HEADER METHYLTRANSFERASE 16-DEC-96 2VP3 TITLE DC26 MUTANT OF VACCINIA VIRUS PROTEIN VP39 IN COMPLEX WITH S- TITLE 2 ADENOSYLHOMOCYSTEINE AND M7G(5')PPPG COMPND MOL_ID: 1; COMPND 2 MOLECULE: VP39; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: POLY(A) POLYMERASE REGULATORY SUBUNIT; COMPND 5 EC: 2.7.7.19; COMPND 6 ENGINEERED: YES; COMPND 7 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: VACCINIA VIRUS; SOURCE 3 ORGANISM_TAXID: 10254; SOURCE 4 STRAIN: WR; SOURCE 5 CELL_LINE: BL21; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 7 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3); SOURCE 9 EXPRESSION_SYSTEM_PLASMID: BL21 KEYWDS METHYLTRANSFERASE, RNA CAP, POLY(A) POLYMERASE, VACCINIA, MRNA KEYWDS 2 PROCESSING, TRANSCRIPTION EXPDTA X-RAY DIFFRACTION AUTHOR A.E.HODEL,P.D.GERSHON,F.A.QUIOCHO REVDAT 5 06-MAR-24 2VP3 1 COMPND REMARK FORMUL REVDAT 4 09-AUG-23 2VP3 1 REMARK ATOM REVDAT 3 13-JUL-11 2VP3 1 VERSN REVDAT 2 24-FEB-09 2VP3 1 VERSN REVDAT 1 17-SEP-97 2VP3 0 JRNL AUTH A.E.HODEL,P.D.GERSHON,X.SHI,S.M.WANG,F.A.QUIOCHO JRNL TITL SPECIFIC PROTEIN RECOGNITION OF AN MRNA CAP THROUGH ITS JRNL TITL 2 ALKYLATED BASE. JRNL REF NAT.STRUCT.BIOL. V. 4 350 1997 JRNL REFN ISSN 1072-8368 JRNL PMID 9145102 JRNL DOI 10.1038/NSB0597-350 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH A.E.HODEL,P.D.GERSHON,X.SHI,F.A.QUIOCHO REMARK 1 TITL THE 1.85 A STRUCTURE OF VACCINIA PROTEIN VP39: A REMARK 1 TITL 2 BIFUNCTIONAL ENZYME THAT PARTICIPATES IN THE MODIFICATION OF REMARK 1 TITL 3 BOTH MRNA ENDS REMARK 1 REF CELL(CAMBRIDGE,MASS.) V. 85 247 1996 REMARK 1 REFN ISSN 0092-8674 REMARK 2 REMARK 2 RESOLUTION. 1.95 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.1 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.95 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 8.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 100000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0001 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.0 REMARK 3 NUMBER OF REFLECTIONS : 25239 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : NULL REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING SET) : 0.224 REMARK 3 FREE R VALUE : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : NULL 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) : NULL REMARK 3 BIN RESOLUTION RANGE LOW (A) : NULL REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : NULL REMARK 3 REFLECTIONS IN BIN (WORKING SET) : NULL REMARK 3 BIN R VALUE (WORKING SET) : NULL REMARK 3 BIN FREE R VALUE : NULL REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 BIN FREE R VALUE TEST SET COUNT : NULL REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : NULL REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2402 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 55 REMARK 3 SOLVENT ATOMS : 205 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.80 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 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM SIGMAA (A) : NULL REMARK 3 LOW RESOLUTION CUTOFF (A) : NULL REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : NULL REMARK 3 ESD FROM C-V SIGMAA (A) : NULL REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.030 REMARK 3 BOND ANGLES (DEGREES) : 2.700 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : NULL ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 2.000 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2VP3 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000178739. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 30-MAY-96 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : N REMARK 200 RADIATION SOURCE : ROTATING ANODE REMARK 200 BEAMLINE : NULL REMARK 200 X-RAY GENERATOR MODEL : RIGAKU RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : NI FILTER REMARK 200 OPTICS : MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MACSCIENCE REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 28824 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.950 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.3 REMARK 200 DATA REDUNDANCY : 4.000 REMARK 200 R MERGE (I) : 0.04900 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 35.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.95 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.00 REMARK 200 COMPLETENESS FOR SHELL (%) : 96.0 REMARK 200 DATA REDUNDANCY IN SHELL : 3.00 REMARK 200 R MERGE FOR SHELL (I) : 0.31000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : 4.000 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.1 REMARK 200 STARTING MODEL: PDB ENTRY 1VPT REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 53.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.71 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: DC26/ADOHCY CRYSTAL SOAKED IN 10MM REMARK 280 M7GDP., PH 6.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 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 X+1/2,Y+1/2,Z 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 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 1.000000 0.000000 0.000000 42.30000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.65000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 42.30000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.65000 REMARK 290 SMTRY3 4 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 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 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 375 REMARK 375 SPECIAL POSITION REMARK 375 THE FOLLOWING ATOMS ARE FOUND TO BE WITHIN 0.15 ANGSTROMS REMARK 375 OF A SYMMETRY RELATED ATOM AND ARE ASSUMED TO BE ON SPECIAL REMARK 375 POSITIONS. REMARK 375 REMARK 375 ATOM RES CSSEQI REMARK 375 HOH A 556 LIES ON A SPECIAL POSITION. 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 -14 REMARK 465 SER A -13 REMARK 465 PRO A -12 REMARK 465 GLY A -11 REMARK 465 ILE A -10 REMARK 465 SER A -9 REMARK 465 GLY A -8 REMARK 465 GLY A -7 REMARK 465 GLY A -6 REMARK 465 GLY A -5 REMARK 465 GLY A -4 REMARK 465 ILE A -3 REMARK 465 LEU A -2 REMARK 465 ASP A -1 REMARK 465 SER A 0 REMARK 465 LYS A 142 REMARK 465 ARG A 143 REMARK 465 GLY A 144 REMARK 465 GLY A 145 REMARK 465 ASN A 146 REMARK 465 GLU A 147 REMARK 465 THR A 298 REMARK 465 THR A 299 REMARK 465 SER A 300 REMARK 465 THR A 301 REMARK 465 GLU A 302 REMARK 465 LYS A 303 REMARK 465 VAL A 304 REMARK 465 SER A 305 REMARK 465 HIS A 306 REMARK 465 GLU A 307 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 ARG A 140 CG CD NE CZ NH1 NH2 REMARK 470 SER A 141 OG 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 A 578 O HOH A 820 2.13 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 PRO A 148 N PRO A 148 CA -0.199 REMARK 500 PRO A 148 CB PRO A 148 CG 0.315 REMARK 500 PRO A 148 CD PRO A 148 N -0.087 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 PRO A 148 CA - N - CD ANGL. DEV. = 33.0 DEGREES REMARK 500 PRO A 148 N - CD - CG ANGL. DEV. = -16.6 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 PRO A 130 32.51 -98.32 REMARK 500 ILE A 242 -67.06 -98.87 REMARK 500 ARG A 244 -8.81 -58.82 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 SAH A 400 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE M7G A 401 DBREF 2VP3 A 1 307 UNP P07617 PAP2_VACCV 1 307 SEQRES 1 A 322 GLY SER PRO GLY ILE SER GLY GLY GLY GLY GLY ILE LEU SEQRES 2 A 322 ASP SER MET ASP VAL VAL SER LEU ASP LYS PRO PHE MET SEQRES 3 A 322 TYR PHE GLU GLU ILE ASP ASN GLU LEU ASP TYR GLU PRO SEQRES 4 A 322 GLU SER ALA ASN GLU VAL ALA LYS LYS LEU PRO TYR GLN SEQRES 5 A 322 GLY GLN LEU LYS LEU LEU LEU GLY GLU LEU PHE PHE LEU SEQRES 6 A 322 SER LYS LEU GLN ARG HIS GLY ILE LEU ASP GLY ALA THR SEQRES 7 A 322 VAL VAL TYR ILE GLY SER ALA PRO GLY THR HIS ILE ARG SEQRES 8 A 322 TYR LEU ARG ASP HIS PHE TYR ASN LEU GLY VAL ILE ILE SEQRES 9 A 322 LYS TRP MET LEU ILE ASP GLY ARG HIS HIS ASP PRO ILE SEQRES 10 A 322 LEU ASN GLY LEU ARG ASP VAL THR LEU VAL THR ARG PHE SEQRES 11 A 322 VAL ASP GLU GLU TYR LEU ARG SER ILE LYS LYS GLN LEU SEQRES 12 A 322 HIS PRO SER LYS ILE ILE LEU ILE SER ASP VAL ARG SER SEQRES 13 A 322 LYS ARG GLY GLY ASN GLU PRO SER THR ALA ASP LEU LEU SEQRES 14 A 322 SER ASN TYR ALA LEU GLN ASN VAL MET ILE SER ILE LEU SEQRES 15 A 322 ASN PRO VAL ALA SER SER LEU LYS TRP ARG CYS PRO PHE SEQRES 16 A 322 PRO ASP GLN TRP ILE LYS ASP PHE TYR ILE PRO HIS GLY SEQRES 17 A 322 ASN LYS MET LEU GLN PRO PHE ALA PRO SER TYR SER ALA SEQRES 18 A 322 GLU MET ARG LEU LEU SER ILE TYR THR GLY GLU ASN MET SEQRES 19 A 322 ARG LEU THR ARG VAL THR LYS SER ASP ALA VAL ASN TYR SEQRES 20 A 322 GLU LYS LYS MET TYR TYR LEU ASN LYS ILE VAL ARG ASN SEQRES 21 A 322 LYS VAL VAL VAL ASN PHE ASP TYR PRO ASN GLN GLU TYR SEQRES 22 A 322 ASP TYR PHE HIS MET TYR PHE MET LEU ARG THR VAL TYR SEQRES 23 A 322 CYS ASN LYS THR PHE PRO THR THR LYS ALA LYS VAL LEU SEQRES 24 A 322 PHE LEU GLN GLN SER ILE PHE ARG PHE LEU ASN ILE PRO SEQRES 25 A 322 THR THR SER THR GLU LYS VAL SER HIS GLU HET SAH A 400 26 HET M7G A 401 29 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM M7G 7N-METHYL-8-HYDROGUANOSINE-5'-DIPHOSPHATE FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 M7G C11 H18 N5 O11 P2 1+ FORMUL 4 HOH *205(H2 O) HELIX 1 1 PHE A 13 GLU A 15 5 3 HELIX 2 2 PRO A 24 ASN A 28 5 5 HELIX 3 3 GLN A 37 ARG A 55 1 19 HELIX 4 4 THR A 73 ASN A 84 1 12 HELIX 5 5 PRO A 101 LEU A 103 5 3 HELIX 6 6 GLU A 118 LEU A 128 1 11 HELIX 7 7 THR A 150 LEU A 167 1 18 HELIX 8 8 PRO A 181 GLN A 183 5 3 HELIX 9 9 LYS A 226 LYS A 241 1 16 HELIX 10 10 VAL A 243 ASN A 245 5 3 HELIX 11 11 TYR A 258 THR A 269 1 12 HELIX 12 12 THR A 279 LEU A 294 1 16 SHEET 1 A 7 ASN A 194 MET A 196 0 SHEET 2 A 7 MET A 208 ILE A 213 -1 N LEU A 211 O ASN A 194 SHEET 3 A 7 ALA A 171 TRP A 176 -1 N TRP A 176 O MET A 208 SHEET 4 A 7 ILE A 133 SER A 137 1 N LEU A 135 O ALA A 171 SHEET 5 A 7 THR A 63 ILE A 67 1 N THR A 63 O ILE A 134 SHEET 6 A 7 LYS A 90 ASP A 95 1 N LYS A 90 O VAL A 64 SHEET 7 A 7 VAL A 109 THR A 113 1 N THR A 110 O TRP A 91 SHEET 1 B 2 PHE A 188 PRO A 191 0 SHEET 2 B 2 LEU A 221 VAL A 224 -1 N VAL A 224 O PHE A 188 CISPEP 1 ALA A 70 PRO A 71 0 0.02 CISPEP 2 HIS A 129 PRO A 130 0 0.13 SITE 1 AC1 17 GLN A 39 LEU A 42 TYR A 66 GLY A 68 SITE 2 AC1 17 SER A 69 ALA A 70 PRO A 71 GLY A 72 SITE 3 AC1 17 HIS A 74 ASP A 95 ARG A 97 ARG A 114 SITE 4 AC1 17 PHE A 115 VAL A 116 ASP A 138 VAL A 139 SITE 5 AC1 17 ARG A 140 SITE 1 AC2 11 TYR A 22 ALA A 27 PRO A 148 ARG A 177 SITE 2 AC2 11 PHE A 180 ASP A 182 TYR A 204 GLU A 233 SITE 3 AC2 11 HOH A 592 HOH A 603 HOH A 624 CRYST1 84.600 67.300 79.600 90.00 117.30 90.00 C 1 2 1 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 0.011820 0.000000 0.006101 0.00000 SCALE2 0.000000 0.014859 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014137 0.00000