HEADER VIRAL PROTEIN 04-AUG-23 8KBG TITLE STRUCTURE OF CBTAD1 COMPLEXED WITH 2',3'-CGAMP COMPND MOL_ID: 1; COMPND 2 MOLECULE: THOERIS ANTI-DEFENSE 1; COMPND 3 CHAIN: D, E, F, G, H, I; COMPND 4 SYNONYM: CBTAD1; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM BOTULINUM; SOURCE 3 ORGANISM_TAXID: 1491; SOURCE 4 GENE: TAD1; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS VIRAL PROTEIN EXPDTA X-RAY DIFFRACTION AUTHOR Y.XIAO,Y.FENG REVDAT 4 04-DEC-24 8KBG 1 JRNL REMARK REVDAT 3 13-NOV-24 8KBG 1 JRNL REVDAT 2 06-NOV-24 8KBG 1 JRNL REVDAT 1 21-AUG-24 8KBG 0 JRNL AUTH D.LI,Y.XIAO,I.FEDOROVA,W.XIONG,Y.WANG,X.LIU,E.HUITING,J.REN, JRNL AUTH 2 Z.GAO,X.ZHAO,X.CAO,Y.ZHANG,J.BONDY-DENOMY,Y.FENG JRNL TITL SINGLE PHAGE PROTEINS SEQUESTER SIGNALS FROM TIR AND JRNL TITL 2 CGAS-LIKE ENZYMES. JRNL REF NATURE V. 635 719 2024 JRNL REFN ESSN 1476-4687 JRNL PMID 39478223 JRNL DOI 10.1038/S41586-024-08122-4 REMARK 2 REMARK 2 RESOLUTION. 2.37 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX (1.18.2_3874: ???) REMARK 3 AUTHORS : PAUL ADAMS,PAVEL AFONINE,VINCENT CHEN,IAN REMARK 3 : DAVIS,KRESHNA GOPAL,RALF GROSSE-KUNSTLEVE, REMARK 3 : LI-WEI HUNG,ROBERT IMMORMINO,TOM IOERGER, REMARK 3 : AIRLIE MCCOY,ERIK MCKEE,NIGEL MORIARTY, REMARK 3 : REETAL PAI,RANDY READ,JANE RICHARDSON, REMARK 3 : DAVID RICHARDSON,TOD ROMO,JIM SACCHETTINI, REMARK 3 : NICHOLAS SAUTER,JACOB SMITH,LAURENT REMARK 3 : STORONI,TOM TERWILLIGER,PETER ZWART REMARK 3 REMARK 3 REFINEMENT TARGET : ML REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.37 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 31.47 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 33876 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.208 REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.247 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.810 REMARK 3 FREE R VALUE TEST SET COUNT : 1630 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT (IN BINS). REMARK 3 BIN RESOLUTION RANGE COMPL. NWORK NFREE RWORK RFREE REMARK 3 1 31.4700 - 5.4200 0.99 2753 149 0.1670 0.1780 REMARK 3 2 5.4200 - 4.3000 1.00 2710 124 0.1716 0.2257 REMARK 3 3 4.3000 - 3.7600 1.00 2706 131 0.1802 0.2236 REMARK 3 4 3.7600 - 3.4200 1.00 2687 138 0.1993 0.2332 REMARK 3 5 3.4200 - 3.1700 1.00 2673 145 0.2212 0.2597 REMARK 3 6 3.1700 - 2.9900 1.00 2680 128 0.2417 0.3154 REMARK 3 7 2.9900 - 2.8400 1.00 2688 148 0.2380 0.3144 REMARK 3 8 2.8400 - 2.7100 1.00 2639 148 0.2584 0.3065 REMARK 3 9 2.7100 - 2.6100 1.00 2706 128 0.2575 0.2680 REMARK 3 10 2.6100 - 2.5200 1.00 2657 136 0.2756 0.2924 REMARK 3 11 2.5200 - 2.4400 1.00 2660 128 0.2897 0.3623 REMARK 3 12 2.4400 - 2.3700 1.00 2687 127 0.3069 0.3597 REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : FLAT BULK SOLVENT MODEL REMARK 3 SOLVENT RADIUS : 1.11 REMARK 3 SHRINKAGE RADIUS : 0.90 REMARK 3 K_SOL : NULL REMARK 3 B_SOL : NULL REMARK 3 REMARK 3 ERROR ESTIMATES. REMARK 3 COORDINATE ERROR (MAXIMUM-LIKELIHOOD BASED) : 0.340 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 27.620 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : NULL REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : NULL REMARK 3 B22 (A**2) : NULL REMARK 3 B33 (A**2) : NULL REMARK 3 B12 (A**2) : NULL REMARK 3 B13 (A**2) : NULL REMARK 3 B23 (A**2) : NULL REMARK 3 REMARK 3 TWINNING INFORMATION. REMARK 3 FRACTION: NULL REMARK 3 OPERATOR: NULL REMARK 3 REMARK 3 DEVIATIONS FROM IDEAL VALUES. REMARK 3 RMSD COUNT REMARK 3 BOND : 0.012 6366 REMARK 3 ANGLE : 2.028 8592 REMARK 3 CHIRALITY : 0.090 924 REMARK 3 PLANARITY : 0.011 1086 REMARK 3 DIHEDRAL : 19.336 1080 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 NCS DETAILS REMARK 3 NUMBER OF NCS GROUPS : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 8KBG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 10-AUG-23. REMARK 100 THE DEPOSITION ID IS D_1300039772. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 15-JUL-23 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : SSRF REMARK 200 BEAMLINE : BL19U1 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.979 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XIA2 REMARK 200 DATA SCALING SOFTWARE : AIMLESS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 33894 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.370 REMARK 200 RESOLUTION RANGE LOW (A) : 35.570 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.800 REMARK 200 R MERGE (I) : 0.16100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 10.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.37 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.43 REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : 7.10 REMARK 200 R MERGE FOR SHELL (I) : 1.40000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHENIX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 47.62 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.35 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M MIB PH 6.0, 55% V/V MPD, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 291K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 33.02000 REMARK 290 SMTRY3 2 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 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: HEXAMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 27610 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 30260 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -123.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: D, E, F, G, H, I 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 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 OD2 ASP H 68 O HOH H 501 1.97 REMARK 500 O HOH F 504 O HOH G 508 1.99 REMARK 500 OXT LYS D 124 O HOH D 501 2.12 REMARK 500 O HOH E 502 O HOH E 528 2.17 REMARK 500 OE1 GLU D 115 O HOH D 502 2.19 REMARK 500 REMARK 500 REMARK: NULL 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 NZ LYS E 58 O GLU H 60 2444 1.83 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 TYR D 47 87.98 -152.97 REMARK 500 TYR E 47 88.01 -151.10 REMARK 500 LYS G 61 -7.19 -58.43 REMARK 500 ASN I 36 30.20 -94.25 REMARK 500 REMARK 500 REMARK: NULL DBREF 8KBG D 1 124 UNP P0DW58 TAD1_CLOBO 1 124 DBREF 8KBG E 1 124 UNP P0DW58 TAD1_CLOBO 1 124 DBREF 8KBG F 1 124 UNP P0DW58 TAD1_CLOBO 1 124 DBREF 8KBG G 1 124 UNP P0DW58 TAD1_CLOBO 1 124 DBREF 8KBG H 1 124 UNP P0DW58 TAD1_CLOBO 1 124 DBREF 8KBG I 1 124 UNP P0DW58 TAD1_CLOBO 1 124 SEQRES 1 D 124 MET LYS GLU LEU SER THR ILE GLN LYS ARG GLU LYS LEU SEQRES 2 D 124 ASN THR VAL GLU ARG ILE GLY SER GLU GLY PRO GLY GLY SEQRES 3 D 124 ALA TYR HIS GLU TYR VAL ILE LYS SER ASN SER MET ASP SEQRES 4 D 124 SER GLN GLY ASN TYR ASP VAL TYR GLU THR ILE LYS PHE SEQRES 5 D 124 GLN LYS GLY ALA ARG LYS GLU GLU LYS SER GLN HIS GLY SEQRES 6 D 124 VAL ILE ASP SER ASP LEU LEU GLU ILE VAL ARG ASP ARG SEQRES 7 D 124 LEU LYS SER PHE GLN ALA GLY PRO PHE SER SER ARG GLU SEQRES 8 D 124 ASN ALA CYS ALA LEU THR HIS VAL GLU GLU ALA LEU MET SEQRES 9 D 124 TRP MET ASN ARG ARG VAL GLU ASP ARG ILE GLU ARG ASN SEQRES 10 D 124 VAL LEU GLY THR ASN THR LYS SEQRES 1 E 124 MET LYS GLU LEU SER THR ILE GLN LYS ARG GLU LYS LEU SEQRES 2 E 124 ASN THR VAL GLU ARG ILE GLY SER GLU GLY PRO GLY GLY SEQRES 3 E 124 ALA TYR HIS GLU TYR VAL ILE LYS SER ASN SER MET ASP SEQRES 4 E 124 SER GLN GLY ASN TYR ASP VAL TYR GLU THR ILE LYS PHE SEQRES 5 E 124 GLN LYS GLY ALA ARG LYS GLU GLU LYS SER GLN HIS GLY SEQRES 6 E 124 VAL ILE ASP SER ASP LEU LEU GLU ILE VAL ARG ASP ARG SEQRES 7 E 124 LEU LYS SER PHE GLN ALA GLY PRO PHE SER SER ARG GLU SEQRES 8 E 124 ASN ALA CYS ALA LEU THR HIS VAL GLU GLU ALA LEU MET SEQRES 9 E 124 TRP MET ASN ARG ARG VAL GLU ASP ARG ILE GLU ARG ASN SEQRES 10 E 124 VAL LEU GLY THR ASN THR LYS SEQRES 1 F 124 MET LYS GLU LEU SER THR ILE GLN LYS ARG GLU LYS LEU SEQRES 2 F 124 ASN THR VAL GLU ARG ILE GLY SER GLU GLY PRO GLY GLY SEQRES 3 F 124 ALA TYR HIS GLU TYR VAL ILE LYS SER ASN SER MET ASP SEQRES 4 F 124 SER GLN GLY ASN TYR ASP VAL TYR GLU THR ILE LYS PHE SEQRES 5 F 124 GLN LYS GLY ALA ARG LYS GLU GLU LYS SER GLN HIS GLY SEQRES 6 F 124 VAL ILE ASP SER ASP LEU LEU GLU ILE VAL ARG ASP ARG SEQRES 7 F 124 LEU LYS SER PHE GLN ALA GLY PRO PHE SER SER ARG GLU SEQRES 8 F 124 ASN ALA CYS ALA LEU THR HIS VAL GLU GLU ALA LEU MET SEQRES 9 F 124 TRP MET ASN ARG ARG VAL GLU ASP ARG ILE GLU ARG ASN SEQRES 10 F 124 VAL LEU GLY THR ASN THR LYS SEQRES 1 G 124 MET LYS GLU LEU SER THR ILE GLN LYS ARG GLU LYS LEU SEQRES 2 G 124 ASN THR VAL GLU ARG ILE GLY SER GLU GLY PRO GLY GLY SEQRES 3 G 124 ALA TYR HIS GLU TYR VAL ILE LYS SER ASN SER MET ASP SEQRES 4 G 124 SER GLN GLY ASN TYR ASP VAL TYR GLU THR ILE LYS PHE SEQRES 5 G 124 GLN LYS GLY ALA ARG LYS GLU GLU LYS SER GLN HIS GLY SEQRES 6 G 124 VAL ILE ASP SER ASP LEU LEU GLU ILE VAL ARG ASP ARG SEQRES 7 G 124 LEU LYS SER PHE GLN ALA GLY PRO PHE SER SER ARG GLU SEQRES 8 G 124 ASN ALA CYS ALA LEU THR HIS VAL GLU GLU ALA LEU MET SEQRES 9 G 124 TRP MET ASN ARG ARG VAL GLU ASP ARG ILE GLU ARG ASN SEQRES 10 G 124 VAL LEU GLY THR ASN THR LYS SEQRES 1 H 124 MET LYS GLU LEU SER THR ILE GLN LYS ARG GLU LYS LEU SEQRES 2 H 124 ASN THR VAL GLU ARG ILE GLY SER GLU GLY PRO GLY GLY SEQRES 3 H 124 ALA TYR HIS GLU TYR VAL ILE LYS SER ASN SER MET ASP SEQRES 4 H 124 SER GLN GLY ASN TYR ASP VAL TYR GLU THR ILE LYS PHE SEQRES 5 H 124 GLN LYS GLY ALA ARG LYS GLU GLU LYS SER GLN HIS GLY SEQRES 6 H 124 VAL ILE ASP SER ASP LEU LEU GLU ILE VAL ARG ASP ARG SEQRES 7 H 124 LEU LYS SER PHE GLN ALA GLY PRO PHE SER SER ARG GLU SEQRES 8 H 124 ASN ALA CYS ALA LEU THR HIS VAL GLU GLU ALA LEU MET SEQRES 9 H 124 TRP MET ASN ARG ARG VAL GLU ASP ARG ILE GLU ARG ASN SEQRES 10 H 124 VAL LEU GLY THR ASN THR LYS SEQRES 1 I 124 MET LYS GLU LEU SER THR ILE GLN LYS ARG GLU LYS LEU SEQRES 2 I 124 ASN THR VAL GLU ARG ILE GLY SER GLU GLY PRO GLY GLY SEQRES 3 I 124 ALA TYR HIS GLU TYR VAL ILE LYS SER ASN SER MET ASP SEQRES 4 I 124 SER GLN GLY ASN TYR ASP VAL TYR GLU THR ILE LYS PHE SEQRES 5 I 124 GLN LYS GLY ALA ARG LYS GLU GLU LYS SER GLN HIS GLY SEQRES 6 I 124 VAL ILE ASP SER ASP LEU LEU GLU ILE VAL ARG ASP ARG SEQRES 7 I 124 LEU LYS SER PHE GLN ALA GLY PRO PHE SER SER ARG GLU SEQRES 8 I 124 ASN ALA CYS ALA LEU THR HIS VAL GLU GLU ALA LEU MET SEQRES 9 I 124 TRP MET ASN ARG ARG VAL GLU ASP ARG ILE GLU ARG ASN SEQRES 10 I 124 VAL LEU GLY THR ASN THR LYS HET 1SY D 401 45 HET 1SY E 401 45 HET 1SY F 401 45 HET 1SY G 401 45 HET 1SY H 401 45 HET 1SY I 401 45 HETNAM 1SY CGAMP HETSYN 1SY 2',3' CGAMP; C-GMP-AMP; C[G(2',5')PA(3',5')P] FORMUL 7 1SY 6(C20 H24 N10 O13 P2) FORMUL 13 HOH *94(H2 O) HELIX 1 AA1 GLY D 23 ALA D 27 5 5 HELIX 2 AA2 ILE D 67 GLY D 85 1 19 HELIX 3 AA3 SER D 89 ARG D 116 1 28 HELIX 4 AA4 GLY E 23 ALA E 27 5 5 HELIX 5 AA5 ILE E 67 GLY E 85 1 19 HELIX 6 AA6 SER E 89 ARG E 116 1 28 HELIX 7 AA7 PRO F 24 GLY F 26 5 3 HELIX 8 AA8 ILE F 67 GLY F 85 1 19 HELIX 9 AA9 SER F 89 ARG F 116 1 28 HELIX 10 AB1 GLY G 23 ALA G 27 5 5 HELIX 11 AB2 ILE G 67 GLY G 85 1 19 HELIX 12 AB3 SER G 89 ARG G 116 1 28 HELIX 13 AB4 GLY H 23 ALA H 27 5 5 HELIX 14 AB5 ILE H 67 GLY H 85 1 19 HELIX 15 AB6 SER H 89 ARG H 116 1 28 HELIX 16 AB7 GLY I 23 ALA I 27 5 5 HELIX 17 AB8 ILE I 67 GLY I 85 1 19 HELIX 18 AB9 SER I 89 ARG I 116 1 28 SHEET 1 AA1 3 ASN D 14 ARG D 18 0 SHEET 2 AA1 3 GLU D 30 SER D 35 -1 O LYS D 34 N THR D 15 SHEET 3 AA1 3 TYR D 47 LYS D 51 -1 O ILE D 50 N TYR D 31 SHEET 1 AA2 3 ASN E 14 ILE E 19 0 SHEET 2 AA2 3 GLU E 30 SER E 35 -1 O LYS E 34 N THR E 15 SHEET 3 AA2 3 TYR E 47 LYS E 51 -1 O ILE E 50 N TYR E 31 SHEET 1 AA3 3 ASN F 14 GLU F 22 0 SHEET 2 AA3 3 TYR F 28 SER F 35 -1 O LYS F 34 N THR F 15 SHEET 3 AA3 3 TYR F 47 LYS F 51 -1 O GLU F 48 N ILE F 33 SHEET 1 AA4 3 ASN G 14 ILE G 19 0 SHEET 2 AA4 3 GLU G 30 SER G 35 -1 O LYS G 34 N THR G 15 SHEET 3 AA4 3 TYR G 47 LYS G 51 -1 O ILE G 50 N TYR G 31 SHEET 1 AA5 3 ASN H 14 ARG H 18 0 SHEET 2 AA5 3 GLU H 30 SER H 35 -1 O LYS H 34 N THR H 15 SHEET 3 AA5 3 TYR H 47 LYS H 51 -1 O GLU H 48 N ILE H 33 SHEET 1 AA6 3 ASN I 14 ARG I 18 0 SHEET 2 AA6 3 GLU I 30 SER I 35 -1 O LYS I 34 N THR I 15 SHEET 3 AA6 3 TYR I 47 LYS I 51 -1 O GLU I 48 N ILE I 33 CRYST1 71.900 66.040 89.370 90.00 98.30 90.00 P 1 21 1 12 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 0.013908 0.000000 0.002029 0.00000 SCALE2 0.000000 0.015142 0.000000 0.00000 SCALE3 0.000000 0.000000 0.011308 0.00000