HEADER TRANSPORT PROTEIN 08-AUG-03 1Q5O TITLE HCN2J 443-645 IN THE PRESENCE OF CAMP, SELENOMETHIONINE DERIVATIVE COMPND MOL_ID: 1; COMPND 2 MOLECULE: POTASSIUM/SODIUM HYPERPOLARIZATION-ACTIVATED CYCLIC COMPND 3 NUCLEOTIDE-GATED CHANNEL 2; COMPND 4 CHAIN: A; COMPND 5 FRAGMENT: RESIDUES 443-645; COMPND 6 SYNONYM: BRAIN CYCLIC NUCLEOTIDE GATED CHANNEL 2, BCNG-2, COMPND 7 HYPERPOLARIZATION-ACTIVATED CATION CHANNEL 1, HAC-1; COMPND 8 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: MUS MUSCULUS; SOURCE 3 ORGANISM_COMMON: HOUSE MOUSE; SOURCE 4 ORGANISM_TAXID: 10090; SOURCE 5 ORGAN: BRAIN; SOURCE 6 GENE: HCN2, BCNG2 OR HAC1; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 9 EXPRESSION_SYSTEM_STRAIN: BL-21(DE3); SOURCE 10 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 11 EXPRESSION_SYSTEM_PLASMID: PETGQ KEYWDS CNBD, C-LINKER, PACEMAKER, HCN, HCN2, CHANNEL, CYCLIC NUCLEOTIDE, KEYWDS 2 CAP, PKA, CAMP, ION CHANNEL, LIGAND, TRANSPORT PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR W.N.ZAGOTTA,N.B.OLIVIER,K.D.BLACK,E.C.YOUNG,R.OLSON,J.E.GOUAUX REVDAT 6 06-NOV-24 1Q5O 1 REMARK REVDAT 5 15-NOV-23 1Q5O 1 REMARK REVDAT 4 16-AUG-23 1Q5O 1 REMARK SEQADV LINK REVDAT 3 13-JUL-11 1Q5O 1 VERSN REVDAT 2 24-FEB-09 1Q5O 1 VERSN REVDAT 1 09-SEP-03 1Q5O 0 JRNL AUTH W.N.ZAGOTTA,N.B.OLIVIER,K.D.BLACK,E.C.YOUNG,R.OLSON, JRNL AUTH 2 J.E.GOUAUX JRNL TITL STRUCTURAL BASIS FOR MODULATION AND AGONIST SPECIFICITY OF JRNL TITL 2 HCN PACEMAKER CHANNELS JRNL REF NATURE V. 425 200 2003 JRNL REFN ISSN 0028-0836 JRNL PMID 12968185 JRNL DOI 10.1038/NATURE01922 REMARK 2 REMARK 2 RESOLUTION. 2.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.0 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) : 2.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 20.00 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) (%) : NULL REMARK 3 NUMBER OF REFLECTIONS : 10487 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) : 0.216 REMARK 3 FREE R VALUE : 0.261 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 538 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : NULL REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : NULL REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.44 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : 0.2180 REMARK 3 BIN FREE R VALUE : 0.2970 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : 80 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.033 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1599 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 22 REMARK 3 SOLVENT ATOMS : 129 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 23.85 REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.44000 REMARK 3 B22 (A**2) : 0.44000 REMARK 3 B33 (A**2) : -0.87000 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.10 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) : 0.27 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.750 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. RMS SIGMA REMARK 3 MAIN-CHAIN BOND (A**2) : 1.230 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 1.900 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.396 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.343 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : NULL 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 : CMPCNS.PARAM REMARK 3 PARAMETER FILE 3 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1Q5O COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 13-AUG-03. REMARK 100 THE DEPOSITION ID IS D_1000019947. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 02-JUN-02 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 4.6 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X4A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.96429 REMARK 200 MONOCHROMATOR : SAGITALLY FOCUSED SI(111) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 4 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 13749 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.0 REMARK 200 DATA REDUNDANCY : 8.500 REMARK 200 R MERGE (I) : 0.06900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 23.6200 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.44 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.5 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 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE REMARK 200 STARTING MODEL: PDB ENTRY 1Q43 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 46.96 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.32 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 400, SODIUM CITRATE, SODIUM REMARK 280 CHLORIDE, DTT, HEPES, CAMP, PH 4.6, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 277K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 4 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z REMARK 290 3555 -Y+1/2,X+1/2,Z REMARK 290 4555 Y+1/2,-X+1/2,Z REMARK 290 5555 -X+1/2,Y+1/2,-Z REMARK 290 6555 X+1/2,-Y+1/2,-Z REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-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 0.00000 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 47.71450 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 47.71450 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 47.71450 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 47.71450 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 47.71450 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 47.71450 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 47.71450 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 47.71450 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 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 300 REMARK: THE BIOLOGICAL ASSEMBLY IS A TETRAMER. THIS STRUCTURE MAY REMARK 300 BE GENERATED BY APPLYING THE SYMMETRY OPERATIONS: Y-1/2,1/2-X,Z AND REMARK 300 -X,1-Y,Z AND 1/2-Y,1/2+X,Z 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: TETRAMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TETRAMERIC REMARK 350 SOFTWARE USED: PISA,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 11160 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 36940 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -50.0 KCAL/MOL 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 350 BIOMT1 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 95.42900 REMARK 350 BIOMT3 2 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 3 0.000000 -1.000000 0.000000 47.71450 REMARK 350 BIOMT2 3 1.000000 0.000000 0.000000 47.71450 REMARK 350 BIOMT3 3 0.000000 0.000000 1.000000 0.00000 REMARK 350 BIOMT1 4 0.000000 1.000000 0.000000 -47.71450 REMARK 350 BIOMT2 4 -1.000000 0.000000 0.000000 47.71450 REMARK 350 BIOMT3 4 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 GLY A 439 REMARK 465 SER A 440 REMARK 465 ALA A 441 REMARK 465 MET A 442 REMARK 465 LEU A 644 REMARK 465 HIS A 645 REMARK 470 REMARK 470 MISSING ATOM REMARK 470 THE FOLLOWING RESIDUES HAVE MISSING ATOMS (M=MODEL NUMBER; REMARK 470 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; REMARK 470 I=INSERTION CODE): REMARK 470 M RES CSSEQI ATOMS REMARK 470 ASP A 443 CB CG OD1 OD2 REMARK 470 ARG A 447 CG CD NE CZ NH1 NH2 REMARK 470 GLU A 451 CG CD OE1 OE2 REMARK 470 GLN A 455 CG CD OE1 NE2 REMARK 470 LYS A 510 CG CD CE NZ REMARK 470 ILE A 550 CG1 CG2 CD1 REMARK 470 LYS A 552 CG CD CE NZ REMARK 470 LYS A 553 CG CD CE NZ REMARK 470 LYS A 567 CG CD CE NZ REMARK 470 ASN A 569 CG OD1 ND2 REMARK 470 GLU A 571 CG CD OE1 OE2 REMARK 470 LYS A 638 CG CD CE NZ REMARK 470 LYS A 639 CG CD CE NZ REMARK 470 SER A 641 OG REMARK 470 ILE A 642 CG1 CG2 CD1 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 ASP A 487 75.43 -105.85 REMARK 500 LEU A 495 -149.73 -85.90 REMARK 500 ASN A 569 -177.52 67.60 REMARK 500 LYS A 570 110.27 101.12 REMARK 500 ASP A 576 123.02 -30.31 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 201 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1Q3E RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH CYCLIC GUANOSINE MONOPHOSPHATE REMARK 900 RELATED ID: 1Q43 RELATED DB: PDB REMARK 900 SAME PROTEIN COMPLEXED WITH ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE DBREF 1Q5O A 443 645 UNP O88703 HCN2_MOUSE 443 645 SEQADV 1Q5O GLY A 439 UNP O88703 CLONING ARTIFACT SEQADV 1Q5O SER A 440 UNP O88703 CLONING ARTIFACT SEQADV 1Q5O ALA A 441 UNP O88703 CLONING ARTIFACT SEQADV 1Q5O MET A 442 UNP O88703 CLONING ARTIFACT SEQADV 1Q5O MSE A 460 UNP O88703 MET 460 MODIFIED RESIDUE SEQADV 1Q5O MSE A 485 UNP O88703 MET 485 MODIFIED RESIDUE SEQADV 1Q5O MSE A 515 UNP O88703 MET 515 MODIFIED RESIDUE SEQADV 1Q5O MSE A 529 UNP O88703 MET 529 MODIFIED RESIDUE SEQADV 1Q5O MSE A 554 UNP O88703 MET 554 MODIFIED RESIDUE SEQADV 1Q5O MSE A 572 UNP O88703 MET 572 MODIFIED RESIDUE SEQADV 1Q5O MSE A 620 UNP O88703 MET 620 MODIFIED RESIDUE SEQADV 1Q5O MSE A 621 UNP O88703 MET 621 MODIFIED RESIDUE SEQRES 1 A 207 GLY SER ALA MET ASP SER SER ARG ARG GLN TYR GLN GLU SEQRES 2 A 207 LYS TYR LYS GLN VAL GLU GLN TYR MSE SER PHE HIS LYS SEQRES 3 A 207 LEU PRO ALA ASP PHE ARG GLN LYS ILE HIS ASP TYR TYR SEQRES 4 A 207 GLU HIS ARG TYR GLN GLY LYS MSE PHE ASP GLU ASP SER SEQRES 5 A 207 ILE LEU GLY GLU LEU ASN GLY PRO LEU ARG GLU GLU ILE SEQRES 6 A 207 VAL ASN PHE ASN CYS ARG LYS LEU VAL ALA SER MSE PRO SEQRES 7 A 207 LEU PHE ALA ASN ALA ASP PRO ASN PHE VAL THR ALA MSE SEQRES 8 A 207 LEU THR LYS LEU LYS PHE GLU VAL PHE GLN PRO GLY ASP SEQRES 9 A 207 TYR ILE ILE ARG GLU GLY THR ILE GLY LYS LYS MSE TYR SEQRES 10 A 207 PHE ILE GLN HIS GLY VAL VAL SER VAL LEU THR LYS GLY SEQRES 11 A 207 ASN LYS GLU MSE LYS LEU SER ASP GLY SER TYR PHE GLY SEQRES 12 A 207 GLU ILE CYS LEU LEU THR ARG GLY ARG ARG THR ALA SER SEQRES 13 A 207 VAL ARG ALA ASP THR TYR CYS ARG LEU TYR SER LEU SER SEQRES 14 A 207 VAL ASP ASN PHE ASN GLU VAL LEU GLU GLU TYR PRO MSE SEQRES 15 A 207 MSE ARG ARG ALA PHE GLU THR VAL ALA ILE ASP ARG LEU SEQRES 16 A 207 ASP ARG ILE GLY LYS LYS ASN SER ILE LEU LEU HIS MODRES 1Q5O MSE A 460 MET SELENOMETHIONINE MODRES 1Q5O MSE A 485 MET SELENOMETHIONINE MODRES 1Q5O MSE A 515 MET SELENOMETHIONINE MODRES 1Q5O MSE A 529 MET SELENOMETHIONINE MODRES 1Q5O MSE A 554 MET SELENOMETHIONINE MODRES 1Q5O MSE A 572 MET SELENOMETHIONINE MODRES 1Q5O MSE A 620 MET SELENOMETHIONINE MODRES 1Q5O MSE A 621 MET SELENOMETHIONINE HET MSE A 460 8 HET MSE A 485 8 HET MSE A 515 8 HET MSE A 529 8 HET MSE A 554 8 HET MSE A 572 8 HET MSE A 620 8 HET MSE A 621 8 HET CMP A 201 22 HETNAM MSE SELENOMETHIONINE HETNAM CMP ADENOSINE-3',5'-CYCLIC-MONOPHOSPHATE HETSYN CMP CYCLIC AMP; CAMP FORMUL 1 MSE 8(C5 H11 N O2 SE) FORMUL 2 CMP C10 H12 N5 O6 P FORMUL 3 HOH *129(H2 O) HELIX 1 1 ASP A 443 HIS A 463 1 21 HELIX 2 2 PRO A 466 GLN A 482 1 17 HELIX 3 3 ASP A 487 LEU A 495 1 9 HELIX 4 4 ASN A 496 CYS A 508 1 13 HELIX 5 5 CYS A 508 MSE A 515 1 8 HELIX 6 6 MSE A 515 ALA A 521 1 7 HELIX 7 7 ASP A 522 THR A 531 1 10 HELIX 8 8 GLU A 582 ARG A 588 1 7 HELIX 9 9 VAL A 608 TYR A 618 1 11 HELIX 10 10 TYR A 618 ILE A 636 1 19 SHEET 1 A 4 LYS A 534 PHE A 538 0 SHEET 2 A 4 CYS A 601 SER A 607 -1 O LEU A 603 N GLU A 536 SHEET 3 A 4 LYS A 553 HIS A 559 -1 N HIS A 559 O ARG A 602 SHEET 4 A 4 TYR A 579 PHE A 580 -1 O PHE A 580 N TYR A 555 SHEET 1 B 4 TYR A 543 ILE A 545 0 SHEET 2 B 4 SER A 594 ALA A 597 -1 O VAL A 595 N ILE A 545 SHEET 3 B 4 VAL A 561 LEU A 565 -1 N LEU A 565 O SER A 594 SHEET 4 B 4 GLU A 571 SER A 575 -1 O MSE A 572 N VAL A 564 LINK C TYR A 459 N MSE A 460 1555 1555 1.33 LINK C MSE A 460 N SER A 461 1555 1555 1.33 LINK C LYS A 484 N MSE A 485 1555 1555 1.33 LINK C MSE A 485 N PHE A 486 1555 1555 1.33 LINK C SER A 514 N MSE A 515 1555 1555 1.33 LINK C MSE A 515 N PRO A 516 1555 1555 1.34 LINK C ALA A 528 N MSE A 529 1555 1555 1.33 LINK C MSE A 529 N LEU A 530 1555 1555 1.33 LINK C LYS A 553 N MSE A 554 1555 1555 1.33 LINK C MSE A 554 N TYR A 555 1555 1555 1.33 LINK C GLU A 571 N MSE A 572 1555 1555 1.32 LINK C MSE A 572 N LYS A 573 1555 1555 1.32 LINK C PRO A 619 N MSE A 620 1555 1555 1.33 LINK C MSE A 620 N MSE A 621 1555 1555 1.33 LINK C MSE A 621 N ARG A 622 1555 1555 1.33 SITE 1 AC1 12 VAL A 564 MSE A 572 PHE A 580 GLY A 581 SITE 2 AC1 12 GLU A 582 ILE A 583 CYS A 584 ARG A 591 SITE 3 AC1 12 THR A 592 ALA A 593 ARG A 632 ILE A 636 CRYST1 95.429 95.429 50.060 90.00 90.00 90.00 P 4 21 2 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 0.010479 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010479 0.000000 0.00000 SCALE3 0.000000 0.000000 0.019976 0.00000