HEADER GENE REGULATION/DNA 02-NOV-99 1DB7 OBSLTE 08-APR-03 1DB7 1O3Q TITLE PROTEIN-DNA RECOGNITION AND DNA DEFORMATION REVEALED IN TITLE 2 CRYSTAL STRUCTURES OF CAP-DNA COMPLEXES COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATABOLITE GENE ACTIVATOR PROTEIN; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: CAP, CAMP RECEPTOR PROTEIN, CAMP-REGULATORY COMPND 5 PROTEIN; COMPND 6 ENGINEERED: YES; COMPND 7 MOL_ID: 2; COMPND 8 MOLECULE: 5'-D(*AP*AP*AP*AP*AP*TP*GP*TP*GP*AP*T)-3'; COMPND 9 CHAIN: B; COMPND 10 ENGINEERED: YES; COMPND 11 MOL_ID: 3; COMPND 12 MOLECULE: 5'- COMPND 13 D(*CP*TP*AP*GP*AP*TP*CP*AP*CP*AP*TP*TP*TP*TP*T)-3'; COMPND 14 CHAIN: C; COMPND 15 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_COMMON: BACTERIA; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_COMMON: BACTERIA; SOURCE 6 MOL_ID: 2; SOURCE 7 SYNTHETIC: YES; SOURCE 8 MOL_ID: 3; SOURCE 9 SYNTHETIC: YES KEYWDS PROTEIN-DNA COMPLEX, CAP, CAP-DNA, CATABOLITE GENE KEYWDS 2 ACTIVATOR PROTEIN, CAMP RECEPTOR PROTEIN, CRP EXPDTA X-RAY DIFFRACTION AUTHOR S.CHEN,J.VOJTECHOVSKY,G.N.PARKINSON,R.H.EBRIGHT,H.M.BERMAN REVDAT 2 08-APR-03 1DB7 1 OBSLTE REVDAT 1 16-NOV-01 1DB7 0 JRNL AUTH S.CHEN,J.VOJTECHOVSKY,G.N.PARKINSON,R.H.EBRIGHT, JRNL AUTH 2 H.M.BERMAN JRNL TITL INDIRECT READOUT OF DNA SEQUENCE AT THE JRNL TITL 2 PRIMARY-KINK SITE IN THE CAP-DNA COMPLEX: DNA JRNL TITL 3 BINDING SPECIFICITY BASED ON ENERGETICS OF DNA JRNL TITL 4 KINKING JRNL REF J.MOL.BIOL. V. 313 1005 2001 JRNL REFN ASTM JMOBAK UK ISSN 0022-2836 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 REMARK 1 TITL 2 PRIMARY-KINK SITE IN THE CAP-DNA COMPLEX: REMARK 1 TITL 3 ALTERATION OF DNA BINDING SPECIFICITY THROUGH REMARK 1 TITL 4 ALTERATION OF DNA KINKING REMARK 1 REF J.MOL.BIOL. V. 313 1017 2001 REMARK 1 REFN ASTM JMOBAK UK ISSN 0022-2836 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) (%) : 96.7 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) : 0.247 REMARK 3 FREE R VALUE : 0.315 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) : 0.2890 REMARK 3 BIN FREE R VALUE : 0.3550 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 : 1580 REMARK 3 NUCLEIC ACID ATOMS : 527 REMARK 3 HETEROGEN ATOMS : 42 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) : 5.85000 REMARK 3 B22 (A**2) : 5.85000 REMARK 3 B33 (A**2) : -11.71000 REMARK 3 B12 (A**2) : 24.39000 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) : 0.18 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) : 0.30 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.60 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.17 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) : 3.730 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.140 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.41 REMARK 3 BSOL : 59.79 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 1DB7 COMPLIES WITH FORMAT V. 2.3, 09-JULY-1998 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY THE NUCLEIC ACID DATABASE REMARK 100 ON 02-NOV-1999. REMARK 100 THE NDB ID CODE IS PD0081. REMARK 103 REMARK 103 THERE ARE NON-WATSON-CRICK HYDROGEN BONDS BETWEEN THE REMARK 103 FOLLOWING ATOMS: REMARK 103 N1 A B -1 AND N3 T C -2 REMARK 103 N6 A B 2 AND O4 T C 3 REMARK 105 REMARK 105 THE PROTEIN DATA BANK HAS ADOPTED THE SACCHARIDE CHEMISTS REMARK 105 NOMENCLATURE FOR ATOMS OF THE DEOXYRIBOSE/RIBOSE MOIETY REMARK 105 RATHER THAN THAT OF THE NUCLEOSIDE CHEMISTS. THE RING REMARK 105 OXYGEN ATOM IS LABELLED O4* INSTEAD OF O1*. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 01-SEP-1997 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 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 (%): 69.25 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.00 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,1/3+Z REMARK 290 3555 -X+Y,-X,2/3+Z REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,2/3-Z REMARK 290 6555 -X,-X+Y,1/3-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 -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 THIS ENTRY CONTAINS THE CRYSTALLOGRAPHIC ASYMMETRIC UNIT REMARK 300 WHICH CONSISTS OF 3 CHAIN(S). SEE REMARK 350 FOR REMARK 300 INFORMATION ON GENERATING THE BIOLOGICAL MOLECULE(S). REMARK 350 REMARK 350 GENERATING THE BIOMOLECULE 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 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 OG SER A 117 OG SER A 117 5555 2.15 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),F6.3) REMARK 500 REMARK 500 EXPECTED VALUES: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 RES CSSEQI ATM2 DEVIATION REMARK 500 MET A 59 SD MET A 59 CE -0.099 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: ENGH AND HUBER, 1991 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 HIS A 19 N - CA - C ANGL. DEV. = -9.8 DEGREES REMARK 500 ASP A 68 N - CA - C ANGL. DEV. = 10.7 DEGREES REMARK 500 GLU A 93 N - CA - C ANGL. DEV. =-12.6 DEGREES REMARK 500 PHE A 136 N - CA - C ANGL. DEV. = 12.9 DEGREES REMARK 500 VAL A 205 N - CA - C ANGL. DEV. = -9.6 DEGREES DBREF 1DB7 A 8 207 UNP P03020 CRP_ECOLI 9 208 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 11 A A A A A T G T G A T SEQRES 1 C 15 C T A G A T C A C A T T T SEQRES 2 C 15 T T HET CMP 1 21 HET CMP 2 21 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 O1) HELIX 1 1 THR A 10 SER A 16 1 7 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 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