HEADER TRANSFERASE 18-SEP-09 3JWG TITLE CRYSTAL STRUCTURE ANALYSIS OF THE METHYLTRANSFERASE DOMAIN OF TITLE 2 BACTERIAL-CTHEN1-C COMPND MOL_ID: 1; COMPND 2 MOLECULE: METHYLTRANSFERASE TYPE 12; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: UNP RESIDUES 258- 465; COMPND 5 SYNONYM: HEN1; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: CLOSTRIDIUM THERMOCELLUM; SOURCE 3 ORGANISM_TAXID: 203119; SOURCE 4 STRAIN: ATCC 27405 / DSM 1237; SOURCE 5 GENE: CTHE_2767; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET28B KEYWDS METHYLTRANSFERASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR R.H.HUANG,C.M.CHAN,C.ZHOU,J.S.BRUNZELLE REVDAT 5 21-FEB-24 3JWG 1 REMARK SEQADV REVDAT 4 01-NOV-17 3JWG 1 REMARK REVDAT 3 10-NOV-09 3JWG 1 JRNL REVDAT 2 27-OCT-09 3JWG 1 REMARK REVDAT 1 20-OCT-09 3JWG 0 JRNL AUTH C.MUI CHAN,C.ZHOU,J.S.BRUNZELLE,R.H.HUANG JRNL TITL STRUCTURAL AND BIOCHEMICAL INSIGHTS INTO 2'-O-METHYLATION AT JRNL TITL 2 THE 3'-TERMINAL NUCLEOTIDE OF RNA BY HEN1. JRNL REF PROC.NATL.ACAD.SCI.USA V. 106 17699 2009 JRNL REFN ISSN 0027-8424 JRNL PMID 19822745 JRNL DOI 10.1073/PNAS.0907540106 REMARK 2 REMARK 2 RESOLUTION. 1.90 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.90 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 50.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 506.00 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 90.7 REMARK 3 NUMBER OF REFLECTIONS : 18366 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) : 0.218 REMARK 3 FREE R VALUE : 0.234 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 7.100 REMARK 3 FREE R VALUE TEST SET COUNT : 1446 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 : 1595 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 116 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 29.09 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.72000 REMARK 3 B22 (A**2) : 0.72000 REMARK 3 B33 (A**2) : -1.44000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 0.00000 REMARK 3 B23 (A**2) : 0.00000 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) : 0.005 REMARK 3 BOND ANGLES (DEGREES) : NULL 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) : 1.571 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.459 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 2.430 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.691 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 50.96 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 : CNS_TOPPAR:PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : CNS_TOPPAR:DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 3 : CNS_TOPPAR:WATER_REP.PARAM REMARK 3 PARAMETER FILE 4 : CNS_TOPPAR:ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : CNS_TOPPAR:PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : CNS_TOPPAR:DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : CNS_TOPPAR:WATER.TOP REMARK 3 TOPOLOGY FILE 4 : CNS_TOPPAR:ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3JWG COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 25-SEP-09. REMARK 100 THE DEPOSITION ID IS D_1000055245. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 20-DEC-08 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 7.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 21-ID-F REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9787 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 19161 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.900 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : NULL 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) : NULL REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : NULL REMARK 200 COMPLETENESS FOR SHELL (%) : NULL REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL 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: NULL REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.85 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.72 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 3350, PH 7.5, VAPOR DIFFUSION, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 32 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+2/3 REMARK 290 3555 -X+Y,-X,Z+1/3 REMARK 290 4555 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+1/3 REMARK 290 6555 -X,-X+Y,-Z+2/3 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 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 2 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 41.33000 REMARK 290 SMTRY1 3 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 3 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 20.66500 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 20.66500 REMARK 290 SMTRY1 6 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 6 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 41.33000 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA 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 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 LEU A 2 REMARK 465 LYS A 3 REMARK 465 ASN A 4 REMARK 465 GLU A 5 REMARK 465 GLU A 6 REMARK 465 THR A 7 REMARK 465 GLU A 8 REMARK 465 LYS A 9 REMARK 465 LYS A 10 REMARK 465 LEU A 11 REMARK 465 GLY A 150 REMARK 465 ASN A 151 REMARK 465 LEU A 152 REMARK 465 PHE A 153 REMARK 465 GLU A 154 REMARK 465 GLY A 212 REMARK 465 GLY A 213 REMARK 465 HIS A 214 REMARK 465 HIS A 215 REMARK 465 HIS A 216 REMARK 465 HIS A 217 REMARK 465 HIS A 218 REMARK 465 HIS A 219 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 O HOH A 305 O HOH A 305 5555 1.45 REMARK 500 O HOH A 253 O HOH A 253 6554 1.55 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 ASP A 76 9.57 -66.69 REMARK 500 VAL A 111 -60.61 -125.73 REMARK 500 ARG A 132 60.43 37.94 REMARK 500 ASP A 195 58.77 -99.79 REMARK 500 ASP A 196 -97.29 57.90 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 A 220 MG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLY A 37 O REMARK 620 2 ILE A 109 O 120.1 REMARK 620 3 HOH A 327 O 87.8 90.5 REMARK 620 N 1 2 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE MG A 220 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 3JWH RELATED DB: PDB REMARK 900 RELATED ID: 3JWI RELATED DB: PDB REMARK 900 RELATED ID: 3JWJ RELATED DB: PDB DBREF 3JWG A 2 209 UNP A3DJ37 A3DJ37_CLOTH 258 465 SEQADV 3JWG MET A 1 UNP A3DJ37 EXPRESSION TAG SEQADV 3JWG GLY A 150 UNP A3DJ37 GLN 406 CONFLICT SEQADV 3JWG GLN A 172 UNP A3DJ37 GLU 428 CONFLICT SEQADV 3JWG GLY A 210 UNP A3DJ37 EXPRESSION TAG SEQADV 3JWG ALA A 211 UNP A3DJ37 EXPRESSION TAG SEQADV 3JWG GLY A 212 UNP A3DJ37 EXPRESSION TAG SEQADV 3JWG GLY A 213 UNP A3DJ37 EXPRESSION TAG SEQADV 3JWG HIS A 214 UNP A3DJ37 EXPRESSION TAG SEQADV 3JWG HIS A 215 UNP A3DJ37 EXPRESSION TAG SEQADV 3JWG HIS A 216 UNP A3DJ37 EXPRESSION TAG SEQADV 3JWG HIS A 217 UNP A3DJ37 EXPRESSION TAG SEQADV 3JWG HIS A 218 UNP A3DJ37 EXPRESSION TAG SEQADV 3JWG HIS A 219 UNP A3DJ37 EXPRESSION TAG SEQRES 1 A 219 MET LEU LYS ASN GLU GLU THR GLU LYS LYS LEU ASN LEU SEQRES 2 A 219 ASN GLN GLN ARG LEU GLY THR VAL VAL ALA VAL LEU LYS SEQRES 3 A 219 SER VAL ASN ALA LYS LYS VAL ILE ASP LEU GLY CYS GLY SEQRES 4 A 219 GLU GLY ASN LEU LEU SER LEU LEU LEU LYS ASP LYS SER SEQRES 5 A 219 PHE GLU GLN ILE THR GLY VAL ASP VAL SER TYR SER VAL SEQRES 6 A 219 LEU GLU ARG ALA LYS ASP ARG LEU LYS ILE ASP ARG LEU SEQRES 7 A 219 PRO GLU MET GLN ARG LYS ARG ILE SER LEU PHE GLN SER SEQRES 8 A 219 SER LEU VAL TYR ARG ASP LYS ARG PHE SER GLY TYR ASP SEQRES 9 A 219 ALA ALA THR VAL ILE GLU VAL ILE GLU HIS LEU ASP GLU SEQRES 10 A 219 ASN ARG LEU GLN ALA PHE GLU LYS VAL LEU PHE GLU PHE SEQRES 11 A 219 THR ARG PRO GLN THR VAL ILE VAL SER THR PRO ASN LYS SEQRES 12 A 219 GLU TYR ASN PHE HIS TYR GLY ASN LEU PHE GLU GLY ASN SEQRES 13 A 219 LEU ARG HIS ARG ASP HIS ARG PHE GLU TRP THR ARG LYS SEQRES 14 A 219 GLU PHE GLN THR TRP ALA VAL LYS VAL ALA GLU LYS TYR SEQRES 15 A 219 GLY TYR SER VAL ARG PHE LEU GLN ILE GLY GLU ILE ASP SEQRES 16 A 219 ASP GLU PHE GLY SER PRO THR GLN MET GLY VAL PHE THR SEQRES 17 A 219 LEU GLY ALA GLY GLY HIS HIS HIS HIS HIS HIS HET MG A 220 1 HETNAM MG MAGNESIUM ION FORMUL 2 MG MG 2+ FORMUL 3 HOH *116(H2 O) HELIX 1 1 ASN A 12 VAL A 28 1 17 HELIX 2 2 GLY A 41 LYS A 49 1 9 HELIX 3 3 SER A 62 LYS A 74 1 13 HELIX 4 4 ILE A 75 LEU A 78 5 4 HELIX 5 5 PRO A 79 LYS A 84 1 6 HELIX 6 6 ASP A 97 SER A 101 5 5 HELIX 7 7 VAL A 111 LEU A 115 5 5 HELIX 8 8 ASP A 116 GLU A 129 1 14 HELIX 9 9 LYS A 143 HIS A 148 5 6 HELIX 10 10 LEU A 157 ASP A 161 5 5 HELIX 11 11 THR A 167 GLY A 183 1 17 SHEET 1 A 7 ILE A 86 GLN A 90 0 SHEET 2 A 7 GLN A 55 ASP A 60 1 N GLY A 58 O SER A 87 SHEET 3 A 7 LYS A 32 LEU A 36 1 N ASP A 35 O THR A 57 SHEET 4 A 7 ALA A 105 ILE A 109 1 O THR A 107 N LEU A 36 SHEET 5 A 7 THR A 135 PRO A 141 1 O SER A 139 N VAL A 108 SHEET 6 A 7 THR A 202 LEU A 209 -1 O PHE A 207 N VAL A 136 SHEET 7 A 7 TYR A 184 ILE A 191 -1 N ARG A 187 O VAL A 206 LINK O GLY A 37 MG MG A 220 1555 1555 2.30 LINK O ILE A 109 MG MG A 220 1555 1555 2.33 LINK MG MG A 220 O HOH A 327 1555 1555 2.41 SITE 1 AC1 5 GLY A 37 ILE A 109 HOH A 269 HOH A 327 SITE 2 AC1 5 HOH A 329 CRYST1 83.995 83.995 61.995 90.00 90.00 120.00 P 32 2 1 6 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 0.011905 0.006874 0.000000 0.00000 SCALE2 0.000000 0.013747 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016130 0.00000