILE B  112  PHE B  136  1                                  25    
HELIX   10  10 ASP B  138  LYS B  152  1                                  15    
HELIX   11  11 THR B  168  GLY B  177  1                                  10    
HELIX   12  12 SER B  179  ASN B  194  1                                  16    
SHEET    1   A 4 ILE A  20  TYR A  23  0                                        
SHEET    2   A 4 CYS A  92  GLU A  96 -1  O  VAL A  94   N  HIS A  21           
SHEET    3   A 4 TYR A  40  LYS A  44 -1  N  TYR A  41   O  ALA A  95           
SHEET    4   A 4 PHE A  69  ILE A  70 -1  O  ILE A  70   N  TYR A  40           
SHEET    1   B 4 THR A  28  ILE A  30  0                                        
SHEET    2   B 4 TRP A  85  ARG A  87 -1  O  VAL A  86   N  ILE A  30           
SHEET    3   B 4 VAL A  47  LYS A  52 -1  N  LEU A  50   O  TRP A  85           
SHEET    4   B 4 GLU A  58  LEU A  64 -1  O  SER A  62   N  VAL A  49           
SHEET    1   C 3 MET A 157  THR A 158  0                                        
SHEET    2   C 3 MET A 163  ILE A 165 -1  O  GLN A 164   N  MET A 157           
SHEET    3   C 3 THR A 202  VAL A 204 -1  O  VAL A 204   N  MET A 163           
SHEET    1   D 3 PHE B  69  ILE B  70  0                                        
SHEET    2   D 3 TYR B  40  LYS B  44 -1  N  TYR B  40   O  ILE B  70           
SHEET    3   D 3 GLU B  93  VAL B  94 -1  O  GLU B  93   N  LYS B  44           
SHEET    1   E 3 GLU B  58  TYR B  63  0                                        
SHEET    2   E 3 VAL B  47  LYS B  52 -1  N  VAL B  49   O  SER B  62           
SHEET    3   E 3 TRP B  85  ALA B  88 -1  O  TRP B  85   N  LEU B  50           
SHEET    1   F 2 THR B 158  HIS B 159  0                                        
SHEET    2   F 2 GLY B 162  MET B 163 -1  O  GLY B 162   N  HIS B 159           
SITE     1 AC1 13 LEU A 124  SER A 128  ILE B  30  VAL B  49                    
SITE     2 AC1 13 SER B  62  GLY B  71  GLU B  72  LEU B  73                    
SITE     3 AC1 13 ARG B  82  SER B  83  ALA B  84  ARG B 123                    
SITE     4 AC1 13 THR B 127                                                     
SITE     1 AC2 12 VAL A  49  LEU A  61  ILE A  70  GLY A  71                    
SITE     2 AC2 12 GLU A  72  LEU A  73  ARG A  82  SER A  83                    
SITE     3 AC2 12 ALA A  84  THR A 127  LEU B 124  SER B 128                    
CRYST1  136.990  152.800   76.060  90.00  90.00  90.00 C 2 2 21     16          
ORIGX1      1.000000  0.000000  0.000000        0.00000                         
ORIGX2      0.000000  1.000000  0.000000        0.00000                         
ORIGX3      0.000000  0.000000  1.000000        0.00000                         
SCALE1      0.007300  0.000000  0.000000        0.00000                         
SCALE2      0.000000  0.006545  0.000000        0.00000                         
SCALE3      0.000000  0.000000  0.013148        0.00000