HEADER TRANSFERASE 24-DEC-20 7DQR TITLE CRYSTAL STRUCTURE OF SULFURISPHAERA TOKODAII METHYLATED O6- TITLE 2 METHYLGUANINE METHYLTRANSFERASE 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 SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SULFURISPHAERA TOKODAII (STRAIN DSM 16993 / JCM SOURCE 3 10545 / NBRC 100140 / 7); SOURCE 4 ORGANISM_TAXID: 273063; SOURCE 5 STRAIN: DSM 16993 / JCM 10545 / NBRC 100140 / 7; SOURCE 6 GENE: OGT, STK_09670; SOURCE 7 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 8 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS METHYLTRANSFERASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR M.KIKUCHI,T.YAMAUCHI,Y.IIZUKA,M.TSONODA REVDAT 2 29-NOV-23 7DQR 1 REMARK REVDAT 1 15-DEC-21 7DQR 0 JRNL AUTH M.KIKUCHI,T.YAMAUCHI,Y.IIZUKA,M.TSONODA JRNL TITL ROLES OF THE HYDROXY GROUP OF TYROSINE IN CRYSTAL STRUCTURES JRNL TITL 2 OF SULFURISPHAERA TOKODAII O6-METHYLGUANINE-DNA JRNL TITL 3 METHYLTRANSFERASE. JRNL REF ACTA CRYSTALLOGR.,SECT.F V. 77 444 2021 JRNL REFN ESSN 2053-230X JRNL DOI 10.1107/S2053230X21011055 REMARK 2 REMARK 2 RESOLUTION. 1.74 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : REFMAC 5.8.0267 REMARK 3 AUTHORS : MURSHUDOV,SKUBAK,LEBEDEV,PANNU,STEINER, REMARK 3 : NICHOLLS,WINN,LONG,VAGIN REMARK 3 REMARK 3 REFINEMENT TARGET : NULL REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.74 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 39.99 REMARK 3 DATA CUTOFF (SIGMA(F)) : NULL REMARK 3 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 16613 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : FREE R-VALUE REMARK 3 FREE R VALUE TEST SET SELECTION : NULL REMARK 3 R VALUE (WORKING + TEST SET) : NULL REMARK 3 R VALUE (WORKING SET) : 0.189 REMARK 3 FREE R VALUE : 0.226 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.375 REMARK 3 FREE R VALUE TEST SET COUNT : 893 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 20 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 1.74 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.79 REMARK 3 REFLECTION IN BIN (WORKING SET) : 1136 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 100.0 REMARK 3 BIN R VALUE (WORKING SET) : 0.1900 REMARK 3 BIN FREE R VALUE SET COUNT : 61 REMARK 3 BIN FREE R VALUE : 0.2400 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1215 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 100 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.15 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00200 REMARK 3 B22 (A**2) : 0.00200 REMARK 3 B33 (A**2) : -0.00400 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 OVERALL COORDINATE ERROR. REMARK 3 ESU BASED ON R VALUE (A): 0.119 REMARK 3 ESU BASED ON FREE R VALUE (A): 0.116 REMARK 3 ESU BASED ON MAXIMUM LIKELIHOOD (A): 0.068 REMARK 3 ESU FOR B VALUES BASED ON MAXIMUM LIKELIHOOD (A**2): 2.022 REMARK 3 REMARK 3 CORRELATION COEFFICIENTS. REMARK 3 CORRELATION COEFFICIENT FO-FC : 0.955 REMARK 3 CORRELATION COEFFICIENT FO-FC FREE : 0.934 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES COUNT RMS WEIGHT REMARK 3 BOND LENGTHS REFINED ATOMS (A): 1255 ; 0.013 ; 0.013 REMARK 3 BOND LENGTHS OTHERS (A): 1223 ; 0.001 ; 0.017 REMARK 3 BOND ANGLES REFINED ATOMS (DEGREES): 1693 ; 1.866 ; 1.648 REMARK 3 BOND ANGLES OTHERS (DEGREES): 2823 ; 1.475 ; 1.588 REMARK 3 TORSION ANGLES, PERIOD 1 (DEGREES): 153 ; 6.363 ; 5.000 REMARK 3 TORSION ANGLES, PERIOD 2 (DEGREES): 65 ;27.776 ;21.385 REMARK 3 TORSION ANGLES, PERIOD 3 (DEGREES): 231 ;14.112 ;15.000 REMARK 3 TORSION ANGLES, PERIOD 4 (DEGREES): 9 ;17.255 ;15.000 REMARK 3 CHIRAL-CENTER RESTRAINTS (A**3): 155 ; 0.089 ; 0.200 REMARK 3 GENERAL PLANES REFINED ATOMS (A): 1377 ; 0.011 ; 0.020 REMARK 3 GENERAL PLANES OTHERS (A): 293 ; 0.001 ; 0.020 REMARK 3 NON-BONDED CONTACTS REFINED ATOMS (A): 228 ; 0.215 ; 0.200 REMARK 3 NON-BONDED CONTACTS OTHERS (A): 46 ; 0.242 ; 0.200 REMARK 3 NON-BONDED TORSION REFINED ATOMS (A): 639 ; 0.184 ; 0.200 REMARK 3 NON-BONDED TORSION OTHERS (A): NULL ; NULL ; NULL REMARK 3 H-BOND (X...Y) REFINED ATOMS (A): 58 ; 0.119 ; 0.200 REMARK 3 H-BOND (X...Y) OTHERS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 POTENTIAL METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY VDW OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY H-BOND OTHERS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION REFINED ATOMS (A): NULL ; NULL ; NULL REMARK 3 SYMMETRY METAL-ION OTHERS (A): NULL ; NULL ; NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 MAIN-CHAIN BOND REFINED ATOMS (A**2): 603 ; 1.979 ; 2.033 REMARK 3 MAIN-CHAIN BOND OTHER ATOMS (A**2): 602 ; 1.975 ; 2.028 REMARK 3 MAIN-CHAIN ANGLE REFINED ATOMS (A**2): 753 ; 2.640 ; 3.041 REMARK 3 MAIN-CHAIN ANGLE OTHER ATOMS (A**2): 754 ; 2.638 ; 3.045 REMARK 3 SIDE-CHAIN BOND REFINED ATOMS (A**2): 652 ; 3.260 ; 2.442 REMARK 3 SIDE-CHAIN BOND OTHER ATOMS (A**2): 649 ; 3.237 ; 2.435 REMARK 3 SIDE-CHAIN ANGLE REFINED ATOMS (A**2): 938 ; 4.925 ; 3.499 REMARK 3 SIDE-CHAIN ANGLE OTHER ATOMS (A**2): 933 ; 4.894 ; 3.487 REMARK 3 LONG RANGE B REFINED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 LONG RANGE B OTHER ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 ANISOTROPIC THERMAL FACTOR RESTRAINTS. COUNT RMS WEIGHT REMARK 3 RIGID-BOND RESTRAINTS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; FREE ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 SPHERICITY; BONDED ATOMS (A**2): NULL ; NULL ; NULL REMARK 3 REMARK 3 NCS RESTRAINTS STATISTICS REMARK 3 NUMBER OF DIFFERENT NCS GROUPS : NULL REMARK 3 REMARK 3 TLS DETAILS REMARK 3 NUMBER OF TLS GROUPS : NULL REMARK 3 REMARK 3 BULK SOLVENT MODELLING. REMARK 3 METHOD USED : MASK BULK SOLVENT REMARK 3 PARAMETERS FOR MASK CALCULATION REMARK 3 VDW PROBE RADIUS : 1.20 REMARK 3 ION PROBE RADIUS : 0.80 REMARK 3 SHRINKAGE RADIUS : 0.80 REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: HYDROGENS HAVE BEEN ADDED IN THEIR REMARK 3 RIDING POSITIONS REMARK 4 REMARK 4 7DQR COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 25-DEC-20. REMARK 100 THE DEPOSITION ID IS D_1300019545. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 16-JUN-18 REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : PHOTON FACTORY REMARK 200 BEAMLINE : BL-1A REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.1 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : PIXEL REMARK 200 DETECTOR MANUFACTURER : DECTRIS EIGER X 4M REMARK 200 INTENSITY-INTEGRATION SOFTWARE : XDS REMARK 200 DATA SCALING SOFTWARE : AIMLESS 0.7.4 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 16659 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.740 REMARK 200 RESOLUTION RANGE LOW (A) : 48.210 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.9 REMARK 200 DATA REDUNDANCY : 6.500 REMARK 200 R MERGE (I) : 0.03100 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : 34.8000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.74 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.77 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 6.90 REMARK 200 R MERGE FOR SHELL (I) : 0.14200 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 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: MOLREP REMARK 200 STARTING MODEL: 1WRJ REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.03 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.16 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 0.2 M AMMONIUM SULFATE, 0.1 M TRIS PH REMARK 280 8.5, 25% W/V POLYETHYLENE GLYCOL 3,350, VAPOR DIFFUSION, HANGING REMARK 280 DROP, TEMPERATURE 293K 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 24.10300 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 30.88750 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 26.23600 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 30.88750 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 24.10300 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 26.23600 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: MONOMERIC REMARK 350 SOFTWARE DETERMINED QUATERNARY STRUCTURE: MONOMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 130 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 8030 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -9.0 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 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 ALA A 151 REMARK 465 LYS A 152 REMARK 465 PHE A 153 REMARK 465 ILE A 154 REMARK 465 GLU A 155 REMARK 465 LYS A 156 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 ARG A 82 NE - CZ - NH2 ANGL. DEV. = -3.1 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 ASN A 19 -169.32 -119.07 REMARK 500 VAL A 114 77.55 -118.89 REMARK 500 LEU A 116 -56.33 68.46 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 400 DISTANCE = 7.20 ANGSTROMS DBREF 7DQR A 1 156 UNP Q973C7 OGT_SULTO 1 156 SEQRES 1 A 156 MET ILE VAL TYR GLY LEU TYR LYS SER PRO PHE GLY PRO SEQRES 2 A 156 ILE THR VAL ALA LYS ASN GLU LYS GLY PHE VAL MET LEU SEQRES 3 A 156 ASP PHE CYS ASP CYS ALA GLU ARG SER SER LEU ASP ASN SEQRES 4 A 156 ASP TYR PHE THR ASP PHE PHE TYR LYS LEU ASP LEU TYR SEQRES 5 A 156 PHE GLU GLY LYS LYS VAL ASP LEU THR GLU PRO VAL ASP SEQRES 6 A 156 PHE LYS PRO PHE ASN GLU PHE ARG ILE ARG VAL PHE LYS SEQRES 7 A 156 GLU VAL MET ARG ILE LYS TRP GLY GLU VAL ARG THR TYR SEQRES 8 A 156 LYS GLN VAL ALA ASP ALA VAL LYS THR SER PRO ARG ALA SEQRES 9 A 156 VAL GLY THR ALA LEU SER LYS ASN ASN VAL LEU LEU ILE SEQRES 10 A 156 ILE PRO SMC HIS ARG VAL ILE GLY GLU LYS SER LEU GLY SEQRES 11 A 156 GLY TYR SER ARG GLY VAL GLU LEU LYS ARG LYS LEU LEU SEQRES 12 A 156 GLU LEU GLU GLY ILE ASP VAL ALA LYS PHE ILE GLU LYS MODRES 7DQR SMC A 120 CYS MODIFIED RESIDUE HET SMC A 120 7 HET SO4 A 201 5 HETNAM SMC S-METHYLCYSTEINE HETNAM SO4 SULFATE ION FORMUL 1 SMC C4 H9 N O2 S FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *100(H2 O) HELIX 1 AA1 GLU A 33 LEU A 37 5 5 HELIX 2 AA2 ASP A 38 TYR A 41 5 4 HELIX 3 AA3 PHE A 42 GLU A 54 1 13 HELIX 4 AA4 ASN A 70 ARG A 82 1 13 HELIX 5 AA5 TYR A 91 LYS A 99 1 9 HELIX 6 AA6 SER A 101 LYS A 111 1 11 HELIX 7 AA7 PRO A 119 HIS A 121 5 3 HELIX 8 AA8 GLY A 135 GLU A 146 1 12 SHEET 1 AA1 3 VAL A 3 SER A 9 0 SHEET 2 AA1 3 GLY A 12 LYS A 18 -1 O VAL A 16 N GLY A 5 SHEET 3 AA1 3 PHE A 23 ASP A 27 -1 O ASP A 27 N THR A 15 SHEET 1 AA2 2 ARG A 89 THR A 90 0 SHEET 2 AA2 2 VAL A 123 ILE A 124 1 O ILE A 124 N ARG A 89 SSBOND 1 CYS A 29 CYS A 31 1555 1555 2.03 LINK C PRO A 119 N SMC A 120 1555 1555 1.32 LINK C SMC A 120 N HIS A 121 1555 1555 1.35 CRYST1 48.206 52.472 61.775 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 0.020744 0.000000 0.000000 0.00000 SCALE2 0.000000 0.019058 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016188 0.00000