PDB Short entry for 1B42 HEADER METHYLTRANSFERASE 05-JAN-99 1B42 TITLE VACCINIA METHYLTRANSFERASE VP39 COMPLEXED WITH M1ADE AND S- TITLE 2 ADENOSYLHOMOCYSTEINE 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: 10245; SOURCE 4 EXPRESSION_SYSTEM: ESCHERICHIA COLI BL21(DE3); SOURCE 5 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 6 EXPRESSION_SYSTEM_STRAIN: BL21 (DE3) KEYWDS METHYLATED ADENINE, METHYLTRANSFERASE, RNA CAP ANALOG, POLY KEYWDS 2 (A) POLYMERASE, VACCINIA, MRNA PROCESSING, TRANSCRIPTION, KEYWDS 3 COMPLEX (TRANSFERASE/RNA CAP ANALOG) EXPDTA X-RAY DIFFRACTION AUTHOR G.HU,A.E.HODEL,P.D.GERSHON,F.A.QUIOCHO REVDAT 4 24-FEB-09 1B42 1 VERSN REVDAT 3 01-APR-03 1B42 1 JRNL REVDAT 2 27-OCT-00 1B42 1 JRNL REVDAT 1 22-JUL-99 1B42 0 JRNL AUTH G.HU,P.D.GERSHON,A.E.HODEL,F.A.QUIOCHO JRNL TITL MRNA CAP RECOGNITION: DOMINANT ROLE OF ENHANCED JRNL TITL 2 STACKING INTERACTIONS BETWEEN METHYLATED BASES AND JRNL TITL 3 PROTEIN AROMATIC SIDE CHAINS. JRNL REF PROC.NATL.ACAD.SCI.USA V. 96 7149 1999 JRNL REFN ISSN 0027-8424 JRNL PMID 10377383 JRNL DOI 10.1073/PNAS.96.13.7149 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 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) (%) : 77.7 REMARK 3 NUMBER OF REFLECTIONS : 15892 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE-R REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.206 REMARK 3 FREE R VALUE : 0.256 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.000 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 : 2394 REMARK 3 NUCLEIC ACID ATOMS : NULL REMARK 3 HETEROGEN ATOMS : 37 REMARK 3 SOLVENT ATOMS : 0 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 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) : 0.011 REMARK 3 BOND ANGLES (DEGREES) : 1.65 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL 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) : NULL ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : NULL ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : NULL ; 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 : PARAM19X.PRO REMARK 3 PARAMETER FILE 2 : NULL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 TOPOLOGY FILE 2 : NULL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1B42 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 10-SEP-98 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 : GOBEL MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : SIEMENS REMARK 200 INTENSITY-INTEGRATION SOFTWARE : SMART REMARK 200 DATA SCALING SOFTWARE : SAINT REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 15892 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 99.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 77.7 REMARK 200 DATA REDUNDANCY : 2.100 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.05500 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.28 REMARK 200 COMPLETENESS FOR SHELL (%) : 44.0 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.13300 REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: OTHER REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 56.00 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.77 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 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 42.45350 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 33.49850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 42.45350 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 33.49850 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 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 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 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 601 O HOH A 713 1.65 REMARK 500 CB PRO A 24 O HOH A 710 1.78 REMARK 500 CG PRO A 24 O HOH A 710 2.04 REMARK 500 O HOH A 694 O HOH A 748 2.11 REMARK 500 CD PRO A 24 O HOH A 710 2.13 REMARK 500 NH2 ARG A 55 O HOH A 734 2.16 REMARK 500 O MET A 1 O HOH A 738 2.17 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 CD2 LEU A 111 O HOH A 763 4546 1.28 REMARK 500 CB LYS A 8 O HOH A 757 4556 1.30 REMARK 500 CG MET A 1 O HOH A 746 4556 1.30 REMARK 500 CA LYS A 8 O HOH A 757 4556 1.38 REMARK 500 CB SER A 5 O HOH A 744 4556 1.41 REMARK 500 CG LEU A 111 O HOH A 763 4546 1.57 REMARK 500 CG2 VAL A 249 O HOH A 687 4556 1.57 REMARK 500 N3 SAH A 400 O HOH A 764 4546 1.62 REMARK 500 N LYS A 8 O HOH A 757 4556 1.63 REMARK 500 C2 SAH A 400 O HOH A 764 4546 1.78 REMARK 500 CB MET A 1 O HOH A 746 4556 1.85 REMARK 500 O HOH A 617 O HOH A 742 2556 1.89 REMARK 500 CG LYS A 8 O HOH A 757 4556 2.03 REMARK 500 OG SER A 5 O HOH A 744 4556 2.03 REMARK 500 CB HIS A 98 O HOH A 724 4546 2.06 REMARK 500 C ASP A 7 O HOH A 757 4556 2.12 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 VAL A 30 115.53 -37.02 REMARK 500 ILE A 242 -67.50 -96.94 REMARK 500 ASN A 295 32.94 70.04 REMARK 500 REMARK 500 REMARK: NULL REMARK 525 REMARK 525 SOLVENT REMARK 525 REMARK 525 THE SOLVENT MOLECULES HAVE CHAIN IDENTIFIERS THAT REMARK 525 INDICATE THE POLYMER CHAIN WITH WHICH THEY ARE MOST REMARK 525 CLOSELY ASSOCIATED. THE REMARK LISTS ALL THE SOLVENT REMARK 525 MOLECULES WHICH ARE MORE THAN 5A AWAY FROM THE REMARK 525 NEAREST POLYMER CHAIN (M = MODEL NUMBER; REMARK 525 RES=RESIDUE NAME; C=CHAIN IDENTIFIER; SSEQ=SEQUENCE REMARK 525 NUMBER; I=INSERTION CODE): REMARK 525 REMARK 525 M RES CSSEQI REMARK 525 HOH A 627 DISTANCE = 8.78 ANGSTROMS REMARK 525 HOH A 642 DISTANCE = 8.60 ANGSTROMS REMARK 525 HOH A 650 DISTANCE = 8.58 ANGSTROMS REMARK 525 HOH A 653 DISTANCE = 6.77 ANGSTROMS REMARK 525 HOH A 661 DISTANCE = 6.30 ANGSTROMS REMARK 525 HOH A 668 DISTANCE = 9.56 ANGSTROMS REMARK 525 HOH A 672 DISTANCE = 6.26 ANGSTROMS REMARK 525 HOH A 684 DISTANCE = 9.13 ANGSTROMS REMARK 525 HOH A 685 DISTANCE = 9.70 ANGSTROMS REMARK 525 HOH A 699 DISTANCE = 13.16 ANGSTROMS REMARK 525 HOH A 700 DISTANCE = 10.95 ANGSTROMS REMARK 525 HOH A 702 DISTANCE = 7.83 ANGSTROMS REMARK 525 HOH A 703 DISTANCE = 8.14 ANGSTROMS REMARK 525 HOH A 704 DISTANCE = 5.37 ANGSTROMS REMARK 525 HOH A 721 DISTANCE = 11.37 ANGSTROMS REMARK 525 HOH A 725 DISTANCE = 14.58 ANGSTROMS REMARK 525 HOH A 731 DISTANCE = 6.11 ANGSTROMS REMARK 525 HOH A 736 DISTANCE = 13.18 ANGSTROMS REMARK 525 HOH A 757 DISTANCE = 7.72 ANGSTROMS REMARK 525 HOH A 763 DISTANCE = 12.97 ANGSTROMS REMARK 525 HOH A 764 DISTANCE = 11.71 ANGSTROMS REMARK 525 HOH A 767 DISTANCE = 7.46 ANGSTROMS REMARK 525 HOH A 768 DISTANCE = 11.20 ANGSTROMS REMARK 525 HOH A 771 DISTANCE = 24.45 ANGSTROMS REMARK 525 HOH A 774 DISTANCE = 8.85 ANGSTROMS 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 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE M1A A 600 DBREF 1B42 A 1 297 UNP P07617 PAP2_VACCV 1 297 SEQRES 1 A 297 MET ASP VAL VAL SER LEU ASP LYS PRO PHE MET TYR PHE SEQRES 2 A 297 GLU GLU ILE ASP ASN GLU LEU ASP TYR GLU PRO GLU SER SEQRES 3 A 297 ALA ASN GLU VAL ALA LYS LYS LEU PRO TYR GLN GLY GLN SEQRES 4 A 297 LEU LYS LEU LEU LEU GLY GLU LEU PHE PHE LEU SER LYS SEQRES 5 A 297 LEU GLN ARG HIS GLY ILE LEU ASP GLY ALA THR VAL VAL SEQRES 6 A 297 TYR ILE GLY SER ALA PRO GLY THR HIS ILE ARG TYR LEU SEQRES 7 A 297 ARG ASP HIS PHE TYR ASN LEU GLY VAL ILE ILE LYS TRP SEQRES 8 A 297 MET LEU ILE ASP GLY ARG HIS HIS ASP PRO ILE LEU ASN SEQRES 9 A 297 GLY LEU ARG ASP VAL THR LEU VAL THR ARG PHE VAL ASP SEQRES 10 A 297 GLU GLU TYR LEU ARG SER ILE LYS LYS GLN LEU HIS PRO SEQRES 11 A 297 SER LYS ILE ILE LEU ILE SER ASP VAL ARG SER LYS ARG SEQRES 12 A 297 GLY GLY ASN GLU PRO SER THR ALA ASP LEU LEU SER ASN SEQRES 13 A 297 TYR ALA LEU GLN ASN VAL MET ILE SER ILE LEU ASN PRO SEQRES 14 A 297 VAL ALA SER SER LEU LYS TRP ARG CYS PRO PHE PRO ASP SEQRES 15 A 297 GLN TRP ILE LYS ASP PHE TYR ILE PRO HIS GLY ASN LYS SEQRES 16 A 297 MET LEU GLN PRO PHE ALA PRO SER TYR SER ALA GLU MET SEQRES 17 A 297 ARG LEU LEU SER ILE TYR THR GLY GLU ASN MET ARG LEU SEQRES 18 A 297 THR ARG VAL THR LYS SER ASP ALA VAL ASN TYR GLU LYS SEQRES 19 A 297 LYS MET TYR TYR LEU ASN LYS ILE VAL ARG ASN LYS VAL SEQRES 20 A 297 VAL VAL ASN PHE ASP TYR PRO ASN GLN GLU TYR ASP TYR SEQRES 21 A 297 PHE HIS MET TYR PHE MET LEU ARG THR VAL TYR CYS ASN SEQRES 22 A 297 LYS THR PHE PRO THR THR LYS ALA LYS VAL LEU PHE LEU SEQRES 23 A 297 GLN GLN SER ILE PHE ARG PHE LEU ASN ILE PRO HET SAH A 400 30 HET M1A A 600 11 HETNAM SAH S-ADENOSYL-L-HOMOCYSTEINE HETNAM M1A 6-AMINO-1-METHYLPURINE FORMUL 2 SAH C14 H20 N6 O5 S FORMUL 3 M1A C6 H8 N5 1+ FORMUL 4 HOH *175(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 HIS A 56 1 20 HELIX 4 4 THR A 73 LEU A 85 1 13 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 LYS A 226 LYS A 241 1 16 HELIX 9 9 VAL A 243 ASN A 245 5 3 HELIX 10 10 TYR A 258 THR A 269 1 12 HELIX 11 11 THR A 279 PHE A 293 1 15 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 ALA A 62 ILE A 67 1 N THR A 63 O ILE A 134 SHEET 6 A 7 ILE A 89 ASP A 95 1 N LYS A 90 O ALA A 62 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 0.14 CISPEP 2 HIS A 129 PRO A 130 0 1.13 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 PHE A 115 SITE 4 AC1 17 VAL A 116 ASP A 138 VAL A 139 ARG A 140 SITE 5 AC1 17 HOH A 764 SITE 1 AC2 4 PHE A 180 TYR A 204 GLU A 233 HOH A 711 CRYST1 84.907 66.997 79.741 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 0.011778 0.000000 0.006079 0.00000 SCALE2 0.000000 0.014926 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014112 0.00000