PDB Short entry for 1I6X HEADER DNA BINDING PROTEIN 06-MAR-01 1I6X TITLE STRUCTURE OF A STAR MUTANT CRP-CAMP AT 2.2 A COMPND MOL_ID: 1; COMPND 2 MOLECULE: CATABOLITE GENE ACTIVATOR PROTEIN; COMPND 3 CHAIN: A, B; COMPND 4 SYNONYM: CAMP RECEPTOR PROTEIN, CRP, CAP; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: ESCHERICHIA COLI; SOURCE 3 ORGANISM_TAXID: 562; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 5 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS CAMP RECEPTOR PROTEIN (CRP), ALLOSTERY, DNA BINDING CYCLIC AMP, KEYWDS 2 TRANSCRIPTION REGULATION, CATABOLITE ACTIVATOR PROTEIN (CAP), DNA KEYWDS 3 BINDING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR M.A.WHITE,J.C.LEE,R.O.FOX REVDAT 4 09-AUG-23 1I6X 1 REMARK REVDAT 3 27-OCT-21 1I6X 1 REMARK SEQADV REVDAT 2 24-FEB-09 1I6X 1 VERSN REVDAT 1 17-JUN-03 1I6X 0 JRNL AUTH M.A.WHITE,D.LIU,S.-H.LIN,R.O.FOX,J.C.LEE JRNL TITL THE EFFECT OF THE D53H POINT MUTATION ON THE MACROSCOPIC JRNL TITL 2 MOTIONS OF E. COLI CYCLIC AMP RECEPTOR PROTEIN JRNL REF TO BE PUBLISHED JRNL REFN REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH I.T.WEBER,T.A.STEITZ REMARK 1 TITL STRUCTURE OF A COMPLEX OF CATABOLITE GENE ACTIVATOR PROTEIN REMARK 1 TITL 2 AND CYCLIC AMP AT 2.5 A RESOLUTION REMARK 1 REF J.MOL.BIOL. V. 198 311 1987 REMARK 1 REFN ISSN 0022-2836 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 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) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 42.67 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 1693252.270 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.6 REMARK 3 NUMBER OF REFLECTIONS : 22833 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : SHELLS REMARK 3 R VALUE (WORKING SET) : 0.230 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.800 REMARK 3 FREE R VALUE TEST SET COUNT : 2243 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.006 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.24 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 76.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 815 REMARK 3 BIN R VALUE (WORKING SET) : 0.3000 REMARK 3 BIN FREE R VALUE : 0.3710 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.40 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 85 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.040 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 3176 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 74 REMARK 3 SOLVENT ATOMS : 83 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 37.30 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 52.30 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -0.55000 REMARK 3 B22 (A**2) : 0.56000 REMARK 3 B33 (A**2) : -0.01000 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) : 0.28 REMARK 3 ESD FROM SIGMAA (A) : 0.22 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) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.31 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.80 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.700 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) : 1.570 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.640 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.240 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.310 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.39 REMARK 3 BSOL : 55.90 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 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : LIGAND.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : LIGAND.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 THE DATA WERE MERGED FROM THREE INDEPENDENT DATA SETS REMARK 3 COLLECTED ON THREE DIFFERENT DETECTOR TYPES, WITH REMARK 3 INCOMPATIBLE PROCESSING SOFTWARE. THE PROCESSED DATA REMARK 3 SETS WERE COMBINED IN SCALEPACK AND THEREFORE SOME REMARK 3 OVERALL STATISTICS ARE NOT AVAILABLE. THE THREE SETS REMARK 3 WERE COLLECTED ON (1) A BRUKER SMART 2K CCD REMARK 3 (2) A MACSCIENCE DIP2030 AND (3) X4A (A RIGAKU REMARK 3 R-AXIS IV) REMARK 3 THE DATA REDUNDANCY FOR EACH SET IS: 8.2, 1.5, 2.7. REMARK 3 THE HIGHEST RESOLUTION SHELLS OF EACH SET IS: REMARK 3 2.6, 2.4, 2.2. REMARK 3 THE RMERGE IN THE HIGHEST RESOLUTION SHELL IS: REMARK 3 30.9, 31.7, 31.1%. REMARK 3 THE OVERALL RMERGE FOR EACH SET IS: 10.5, 7.4, 3.7%. REMARK 3 THE NUMBER OF UNIQUE REFLECTIONS IS: 14899, 9570, 20183. REMARK 3 THE OVERALL PERCENT COMPLETENESS IS: 99.9, 45.2, 81.7%. REMARK 4 REMARK 4 1I6X COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 08-MAR-01. REMARK 100 THE DEPOSITION ID IS D_1000012980. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 21-AUG-98; 21-MAY-98; 01-JUN-98 REMARK 200 TEMPERATURE (KELVIN) : 95; 95; 95 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 3 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N; N; Y REMARK 200 RADIATION SOURCE : ROTATING ANODE; ROTATING ANODE; REMARK 200 NSLS REMARK 200 BEAMLINE : NULL; NULL; X4A REMARK 200 X-RAY GENERATOR MODEL : MACSCIENCE; MACSCIENCE; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M; M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418; 1.5418; 0.97950 REMARK 200 MONOCHROMATOR : NULL; NULL; NULL REMARK 200 OPTICS : MULTILAYER; MULTILAYER; NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE; CCD; IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE; BRUKER SMART 2000; REMARK 200 RIGAKU RAXIS IV REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 23757 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 70.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.1 REMARK 200 DATA REDUNDANCY : 8.000 REMARK 200 R MERGE (I) : 0.07500 REMARK 200 R SYM (I) : 0.07500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 11.7000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.24 REMARK 200 COMPLETENESS FOR SHELL (%) : 83.4 REMARK 200 DATA REDUNDANCY IN SHELL : 2.60 REMARK 200 R MERGE FOR SHELL (I) : 0.31100 REMARK 200 R SYM FOR SHELL (I) : 0.31100 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH; SINGLE WAVELENGTH; SINGLE REMARK 200 WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: 1I5Z CRP DIMER REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.01 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.41 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 100MM KCL, 1MM EDTA, 50MM TRIS, 35% REMARK 280 GLYCEROL, 20:1 CAMP:CRP, PH 7.8, LIQUID DIFFUSION, TEMPERATURE REMARK 280 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 21 21 21 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X+1/2,-Y,Z+1/2 REMARK 290 3555 -X,Y+1/2,-Z+1/2 REMARK 290 4555 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 23.13100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 52.66950 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 46.67150 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 52.66950 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 23.13100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 46.67150 REMARK 290 SMTRY3 4 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 300 REMARK: THE DIMER IS THE BIOLOGICAL UNIT REMARK 350 REMARK 350 COORDINATES FOR A COMPLETE MULTIMER REPRESENTING THE KNOWN REMARK 350 BIOLOGICALLY SIGNIFICANT OLIGOMERIZATION STATE OF THE REMARK 350 MOLECULE CAN BE GENERATED BY APPLYING BIOMT TRANSFORMATIONS REMARK 350 GIVEN BELOW. BOTH NON-CRYSTALLOGRAPHIC AND REMARK 350 CRYSTALLOGRAPHIC OPERATIONS ARE GIVEN. REMARK 350 REMARK 350 BIOMOLECULE: 1 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 5560 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 19540 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -30.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B REMARK 350 BIOMT1 1 1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 1 0.000000 1.000000 0.000000 0.00000 REMARK 350 BIOMT3 1 0.000000 0.000000 1.000000 0.00000 REMARK 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 VAL A 1 REMARK 465 LEU A 2 REMARK 465 GLY A 3 REMARK 465 LYS A 4 REMARK 465 PRO A 5 REMARK 465 GLY A 207 REMARK 465 THR A 208 REMARK 465 ARG A 209 REMARK 465 VAL B 1 REMARK 465 LEU B 2 REMARK 465 GLY B 3 REMARK 465 LYS B 4 REMARK 465 PRO B 5 REMARK 465 GLN B 6 REMARK 465 THR B 7 REMARK 465 THR B 208 REMARK 465 ARG B 209 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 LYS A 26 -1.67 79.96 REMARK 500 GLU A 54 138.35 -35.51 REMARK 500 GLU A 55 120.73 61.65 REMARK 500 LYS A 57 -163.91 67.45 REMARK 500 GLU A 58 137.59 -25.88 REMARK 500 PRO A 160 27.84 -68.36 REMARK 500 ASP A 161 37.25 -179.66 REMARK 500 GLN A 193 5.00 -61.47 REMARK 500 GLU B 54 32.48 36.22 REMARK 500 ASN B 109 102.80 -160.22 REMARK 500 PHE B 136 36.51 -94.72 REMARK 500 LYS B 201 22.73 -148.28 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 TRS A 351 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMP A 301 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMP A 302 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMP B 401 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1I5Z RELATED DB: PDB REMARK 900 WT STRUCTURE AT 1.9A REMARK 900 RELATED ID: 3GAP RELATED DB: PDB REMARK 900 RELATED ID: 1G6N RELATED DB: PDB DBREF 1I6X A 1 209 UNP P0ACJ8 CRP_ECOLI 2 210 DBREF 1I6X B 1 209 UNP P0ACJ8 CRP_ECOLI 2 210 SEQADV 1I6X HIS A 53 UNP P0ACJ8 ASP 54 ENGINEERED MUTATION SEQADV 1I6X HIS B 53 UNP P0ACJ8 ASP 54 ENGINEERED MUTATION SEQRES 1 A 209 VAL LEU GLY LYS PRO GLN THR ASP PRO THR LEU GLU TRP SEQRES 2 A 209 PHE LEU SER HIS CYS HIS ILE HIS LYS TYR PRO SER LYS SEQRES 3 A 209 SER THR LEU ILE HIS GLN GLY GLU LYS ALA GLU THR LEU SEQRES 4 A 209 TYR TYR ILE VAL LYS GLY SER VAL ALA VAL LEU ILE LYS SEQRES 5 A 209 HIS GLU GLU GLY LYS GLU MET ILE LEU SER TYR LEU ASN SEQRES 6 A 209 GLN GLY ASP PHE ILE GLY GLU LEU GLY LEU PHE GLU GLU SEQRES 7 A 209 GLY GLN GLU ARG SER ALA TRP VAL ARG ALA LYS THR ALA SEQRES 8 A 209 CYS GLU VAL ALA GLU ILE SER TYR LYS LYS PHE ARG GLN SEQRES 9 A 209 LEU ILE GLN VAL ASN PRO ASP ILE LEU MET ARG LEU SER SEQRES 10 A 209 ALA GLN MET ALA ARG ARG LEU GLN VAL THR SER GLU LYS SEQRES 11 A 209 VAL GLY ASN LEU ALA PHE LEU ASP VAL THR GLY ARG ILE SEQRES 12 A 209 ALA GLN THR LEU LEU ASN LEU ALA LYS GLN PRO ASP ALA SEQRES 13 A 209 MET THR HIS PRO ASP GLY MET GLN ILE LYS ILE THR ARG SEQRES 14 A 209 GLN GLU ILE GLY GLN ILE VAL GLY CYS SER ARG GLU THR SEQRES 15 A 209 VAL GLY ARG ILE LEU LYS MET LEU GLU ASP GLN ASN LEU SEQRES 16 A 209 ILE SER ALA HIS GLY LYS THR ILE VAL VAL TYR GLY THR SEQRES 17 A 209 ARG SEQRES 1 B 209 VAL LEU GLY LYS PRO GLN THR ASP PRO THR LEU GLU TRP SEQRES 2 B 209 PHE LEU SER HIS CYS HIS ILE HIS LYS TYR PRO SER LYS SEQRES 3 B 209 SER THR LEU ILE HIS GLN GLY GLU LYS ALA GLU THR LEU SEQRES 4 B 209 TYR TYR ILE VAL LYS GLY SER VAL ALA VAL LEU ILE LYS SEQRES 5 B 209 HIS GLU GLU GLY LYS GLU MET ILE LEU SER TYR LEU ASN SEQRES 6 B 209 GLN GLY ASP PHE ILE GLY GLU LEU GLY LEU PHE GLU GLU SEQRES 7 B 209 GLY GLN GLU ARG SER ALA TRP VAL ARG ALA LYS THR ALA SEQRES 8 B 209 CYS GLU VAL ALA GLU ILE SER TYR LYS LYS PHE ARG GLN SEQRES 9 B 209 LEU ILE GLN VAL ASN PRO ASP ILE LEU MET ARG LEU SER SEQRES 10 B 209 ALA GLN MET ALA ARG ARG LEU GLN VAL THR SER GLU LYS SEQRES 11 B 209 VAL GLY ASN LEU ALA PHE LEU ASP VAL THR GLY ARG ILE SEQRES 12 B 209 ALA GLN THR LEU LEU ASN LEU ALA LYS GLN PRO ASP ALA SEQRES 13 B 209 MET THR HIS PRO ASP GLY MET GLN ILE LYS ILE THR ARG SEQRES 14 B 209 GLN GLU ILE GLY GLN ILE VAL GLY CYS SER ARG GLU THR SEQRES 15 B 209 VAL GLY ARG ILE LEU LYS MET LEU GLU ASP GLN ASN LEU SEQRES 16 B 209 ILE SER ALA HIS GLY LYS THR ILE VAL VAL TYR GLY THR SEQRES 17 B 209 ARG HET TRS A 351 8 HET CMP A 301 22 HET CMP A 302 22 HET CMP B 401 22 HETNAM TRS 2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL HETNAM CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE HETSYN TRS TRIS BUFFER HETSYN CMP CYCLIC AMP; CAMP FORMUL 3 TRS C4 H12 N O3 1+ FORMUL 4 CMP 3(C10 H12 N5 O6 P) FORMUL 7 HOH *83(H2 O) HELIX 1 1 ASP A 8 SER A 16 1 9 HELIX 2 2 TYR A 99 ASN A 109 1 11 HELIX 3 3 PRO A 110 LEU A 137 1 28 HELIX 4 4 ASP A 138 LEU A 150 1 13 HELIX 5 5 ALA A 151 GLN A 153 5 3 HELIX 6 6 THR A 168 GLY A 177 1 10 HELIX 7 7 SER A 179 GLN A 193 1 15 HELIX 8 8 ASP B 8 HIS B 17 1 10 HELIX 9 9 TYR B 99 ASN B 109 1 11 HELIX 10 10 PRO B 110 PHE B 136 1 27 HELIX 11 11 ASP B 138 LYS B 152 1 15 HELIX 12 12 THR B 168 GLY B 177 1 10 HELIX 13 13 SER B 179 GLN B 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 N CYS A 92 O TYR A 23 SHEET 3 A 4 THR A 38 LYS A 44 -1 N LEU A 39 O ILE A 97 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 LEU A 29 SHEET 3 B 4 SER A 46 ILE A 51 -1 N ALA A 48 O ARG A 87 SHEET 4 B 4 MET A 59 ASN A 65 -1 O MET A 59 N ILE A 51 SHEET 1 C 4 MET A 157 HIS A 159 0 SHEET 2 C 4 GLY A 162 LYS A 166 -1 N GLY A 162 O HIS A 159 SHEET 3 C 4 THR A 202 VAL A 205 -1 O ILE A 203 N ILE A 165 SHEET 4 C 4 ILE A 196 HIS A 199 -1 O SER A 197 N VAL A 204 SHEET 1 D 4 HIS B 19 TYR B 23 0 SHEET 2 D 4 CYS B 92 SER B 98 -1 N CYS B 92 O TYR B 23 SHEET 3 D 4 THR B 38 LYS B 44 -1 N LEU B 39 O ILE B 97 SHEET 4 D 4 PHE B 69 ILE B 70 -1 O ILE B 70 N TYR B 40 SHEET 1 E 4 THR B 28 ILE B 30 0 SHEET 2 E 4 TRP B 85 ALA B 88 -1 O VAL B 86 N LEU B 29 SHEET 3 E 4 SER B 46 LYS B 52 -1 N ALA B 48 O ARG B 87 SHEET 4 E 4 GLU B 58 ASN B 65 -1 O MET B 59 N ILE B 51 SHEET 1 F 4 MET B 157 HIS B 159 0 SHEET 2 F 4 GLY B 162 LYS B 166 -1 N GLY B 162 O HIS B 159 SHEET 3 F 4 THR B 202 TYR B 206 -1 N ILE B 203 O ILE B 165 SHEET 4 F 4 ILE B 196 HIS B 199 -1 O SER B 197 N VAL B 204 SITE 1 AC1 9 LYS A 130 ASN A 133 LEU A 134 ARG A 142 SITE 2 AC1 9 GLN A 145 THR A 146 ILE A 175 VAL A 176 SITE 3 AC1 9 HOH A 511 SITE 1 AC2 15 VAL A 49 LEU A 61 ILE A 70 GLY A 71 SITE 2 AC2 15 GLU A 72 LEU A 73 ARG A 82 SER A 83 SITE 3 AC2 15 VAL A 86 ARG A 123 THR A 127 HOH A 501 SITE 4 AC2 15 HOH A 502 SER B 128 HOH B 517 SITE 1 AC3 11 GLY A 56 GLU A 58 GLN A 170 GLY A 173 SITE 2 AC3 11 GLN A 174 GLY A 177 CYS A 178 SER A 179 SITE 3 AC3 11 ARG A 180 ALA B 135 PHE B 136 SITE 1 AC4 14 LEU A 124 SER A 128 VAL B 49 ILE B 70 SITE 2 AC4 14 GLY B 71 GLU B 72 LEU B 73 ARG B 82 SITE 3 AC4 14 SER B 83 ALA B 84 ARG B 123 THR B 127 SITE 4 AC4 14 HOH B 506 HOH B 508 CRYST1 46.262 93.343 105.339 90.00 90.00 90.00 P 21 21 21 8 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 0.021616 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010713 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009493 0.00000