HEADER SIGNALING PROTEIN 28-AUG-99 1CX4 TITLE CRYSTAL STRUCTURE OF A DELETION MUTANT OF THE TYPE II BETA REGULATORY TITLE 2 SUBUNIT OF CAMP-DEPENDENT PROTEIN KINASE COMPND MOL_ID: 1; COMPND 2 MOLECULE: CAMP-DEPENDENT PROTEIN KINASE REGULATORY SUBUNIT TYPE II COMPND 3 BETA; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: CAMP BINDING DOMAINS; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 8 EXPRESSION_SYSTEM_PLASMID: INVITROGEN PRSET B KEYWDS BETA BARREL, CAMP-DEPENDENT PROTEIN KINASE, CAMP-BINDING, REGULATORY KEYWDS 2 SUBUNIT, SIGNALING PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR T.C.DILLER,N.H.XUONG,S.S.TAYLOR REVDAT 4 07-FEB-24 1CX4 1 REMARK SHEET REVDAT 3 24-FEB-09 1CX4 1 VERSN REVDAT 2 28-OCT-03 1CX4 1 SOURCE AUTHOR JRNL REMARK REVDAT 2 2 1 MASTER REVDAT 1 07-MAR-01 1CX4 0 JRNL AUTH T.C.DILLER,MADHUSUDAN,N.H.XUONG,S.S.TAYLOR JRNL TITL MOLECULAR BASIS FOR REGULATORY SUBUNIT DIVERSITY IN JRNL TITL 2 CAMP-DEPENDENT PROTEIN KINASE: CRYSTAL STRUCTURE OF THE TYPE JRNL TITL 3 II BETA REGULATORY SUBUNIT. JRNL REF STRUCTURE V. 9 73 2001 JRNL REFN ISSN 0969-2126 JRNL PMID 11342137 JRNL DOI 10.1016/S0969-2126(00)00556-6 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.C.DILLER,N.H.XUONG,S.S.TAYLOR REMARK 1 TITL TYPE II BETA REGULATORY SUBUNIT OF CAMP-DEPENDENT PROTEIN REMARK 1 TITL 2 KINASE: PURIFICATION STRATEGIES TO OPTIMIZE CRYSTALLIZATION. REMARK 1 REF PROTEIN EXPR.PURIF. V. 20 357 2000 REMARK 1 REFN ISSN 1046-5928 REMARK 1 PMID 11087674 REMARK 1 DOI 10.1006/PREP.2000.1312 REMARK 2 REMARK 2 RESOLUTION. 2.45 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) : 2.45 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 23.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 98.8 REMARK 3 NUMBER OF REFLECTIONS : 21958 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) : 0.176 REMARK 3 FREE R VALUE : 0.198 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.955 REMARK 3 FREE R VALUE TEST SET COUNT : 2186 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 8 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.45 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.56 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.95 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 2403 REMARK 3 BIN R VALUE (WORKING SET) : 0.2461 REMARK 3 BIN FREE R VALUE : 0.2705 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 10.17 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 272 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.020 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2163 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 44 REMARK 3 SOLVENT ATOMS : 192 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 36.40 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 43.60 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 2.73000 REMARK 3 B22 (A**2) : 2.73000 REMARK 3 B33 (A**2) : -5.45000 REMARK 3 B12 (A**2) : 7.64000 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) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.27 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) : 0.28 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.31 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.50 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.760 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) : 1.840 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.060 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 3.170 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 4.770 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.33 REMARK 3 BSOL : 49.37 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 : CMP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : CMP.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: REMARK 3 INSUFFICIENT ELECTRON DENSITY EXISTED IN MAPS TO INCLUDE RESIDUE REMARK 3 RANGES 112- REMARK 3 128, 326-333 AND 413-416. REMARK 4 REMARK 4 1CX4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 30-AUG-99. REMARK 100 THE DEPOSITION ID IS D_1000009600. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 06-JAN-99 REMARK 200 TEMPERATURE (KELVIN) : 300.3 REMARK 200 PH : 7.75 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRL REMARK 200 BEAMLINE : BL7-1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.08 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 21965 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.450 REMARK 200 RESOLUTION RANGE LOW (A) : 25.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.7 REMARK 200 DATA REDUNDANCY : 4.182 REMARK 200 R MERGE (I) : 0.05200 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 14.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.45 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.56 REMARK 200 COMPLETENESS FOR SHELL (%) : 97.9 REMARK 200 DATA REDUNDANCY IN SHELL : 4.00 REMARK 200 R MERGE FOR SHELL (I) : 0.32500 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 3.940 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: REMARK 200 PROTEIN RESIDUES PRECEDING ARG 130 AND POSTERIOR TO VAL 413 IN THE REMARK 200 AMINO ACID REMARK 200 SEQUENCE ARE NOT INCLUDED IN THIS MODEL. ADDITIONALLY, LOOP REGION REMARK 200 CONSISTING REMARK 200 OF RESIDUES 326 LYS THROUGH 333 GLU WERE NOT TRACED IN ELECTRON REMARK 200 DENSITY MAPS: REMARK 200 NO PEPTIDE BOND EXISTS BETWEEN ARG 325 AND ASN 334 IN THIS REMARK 200 STRUCTURAL MODEL. REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 70.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 4.38 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 7.75 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 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 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 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 13.22000 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 26.44000 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 19.83000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 33.05000 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 6.61000 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: MONOMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: 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 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 SER A 112 REMARK 465 VAL A 113 REMARK 465 CYS A 114 REMARK 465 ALA A 115 REMARK 465 GLU A 116 REMARK 465 ALA A 117 REMARK 465 TYR A 118 REMARK 465 ASN A 119 REMARK 465 PRO A 120 REMARK 465 ASP A 121 REMARK 465 GLU A 122 REMARK 465 GLU A 123 REMARK 465 GLU A 124 REMARK 465 ASP A 125 REMARK 465 ASP A 126 REMARK 465 ALA A 127 REMARK 465 GLU A 128 REMARK 465 SER A 129 REMARK 465 LYS A 326 REMARK 465 GLY A 327 REMARK 465 LYS A 328 REMARK 465 SER A 329 REMARK 465 ASP A 330 REMARK 465 ILE A 331 REMARK 465 GLU A 332 REMARK 465 GLU A 333 REMARK 465 GLU A 413 REMARK 465 PRO A 414 REMARK 465 THR A 415 REMARK 465 ALA A 416 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 ASN A 155 47.84 -93.02 REMARK 500 ASP A 187 -51.93 -134.40 REMARK 500 ASP A 204 64.28 63.13 REMARK 500 MET A 409 10.30 58.17 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 ARG A 142 0.14 SIDE CHAIN REMARK 500 ARG A 194 0.12 SIDE CHAIN REMARK 500 ARG A 216 0.08 SIDE CHAIN 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 440 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE CMP A 450 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1RGS RELATED DB: PDB REMARK 900 1RGS IS A MODEL OF THE TYPE I ALPHA REGULATORY SUBUNIT OF CAMP- REMARK 900 DEPENDENT PROTEIN KINASE REMARK 900 RELATED ID: 2CGP RELATED DB: PDB REMARK 900 2CGP CONTAINS A CAMP-BINDING DOMAIN DBREF 1CX4 A 112 416 UNP P12369 KAP3_RAT 112 416 SEQRES 1 A 305 SER VAL CYS ALA GLU ALA TYR ASN PRO ASP GLU GLU GLU SEQRES 2 A 305 ASP ASP ALA GLU SER ARG ILE ILE HIS PRO LYS THR ASP SEQRES 3 A 305 ASP GLN ARG ASN ARG LEU GLN GLU ALA CYS LYS ASP ILE SEQRES 4 A 305 LEU LEU PHE LYS ASN LEU ASP PRO GLU GLN MET SER GLN SEQRES 5 A 305 VAL LEU ASP ALA MET PHE GLU LYS LEU VAL LYS GLU GLY SEQRES 6 A 305 GLU HIS VAL ILE ASP GLN GLY ASP ASP GLY ASP ASN PHE SEQRES 7 A 305 TYR VAL ILE ASP ARG GLY THR PHE ASP ILE TYR VAL LYS SEQRES 8 A 305 CYS ASP GLY VAL GLY ARG CYS VAL GLY ASN TYR ASP ASN SEQRES 9 A 305 ARG GLY SER PHE GLY GLU LEU ALA LEU MET TYR ASN THR SEQRES 10 A 305 PRO ARG ALA ALA THR ILE THR ALA THR SER PRO GLY ALA SEQRES 11 A 305 LEU TRP GLY LEU ASP ARG VAL THR PHE ARG ARG ILE ILE SEQRES 12 A 305 VAL LYS ASN ASN ALA LYS LYS ARG LYS MET TYR GLU SER SEQRES 13 A 305 PHE ILE GLU SER LEU PRO PHE LEU LYS SER LEU GLU VAL SEQRES 14 A 305 SER GLU ARG LEU LYS VAL VAL ASP VAL ILE GLY THR LYS SEQRES 15 A 305 VAL TYR ASN ASP GLY GLU GLN ILE ILE ALA GLN GLY ASP SEQRES 16 A 305 SER ALA ASP SER PHE PHE ILE VAL GLU SER GLY GLU VAL SEQRES 17 A 305 ARG ILE THR MET LYS ARG LYS GLY LYS SER ASP ILE GLU SEQRES 18 A 305 GLU ASN GLY ALA VAL GLU ILE ALA ARG CYS LEU ARG GLY SEQRES 19 A 305 GLN TYR PHE GLY GLU LEU ALA LEU VAL THR ASN LYS PRO SEQRES 20 A 305 ARG ALA ALA SER ALA HIS ALA ILE GLY THR VAL LYS CYS SEQRES 21 A 305 LEU ALA MET ASP VAL GLN ALA PHE GLU ARG LEU LEU GLY SEQRES 22 A 305 PRO CYS MET GLU ILE MET LYS ARG ASN ILE ALA THR TYR SEQRES 23 A 305 GLU GLU GLN LEU VAL ALA LEU PHE GLY THR ASN MET ASP SEQRES 24 A 305 ILE VAL GLU PRO THR ALA HET CMP A 440 22 HET CMP A 450 22 HETNAM CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE HETSYN CMP CYCLIC AMP; CAMP FORMUL 2 CMP 2(C10 H12 N5 O6 P) FORMUL 4 HOH *192(H2 O) HELIX 1 1 ASP A 137 CYS A 147 1 11 HELIX 2 2 LEU A 151 LYS A 154 5 4 HELIX 3 3 PRO A 158 ALA A 167 1 10 HELIX 4 4 GLU A 221 TYR A 226 1 6 HELIX 5 5 ARG A 247 ILE A 253 1 7 HELIX 6 6 VAL A 255 TYR A 265 1 11 HELIX 7 7 SER A 267 SER A 271 1 5 HELIX 8 8 PRO A 273 LYS A 276 5 4 HELIX 9 9 VAL A 280 VAL A 289 1 10 HELIX 10 10 GLU A 350 THR A 355 1 6 HELIX 11 11 VAL A 376 LEU A 382 1 7 HELIX 12 12 MET A 387 PHE A 405 1 19 SHEET 1 A 4 PHE A 169 VAL A 173 0 SHEET 2 A 4 GLY A 240 ASP A 246 -1 N GLY A 240 O VAL A 173 SHEET 3 A 4 ASN A 188 ARG A 194 -1 N PHE A 189 O LEU A 245 SHEET 4 A 4 SER A 218 PHE A 219 -1 N PHE A 219 O TYR A 190 SHEET 1 B 4 HIS A 178 ILE A 180 0 SHEET 2 B 4 THR A 233 ALA A 236 -1 N ILE A 234 O ILE A 180 SHEET 3 B 4 THR A 196 CYS A 203 -1 N ASP A 198 O THR A 235 SHEET 4 B 4 VAL A 206 ASP A 214 -1 N VAL A 206 O CYS A 203 SHEET 1 C 2 GLY A 291 TYR A 295 0 SHEET 2 C 2 TYR A 347 PHE A 348 -1 N PHE A 348 O PHE A 312 SHEET 1 D 3 GLN A 300 ILE A 302 0 SHEET 2 D 3 SER A 362 ILE A 366 -1 N ALA A 363 O ILE A 302 SHEET 3 D 3 ALA A 336 CYS A 342 -1 N VAL A 337 O MET A 323 SITE 1 AC1 14 TYR A 213 PHE A 219 GLY A 220 GLU A 221 SITE 2 AC1 14 LEU A 222 ALA A 223 ARG A 230 ALA A 231 SITE 3 AC1 14 ALA A 232 ILE A 234 ARG A 381 HOH A 509 SITE 4 AC1 14 HOH A 522 HOH A 628 SITE 1 AC2 14 ILE A 321 ILE A 339 PHE A 348 GLY A 349 SITE 2 AC2 14 GLU A 350 LEU A 351 ALA A 352 ARG A 359 SITE 3 AC2 14 ALA A 360 ALA A 361 TYR A 397 GLN A 400 SITE 4 AC2 14 HOH A 510 HOH A 512 CRYST1 161.620 161.620 39.660 90.00 90.00 120.00 P 61 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 0.006187 0.003572 0.000000 0.00000 SCALE2 0.000000 0.007145 0.000000 0.00000 SCALE3 0.000000 0.000000 0.025214 0.00000