HEADER GENE REGULATION/DNA 18-MAR-03 1O3Q 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(*AP*AP*AP*AP*AP*TP*GP*TP*GP*AP*T)-3'; COMPND 3 CHAIN: B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: 5'-D(*CP*TP*AP*GP*AP*TP*CP*AP*CP*AP*TP*TP*TP*TP*T)-3'; COMPND 7 CHAIN: C; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: CATABOLITE GENE ACTIVATOR PROTEIN; COMPND 11 CHAIN: A; COMPND 12 SYNONYM: CAP, CAMP RECEPTOR PROTEIN, CAMP-REGULATORY PROTEIN; COMPND 13 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 27-DEC-23 1O3Q 1 REMARK REVDAT 3 24-FEB-09 1O3Q 1 VERSN REVDAT 2 10-JUN-03 1O3Q 1 JRNL REVDAT 1 08-APR-03 1O3Q 0 SPRSDE 08-APR-03 1O3Q 1DB7 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. 3.00 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) : 3.00 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 2648334.310 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 96.5 REMARK 3 NUMBER OF REFLECTIONS : 9976 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) : 0.252 REMARK 3 FREE R VALUE : 0.318 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.900 REMARK 3 FREE R VALUE TEST SET COUNT : 987 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 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) : 3.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.19 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 98.70 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1512 REMARK 3 BIN R VALUE (WORKING SET) : 0.2790 REMARK 3 BIN FREE R VALUE : 0.3470 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 156 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.028 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1581 REMARK 3 NUCLEIC ACID ATOMS : 527 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 41 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 39.99 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 57.50 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 5.94000 REMARK 3 B22 (A**2) : 5.94000 REMARK 3 B33 (A**2) : -11.89000 REMARK 3 B12 (A**2) : 20.46000 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) : 0.37 REMARK 3 ESD FROM SIGMAA (A) : 0.19 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) : 0.48 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.31 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.500 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 23.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.150 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : RESTRAINED REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 2.630 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.190 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.540 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.070 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.42 REMARK 3 BSOL : 66.42 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 1O3Q 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_1000001766. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-SEP-97 REMARK 200 TEMPERATURE (KELVIN) : 108.0 REMARK 200 PH : 6.23 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.100 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALA, CCP4 (SCALA) REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9976 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.000 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.7 REMARK 200 DATA REDUNDANCY : 5.300 REMARK 200 R MERGE (I) : 0.07900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 6.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.00 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.16 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.3 REMARK 200 DATA REDUNDANCY IN SHELL : 5.30 REMARK 200 R MERGE FOR SHELL (I) : 0.42200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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 (%): 69.10 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.01 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, 1,4-DIOXANE, MES, NACL, REMARK 280 MGCL2, CAMP, PH 6.23, VAPOR DIFFUSION, HANGING DROP AT 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 47.73333 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 95.46667 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 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 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 95.46667 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 47.73333 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: B, C, A REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 95.46667 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS REMARK 500 REMARK 500 THE FOLLOWING ATOMS THAT ARE RELATED BY CRYSTALLOGRAPHIC REMARK 500 SYMMETRY ARE IN CLOSE CONTACT. AN ATOM LOCATED WITHIN 0.15 REMARK 500 ANGSTROMS OF A SYMMETRY RELATED ATOM IS ASSUMED TO BE ON A REMARK 500 SPECIAL POSITION AND IS, THEREFORE, LISTED IN REMARK 375 REMARK 500 INSTEAD OF REMARK 500. ATOMS WITH NON-BLANK ALTERNATE REMARK 500 LOCATION INDICATORS ARE NOT INCLUDED IN THE CALCULATIONS. REMARK 500 REMARK 500 DISTANCE CUTOFF: REMARK 500 2.2 ANGSTROMS FOR CONTACTS NOT INVOLVING HYDROGEN ATOMS REMARK 500 1.6 ANGSTROMS FOR CONTACTS INVOLVING HYDROGEN ATOMS REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI SSYMOP DISTANCE REMARK 500 O ALA A 135 N6 CMP A 2 5555 2.18 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 DT C 12 O4' - C1' - N1 ANGL. DEV. = 1.8 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 PRO A 9 -89.69 -54.42 REMARK 500 THR A 10 -41.36 -19.25 REMARK 500 SER A 16 -6.57 -47.57 REMARK 500 LYS A 26 -12.84 80.20 REMARK 500 GLU A 37 -4.89 -145.75 REMARK 500 LYS A 44 145.17 -174.97 REMARK 500 SER A 62 167.55 170.84 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 A 1 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMP A 2 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1O3R RELATED DB: PDB REMARK 900 RELATED ID: 1O3S RELATED DB: PDB REMARK 900 RELATED ID: 1O3T RELATED DB: PDB DBREF 1O3Q A 8 207 UNP P0ACJ8 CRP_ECOLI 9 208 DBREF 1O3Q B -2 9 PDB 1O3Q 1O3Q -2 9 DBREF 1O3Q C 13 -2 PDB 1O3Q 1O3Q 13 -2 SEQRES 1 B 11 DA DA DA DA DA DT DG DT DG DA DT SEQRES 1 C 15 DC DT DA DG DA DT DC DA DC DA DT DT DT SEQRES 2 C 15 DT 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 HET CMP A 1 22 HET CMP A 2 22 HETNAM CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE HETSYN CMP CYCLIC AMP; CAMP FORMUL 4 CMP 2(C10 H12 N5 O6 P) FORMUL 6 HOH *41(H2 O) HELIX 1 1 ASP A 8 SER A 16 1 9 HELIX 2 2 GLU A 72 PHE A 76 5 5 HELIX 3 3 TYR A 99 ASN A 109 1 11 HELIX 4 4 ASN A 109 LEU A 137 1 29 HELIX 5 5 ASP A 138 LYS A 152 1 15 HELIX 6 6 THR A 168 GLY A 177 1 10 HELIX 7 7 SER A 179 GLN A 193 1 15 SHEET 1 A 4 HIS A 19 TYR A 23 0 SHEET 2 A 4 CYS A 92 SER A 98 -1 O VAL A 94 N HIS A 21 SHEET 3 A 4 THR A 38 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 ALA A 88 -1 O VAL A 86 N ILE A 30 SHEET 3 B 4 VAL A 47 LYS A 52 -1 N ALA A 48 O ARG A 87 SHEET 4 B 4 GLU A 58 LEU A 64 -1 O SER A 62 N VAL A 49 SHEET 1 C 4 MET A 157 HIS A 159 0 SHEET 2 C 4 GLY A 162 LYS A 166 -1 O GLN A 164 N MET A 157 SHEET 3 C 4 THR A 202 TYR A 206 -1 O ILE A 203 N ILE A 165 SHEET 4 C 4 ILE A 196 HIS A 199 -1 N SER A 197 O VAL A 204 SITE 1 AC1 11 VAL A 49 ILE A 70 GLY A 71 GLU A 72 SITE 2 AC1 11 LEU A 73 ARG A 82 SER A 83 ALA A 84 SITE 3 AC1 11 LEU A 124 THR A 127 SER A 128 SITE 1 AC2 10 LYS A 57 GLU A 58 MET A 59 ALA A 135 SITE 2 AC2 10 GLN A 170 GLY A 173 GLN A 174 CYS A 178 SITE 3 AC2 10 ARG A 180 DA C 9 CRYST1 77.150 77.150 143.200 90.00 90.00 120.00 P 31 2 1 6 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 0.012962 0.007483 0.000000 0.00000 SCALE2 0.000000 0.014967 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006983 0.00000