HEADER RNA/RNA BINDING PROTEIN 18-FEB-15 4YB1 TITLE 20A MUTANT C-DI-GMP VC2 RIBOSWITCH BOUND WITH 3',3'-CGAMP COMPND MOL_ID: 1; COMPND 2 MOLECULE: RNA (91-MER); COMPND 3 CHAIN: R; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: U1 SMALL NUCLEAR RIBONUCLEOPROTEIN A; COMPND 7 CHAIN: P; COMPND 8 FRAGMENT: UNP RESIDUES 7-97; COMPND 9 SYNONYM: U1A; COMPND 10 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VIBRIO CHOLERAE; SOURCE 3 ORGANISM_TAXID: 666; SOURCE 4 EXPRESSION_SYSTEM: IN VITRO TRANSCRIPTION VECTOR PT7-FLUC(DELTAI); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 905932; SOURCE 6 MOL_ID: 2; SOURCE 7 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 8 ORGANISM_COMMON: HUMAN; SOURCE 9 ORGANISM_TAXID: 9606; SOURCE 10 GENE: SNRPA; SOURCE 11 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 12 EXPRESSION_SYSTEM_TAXID: 511693; SOURCE 13 EXPRESSION_SYSTEM_STRAIN: BL21 KEYWDS RIBOSWITCH, 3', 3'-CGAMP, SPINACH, RNA STRUCTURE, C-DI-GMP, RNA-RNA KEYWDS 2 BINDING PROTEIN COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR A.M.REN,D.J.PATEL,R.K.RAJASHANKAR REVDAT 4 28-FEB-24 4YB1 1 SOURCE REMARK HETSYN LINK REVDAT 3 22-JUL-15 4YB1 1 HETSYN REVDAT 2 22-APR-15 4YB1 1 JRNL REVDAT 1 15-APR-15 4YB1 0 JRNL AUTH A.REN,X.C.WANG,C.A.KELLENBERGER,K.R.RAJASHANKAR,R.A.JONES, JRNL AUTH 2 M.C.HAMMOND,D.J.PATEL JRNL TITL STRUCTURAL BASIS FOR MOLECULAR DISCRIMINATION BY A JRNL TITL 2 3',3'-CGAMP SENSING RIBOSWITCH. JRNL REF CELL REP V. 11 1 2015 JRNL REFN ESSN 2211-1247 JRNL PMID 25818298 JRNL DOI 10.1016/J.CELREP.2015.03.004 REMARK 2 REMARK 2 RESOLUTION. 2.08 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.8.4_1496 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) : 2.08 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 43.72 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 74.1 REMARK 3 NUMBER OF REFLECTIONS : 17405 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.222 REMARK 3 R VALUE (WORKING SET) : 0.218 REMARK 3 FREE R VALUE : 0.299 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.070 REMARK 3 FREE R VALUE TEST SET COUNT : 882 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 43.7321 - 3.7813 0.72 2767 147 0.1505 0.2262 REMARK 3 2 3.7813 - 3.0015 0.77 2854 149 0.2000 0.2649 REMARK 3 3 3.0015 - 2.6222 0.80 2951 155 0.3211 0.4279 REMARK 3 4 2.6222 - 2.3825 0.79 2937 156 0.3589 0.4734 REMARK 3 5 2.3825 - 2.2117 0.83 3046 169 0.3630 0.4334 REMARK 3 6 2.2117 - 2.0810 0.54 1968 106 0.3431 0.3954 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) : 0.470 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 43.190 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 3006 REMARK 3 ANGLE : 1.223 4510 REMARK 3 CHIRALITY : 0.055 575 REMARK 3 PLANARITY : 0.006 221 REMARK 3 DIHEDRAL : 18.678 1402 REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : 1 REMARK 3 TLS GROUP : 1 REMARK 3 SELECTION: ALL REMARK 3 ORIGIN FOR THE GROUP (A): 9.7237 -2.7309 48.4783 REMARK 3 T TENSOR REMARK 3 T11: 0.3317 T22: 0.3677 REMARK 3 T33: 0.3527 T12: 0.0207 REMARK 3 T13: 0.0014 T23: -0.0319 REMARK 3 L TENSOR REMARK 3 L11: -0.1369 L22: 0.1439 REMARK 3 L33: 0.6480 L12: 0.0232 REMARK 3 L13: -0.0101 L23: -0.1499 REMARK 3 S TENSOR REMARK 3 S11: 0.0363 S12: -0.0135 S13: 0.0096 REMARK 3 S21: 0.0475 S22: 0.0639 S23: -0.0841 REMARK 3 S31: -0.0414 S32: 0.0708 S33: -0.0850 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 4YB1 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-FEB-15. REMARK 100 THE DEPOSITION ID IS D_1000207149. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-FEB-14 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 5.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 24-ID-C REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9792 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : ADSC QUANTUM 315R REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : XDS REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 17467 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.080 REMARK 200 RESOLUTION RANGE LOW (A) : 46.800 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.600 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 75.2 REMARK 200 DATA REDUNDANCY : 2.000 REMARK 200 R MERGE (I) : 0.05900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 11.3000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.08 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.14 REMARK 200 COMPLETENESS FOR SHELL (%) : 42.2 REMARK 200 DATA REDUNDANCY IN SHELL : 1.20 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 0.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 49.54 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.44 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.1 M NA-CITRATE PH 5.5, 5% PEG1000, REMARK 280 35% ISO-PROPANOL, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 293K 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 23.41800 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: DIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 450 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 20580 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -15.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: R, P 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 O HOH R 202 O HOH R 204 2.14 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 OP2 C R 75 NZ LYS P 46 1554 2.13 REMARK 500 REMARK 500 REMARK: NULL 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 PROTEIN: ENGH AND HUBER, 1999 REMARK 500 EXPECTED VALUES NUCLEIC ACID: CLOWNEY ET AL 1996 REMARK 500 REMARK 500 M RES CSSEQI ATM1 ATM2 ATM3 REMARK 500 G R 10 N3 - C4 - N9 ANGL. DEV. = -3.8 DEGREES REMARK 500 A R 66 O4' - C1' - N9 ANGL. DEV. = 4.4 DEGREES REMARK 500 A R 66 C5 - N7 - C8 ANGL. DEV. = -3.3 DEGREES 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 LYS P 46 -155.69 -169.44 REMARK 500 ARG P 47 -2.90 -154.34 REMARK 500 ARG P 52 136.14 -35.97 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: NON-CIS, NON-TRANS REMARK 500 REMARK 500 THE FOLLOWING PEPTIDE BONDS DEVIATE SIGNIFICANTLY FROM BOTH REMARK 500 CIS AND TRANS CONFORMATION. CIS BONDS, IF ANY, ARE LISTED REMARK 500 ON CISPEP RECORDS. TRANS IS DEFINED AS 180 +/- 30 AND REMARK 500 CIS IS DEFINED AS 0 +/- 30 DEGREES. REMARK 500 MODEL OMEGA REMARK 500 VAL P 45 LYS P 46 149.43 REMARK 500 LYS P 46 ARG P 47 -127.88 REMARK 500 REMARK 500 REMARK: NULL REMARK 620 REMARK 620 METAL COORDINATION REMARK 620 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 620 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 620 REMARK 620 COORDINATION ANGLES FOR: M RES CSSEQI METAL REMARK 620 MG R 101 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 G R 42 O6 REMARK 620 2 HOH R 203 O 98.8 REMARK 620 3 HOH R 206 O 164.5 95.7 REMARK 620 4 HOH R 207 O 79.9 108.4 90.3 REMARK 620 N 1 2 3 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue MG R 101 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: binding site for residue 4BW R 102 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 4YAZ RELATED DB: PDB REMARK 900 RELATED ID: 4YB0 RELATED DB: PDB DBREF 4YB1 R 8 98 PDB 4YB1 4YB1 8 98 DBREF 4YB1 P 7 97 UNP P09012 SNRPA_HUMAN 7 97 SEQADV 4YB1 HIS P 31 UNP P09012 TYR 31 CONFLICT SEQADV 4YB1 ARG P 36 UNP P09012 GLN 36 CONFLICT SEQADV 4YB1 LYS P 46 UNP P09012 SER 46 CONFLICT SEQADV 4YB1 ALA P 98 UNP P09012 EXPRESSION TAG SEQRES 1 R 91 G G G C A C G C A C A G A SEQRES 2 R 91 G C A A A C C A U U C G A SEQRES 3 R 91 A A G A G U G G G A C G C SEQRES 4 R 91 A A A G C C U C C G G C C SEQRES 5 R 91 U A A A C C A U U G C A C SEQRES 6 R 91 C U C G G U A G G U A G C SEQRES 7 R 91 G G G G U U A C C G A U G SEQRES 1 P 92 ARG PRO ASN HIS THR ILE TYR ILE ASN ASN LEU ASN GLU SEQRES 2 P 92 LYS ILE LYS LYS ASP GLU LEU LYS LYS SER LEU HIS ALA SEQRES 3 P 92 ILE PHE SER ARG PHE GLY GLN ILE LEU ASP ILE LEU VAL SEQRES 4 P 92 LYS ARG SER LEU LYS MET ARG GLY GLN ALA PHE VAL ILE SEQRES 5 P 92 PHE LYS GLU VAL SER SER ALA THR ASN ALA LEU ARG SER SEQRES 6 P 92 MET GLN GLY PHE PRO PHE TYR ASP LYS PRO MET ARG ILE SEQRES 7 P 92 GLN TYR ALA LYS THR ASP SER ASP ILE ILE ALA LYS MET SEQRES 8 P 92 ALA HET MG R 101 1 HET 4BW R 102 45 HETNAM MG MAGNESIUM ION HETNAM 4BW 2-AMINO-9-[(2R,3R,3AS,5R,7AR,9R,10R,10AS,12R,14AR)-9- HETNAM 2 4BW (6-AMINO-9H-PURIN-9-YL)-3,5,10,12-TETRAHYDROXY-5,12- HETNAM 3 4BW DIOXIDOOCTAHYDRO-2H,7H-DIFURO[3,2-D:3',2'-J][1,3,7,9, HETNAM 4 4BW 2,8]TETRAOXADIPHOSPHACYCLODODECIN-2-YL]-1,9-DIHYDRO- HETNAM 5 4BW 6H-PURIN-6-ONE HETSYN 4BW 3',3' CGAMP; C-GMP-AMP; C[G(3',5')PA(3',5')P] FORMUL 3 MG MG 2+ FORMUL 4 4BW C20 H24 N10 O13 P2 FORMUL 5 HOH *11(H2 O) HELIX 1 AA1 LYS P 22 SER P 35 1 14 HELIX 2 AA2 GLU P 61 GLN P 73 1 13 HELIX 3 AA3 SER P 91 ALA P 98 1 8 SHEET 1 AA1 4 ILE P 40 LYS P 46 0 SHEET 2 AA1 4 GLN P 54 PHE P 59 -1 O ILE P 58 N ASP P 42 SHEET 3 AA1 4 THR P 11 ASN P 15 -1 N ILE P 14 O ALA P 55 SHEET 4 AA1 4 ARG P 83 TYR P 86 -1 O ARG P 83 N ASN P 15 SHEET 1 AA2 2 PRO P 76 PHE P 77 0 SHEET 2 AA2 2 LYS P 80 PRO P 81 -1 O LYS P 80 N PHE P 77 LINK O6 G R 42 MG MG R 101 1555 1555 2.61 LINK MG MG R 101 O HOH R 203 1555 1555 2.10 LINK MG MG R 101 O HOH R 206 1555 1555 2.13 LINK MG MG R 101 O HOH R 207 1555 1555 2.07 SITE 1 AC1 4 G R 42 HOH R 203 HOH R 206 HOH R 207 SITE 1 AC2 10 G R 14 A R 16 C R 17 A R 18 SITE 2 AC2 10 A R 20 G R 21 C R 46 A R 47 SITE 3 AC2 10 C R 93 C R 94 CRYST1 51.738 46.836 80.791 90.00 90.44 90.00 P 1 21 1 2 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 0.019328 0.000000 0.000150 0.00000 SCALE2 0.000000 0.021351 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012378 0.00000