HEADER TRANSFERASE 21-MAY-15 4ZYD TITLE CRYSTAL STRUCTURE OF SULFOLOBUS SOLFATARICUS O6-METHYLGUANINE TITLE 2 METHYLTRANSFERASE IN COMPLEX WITH MODIFIED DNA COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHYLATED-DNA--PROTEIN-CYSTEINE METHYLTRANSFERASE; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: 6-O-METHYLGUANINE-DNA METHYLTRANSFERASE,MGMT,O-6- COMPND 5 METHYLGUANINE-DNA-ALKYLTRANSFERASE; COMPND 6 EC: 2.1.1.63; COMPND 7 ENGINEERED: YES; COMPND 8 MUTATION: YES; COMPND 9 OTHER_DETAILS: METHIONINE AT POSITION 1 AND GLUTAMIC ACID AT POSITION COMPND 10 151 WERE NOT DETECTED IN ELECTRON DENSITY MAP. THEREFORE, THEY WERE COMPND 11 EXCLUDED FROM THE COORDINATE FILE.; COMPND 12 MOL_ID: 2; COMPND 13 MOLECULE: DNA (5'-D(*GP*CP*CP*AP*TP*GP*(6OG)P*CP*TP*AP*GP*TP*A)-3'); COMPND 14 CHAIN: B; COMPND 15 ENGINEERED: YES; COMPND 16 MOL_ID: 3; COMPND 17 MOLECULE: DNA (5'-D(*TP*AP*CP*TP*AP*GP*CP*CP*AP*TP*GP*GP*C)-3'); COMPND 18 CHAIN: C; COMPND 19 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SULFOLOBUS SOLFATARICUS; SOURCE 3 ORGANISM_TAXID: 2287; SOURCE 4 GENE: OGT, SSO2487; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_PLASMID: PQE31; SOURCE 8 MOL_ID: 2; SOURCE 9 SYNTHETIC: YES; SOURCE 10 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 11 ORGANISM_TAXID: 32630; SOURCE 12 MOL_ID: 3; SOURCE 13 SYNTHETIC: YES; SOURCE 14 ORGANISM_SCIENTIFIC: SYNTHETIC CONSTRUCT; SOURCE 15 ORGANISM_TAXID: 32630 KEYWDS TRANSFERASE, EXTREMOPHILES, DNA REPAIR, ALKYLATED DNA-PROTEIN KEYWDS 2 ALKYLTRANSFERASE, PROTEIN-DNA COMPLEX, CELL CYCLE EXPDTA X-RAY DIFFRACTION AUTHOR R.MIGGIANO,F.ROSSI,M.RIZZI REVDAT 2 28-OCT-15 4ZYD 1 JRNL REVDAT 1 12-AUG-15 4ZYD 0 JRNL AUTH G.PERUGINO,R.MIGGIANO,M.SERPE,A.VETTONE,A.VALENTI,S.LAHIRI, JRNL AUTH 2 F.ROSSI,M.ROSSI,M.RIZZI,M.CIARAMELLA JRNL TITL STRUCTURE-FUNCTION RELATIONSHIPS GOVERNING ACTIVITY AND JRNL TITL 2 STABILITY OF A DNA ALKYLATION DAMAGE REPAIR THERMOSTABLE JRNL TITL 3 PROTEIN. JRNL REF NUCLEIC ACIDS RES. V. 43 8801 2015 JRNL REFN ESSN 1362-4962 JRNL PMID 26227971 JRNL DOI 10.1093/NAR/GKV774 REMARK 2 REMARK 2 RESOLUTION. 2.68 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : PHENIX 1.9_1690 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) : 2.68 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.20 REMARK 3 MIN(FOBS/SIGMA_FOBS) : 1.340 REMARK 3 COMPLETENESS FOR RANGE (%) : 99.1 REMARK 3 NUMBER OF REFLECTIONS : 7916 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 R VALUE (WORKING + TEST SET) : 0.216 REMARK 3 R VALUE (WORKING SET) : 0.213 REMARK 3 FREE R VALUE : 0.271 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.670 REMARK 3 FREE R VALUE TEST SET COUNT : 370 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 39.1989 - 3.8676 1.00 2619 135 0.1860 0.2411 REMARK 3 2 3.8676 - 3.0702 0.99 2506 112 0.2432 0.2926 REMARK 3 3 3.0702 - 2.6822 0.98 2421 123 0.2947 0.4011 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) : 0.450 REMARK 3 PHASE ERROR (DEGREES, MAXIMUM-LIKELIHOOD BASED) : 32.680 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 : 0.010 1798 REMARK 3 ANGLE : 1.324 2534 REMARK 3 CHIRALITY : 0.054 281 REMARK 3 PLANARITY : 0.006 230 REMARK 3 DIHEDRAL : 24.403 708 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 4ZYD COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 21-MAY-15. REMARK 100 THE DEPOSITION ID IS D_1000210112. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 13-DEC-13 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : NULL REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : ESRF REMARK 200 BEAMLINE : ID29 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9724 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : PSI PILATUS 6M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 7993 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.670 REMARK 200 RESOLUTION RANGE LOW (A) : 41.760 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.7 REMARK 200 DATA REDUNDANCY : 5.200 REMARK 200 R MERGE (I) : 0.08100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 10.6000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.67 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : 90.9 REMARK 200 DATA REDUNDANCY IN SHELL : 5.20 REMARK 200 R MERGE FOR SHELL (I) : 0.77000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 1.700 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: PHASER REMARK 200 STARTING MODEL: 1WRJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.67 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 20% PEG 3350, NA/K TARTRATE 0.2 M, PH REMARK 280 7.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 277.15K 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 20.88200 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 48.76400 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 32.93950 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 48.76400 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 20.88200 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 32.93950 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 REMARK 290 REMARK: NULL REMARK 300 REMARK 300 BIOMOLECULE: 1, 2 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: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11280 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 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 APPLY THE FOLLOWING TO CHAINS: B, C REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 20.88200 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 32.93950 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 97.52800 REMARK 350 REMARK 350 BIOMOLECULE: 2 REMARK 350 AUTHOR DETERMINED BIOLOGICAL UNIT: TRIMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: TRIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3310 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 11280 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -10.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C 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 APPLY THE FOLLOWING TO CHAINS: A REMARK 350 BIOMT1 2 1.000000 0.000000 0.000000 -20.88200 REMARK 350 BIOMT2 2 0.000000 -1.000000 0.000000 32.93950 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 97.52800 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 MET A 1 REMARK 465 GLU A 151 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 VAL A 32 OD1 ASN A 35 0.87 REMARK 500 O VAL A 32 CG ASN A 35 1.86 REMARK 500 C VAL A 32 OD1 ASN A 35 2.00 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 DG B 6 O3' DG B 6 C3' -0.039 REMARK 500 DG B 6 O3' 6OG B 7 P -0.079 REMARK 500 DG C 19 O3' DC C 20 P -0.095 REMARK 500 DC C 21 O3' DA C 22 P -0.094 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 DC C 16 O4' - C1' - N1 ANGL. DEV. = 2.1 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 A 18 -167.09 -105.19 REMARK 500 ASP A 19 168.84 178.76 REMARK 500 ASP A 38 85.69 -165.85 REMARK 500 THR A 68 -177.86 -64.72 REMARK 500 LEU A 115 -59.95 64.35 REMARK 500 REMARK 500 REMARK: NULL DBREF 4ZYD A 1 151 UNP Q97VW7 OGT_SULSO 1 151 DBREF 4ZYD B 1 13 PDB 4ZYD 4ZYD 1 13 DBREF 4ZYD C 14 26 PDB 4ZYD 4ZYD 14 26 SEQADV 4ZYD ALA A 119 UNP Q97VW7 CYS 119 ENGINEERED MUTATION SEQRES 1 A 151 MET LEU VAL TYR GLY LEU TYR LYS SER PRO LEU GLY TYR SEQRES 2 A 151 ILE THR VAL ALA LYS ASP ASP LYS GLY PHE ILE MET LEU SEQRES 3 A 151 ASP PHE CYS ASP CYS VAL GLU GLY ASN SER ARG ASP ASP SEQRES 4 A 151 SER SER PHE THR GLU PHE PHE HIS LYS LEU ASP LEU TYR SEQRES 5 A 151 PHE GLU GLY LYS PRO ILE ASN LEU ARG GLU PRO ILE ASN SEQRES 6 A 151 LEU LYS THR TYR PRO PHE ARG LEU SER VAL PHE LYS GLU SEQRES 7 A 151 VAL MET LYS ILE PRO TRP GLY LYS VAL MET THR TYR LYS SEQRES 8 A 151 GLN ILE ALA ASP SER LEU GLY THR SER PRO ARG ALA VAL SEQRES 9 A 151 GLY MET ALA LEU SER LYS ASN PRO ILE LEU LEU ILE ILE SEQRES 10 A 151 PRO ALA HIS ARG VAL ILE ALA GLU ASN GLY ILE GLY GLY SEQRES 11 A 151 TYR SER ARG GLY VAL LYS LEU LYS ARG ALA LEU LEU GLU SEQRES 12 A 151 LEU GLU GLY VAL LYS ILE PRO GLU SEQRES 1 B 13 DG DC DC DA DT DG 6OG DC DT DA DG DT DA SEQRES 1 C 13 DT DA DC DT DA DG DC DC DA DT DG DG DC HET 6OG B 7 23 HETNAM 6OG 6-O-METHYL GUANOSINE-5'-MONOPHOSPHATE FORMUL 2 6OG C11 H16 N5 O7 P FORMUL 4 HOH *6(H2 O) HELIX 1 AA1 ASP A 38 SER A 41 5 4 HELIX 2 AA2 PHE A 42 PHE A 53 1 12 HELIX 3 AA3 TYR A 69 MET A 80 1 12 HELIX 4 AA4 TYR A 90 GLY A 98 1 9 HELIX 5 AA5 SER A 100 LYS A 110 1 11 HELIX 6 AA6 PRO A 118 HIS A 120 5 3 HELIX 7 AA7 GLY A 134 GLU A 145 1 12 SHEET 1 AA1 3 TYR A 4 SER A 9 0 SHEET 2 AA1 3 GLY A 12 ALA A 17 -1 O ILE A 14 N TYR A 7 SHEET 3 AA1 3 MET A 25 ASP A 27 -1 O ASP A 27 N THR A 15 SHEET 1 AA2 2 MET A 88 THR A 89 0 SHEET 2 AA2 2 VAL A 122 ILE A 123 1 O ILE A 123 N MET A 88 SSBOND 1 CYS A 29 CYS A 31 1555 1555 2.03 LINK O3' DG B 6 P 6OG B 7 1555 1555 1.53 LINK O3' 6OG B 7 P DC B 8 1555 1555 1.54 CRYST1 41.764 65.879 97.528 90.00 90.00 90.00 P 21 21 21 4 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 0.023944 0.000000 0.000000 0.00000 SCALE2 0.000000 0.015179 0.000000 0.00000 SCALE3 0.000000 0.000000 0.010253 0.00000 MASTER 298 0 1 7 5 0 0 6 0 0 0 14 END