HEADER TRANSCRIPTIONAL REGULATOR 22-JUN-05 2BV6 TITLE CRYSTAL STRUCTURE OF MGRA, A GLOBAL REGULATOR AND MAJOR TITLE 2 VIRULENCE DETERMINANT IN STAPHYLOCOCCUS AUREUS COMPND MOL_ID: 1; COMPND 2 MOLECULE: HTH-TYPE TRANSCRIPTIONAL REGULATOR MGRA; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: RESIDUES 5-142; COMPND 5 SYNONYM: MGRA; COMPND 6 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 1280; SOURCE 4 STRAIN: NEWMAN; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 469008; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL21(DE3); SOURCE 8 EXPRESSION_SYSTEM_VECTOR: PET28A; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET28A KEYWDS TRANSCRIPTIONAL REGULATOR, MULTIDRUG RESISTANCE REGULATOR, KEYWDS 2 VIRULENCE DETERMINANT, TRANSCRIPTIONAL FACTORS EXPDTA X-RAY DIFFRACTION AUTHOR P.R.CHEN,T.BAE,W.A.WILLIAMS,E.M.DUGUID,P.A.RICE, AUTHOR 2 O.SCHNEEWIND,C.HE REVDAT 3 24-FEB-09 2BV6 1 VERSN REVDAT 2 20-DEC-06 2BV6 1 JRNL REVDAT 1 20-SEP-06 2BV6 0 JRNL AUTH P.R.CHEN,T.BAE,W.A.WILLIAMS,E.M.DUGUID,P.A.RICE, JRNL AUTH 2 O.SCHNEEWIND,C.HE JRNL TITL AN OXIDATION-SENSING MECHANISM IS USED BY THE JRNL TITL 2 GLOBAL REGULATOR MGRA IN STAPHYLOCOCCUS AUREUS. JRNL REF NAT.CHEM.BIOL. V. 2 591 2006 JRNL REFN ISSN 1552-4450 JRNL PMID 16980961 JRNL DOI 10.1038/NCHEMBIO820 REMARK 2 REMARK 2 RESOLUTION. 2.8 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNS 1.1 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 : MAXIMUM LIKELIHOOD REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.80 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 24.39 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.0 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 287948.87 REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 95.5 REMARK 3 NUMBER OF REFLECTIONS : 6560 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : RANDOM REMARK 3 R VALUE (WORKING SET) : 0.250 REMARK 3 FREE R VALUE : 0.292 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.1 REMARK 3 FREE R VALUE TEST SET COUNT : 337 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.016 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 6 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 2.80 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.98 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 87.0 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 926 REMARK 3 BIN R VALUE (WORKING SET) : 0.472 REMARK 3 BIN FREE R VALUE : 0.451 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.3 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 52 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.063 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1102 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 21 REMARK 3 SOLVENT ATOMS : 9 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 118.1 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 80.1 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 4.87 REMARK 3 B22 (A**2) : 4.87 REMARK 3 B33 (A**2) : -9.73 REMARK 3 B12 (A**2) : 12.88 REMARK 3 B13 (A**2) : 0.00 REMARK 3 B23 (A**2) : 0.00 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.47 REMARK 3 ESD FROM SIGMAA (A) : 0.60 REMARK 3 LOW RESOLUTION CUTOFF (A) : 5.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.49 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.61 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.008 REMARK 3 BOND ANGLES (DEGREES) : 1.4 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 20.0 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.04 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) : 2.08 ; 1.50 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.68 ; 2.00 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.30 ; 2.00 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 6.80 ; 2.50 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.31802 REMARK 3 BSOL : 42.404 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 : PROTEIN_REP.PARAM REMARK 3 PARAMETER FILE 2 : WATER_REP.PARAM REMARK 3 PARAMETER FILE 3 : ION.PARAM REMARK 3 PARAMETER FILE 4 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : ION.TOP REMARK 3 TOPOLOGY FILE 4 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 2BV6 COMPLIES WITH FORMAT V. 3.15, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBE ON 23-JUN-05. REMARK 100 THE PDBE ID CODE IS EBI-24584. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 03-APR-05 REMARK 200 TEMPERATURE (KELVIN) : 77.0 REMARK 200 PH : 6.60 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 14-ID-B REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5 REMARK 200 MONOCHROMATOR : SI 111 REMARK 200 OPTICS : BENT MIRROR REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 8544 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.800 REMARK 200 RESOLUTION RANGE LOW (A) : 24.500 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.0 REMARK 200 DATA REDUNDANCY : 19.300 REMARK 200 R MERGE (I) : 0.07000 REMARK 200 R SYM (I) : NULL REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.80 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.98 REMARK 200 COMPLETENESS FOR SHELL (%) : 98.0 REMARK 200 DATA REDUNDANCY IN SHELL : 10.00 REMARK 200 R MERGE FOR SHELL (I) : 0.95000 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: MAD REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MAD REMARK 200 SOFTWARE USED: SOLVE REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 70 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA):NULL REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM REMARK 280 1.6 M AMMONIUM SULFATE, 0.1M MES, PH 6.0, XTALS WERE RINSED REMARK 280 IN CRYOPROTECTANT SOLUTIONS CONSISTING OF RESERVOIR BUFFER REMARK 280 WITH AN ADDED 10%, 20% AND 25% GLYCEROL RESPECTIVELY. REMARK 280 SELENOMETHIONINE (SEMET)-CONTAINING PROTEIN WAS REMARK 280 CRYSTALLIZED UNDER THE SAME CONDITION. REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 61 2 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -Y,X-Y,Z+1/3 REMARK 290 3555 -X+Y,-X,Z+2/3 REMARK 290 4555 -X,-Y,Z+1/2 REMARK 290 5555 Y,-X+Y,Z+5/6 REMARK 290 6555 X-Y,X,Z+1/6 REMARK 290 7555 Y,X,-Z+1/3 REMARK 290 8555 X-Y,-Y,-Z REMARK 290 9555 -X,-X+Y,-Z+2/3 REMARK 290 10555 -Y,-X,-Z+5/6 REMARK 290 11555 -X+Y,Y,-Z+1/2 REMARK 290 12555 X,X-Y,-Z+1/6 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 20.76667 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 41.53333 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 31.15000 REMARK 290 SMTRY1 5 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 5 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 1.000000 51.91667 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 10.38333 REMARK 290 SMTRY1 7 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 7 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 20.76667 REMARK 290 SMTRY1 8 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 9 -0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 9 -0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 9 0.000000 0.000000 -1.000000 41.53333 REMARK 290 SMTRY1 10 0.500000 -0.866025 0.000000 0.00000 REMARK 290 SMTRY2 10 -0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 10 0.000000 0.000000 -1.000000 51.91667 REMARK 290 SMTRY1 11 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 11 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 11 0.000000 0.000000 -1.000000 31.15000 REMARK 290 SMTRY1 12 0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 12 0.866025 -0.500000 0.000000 0.00000 REMARK 290 SMTRY3 12 0.000000 0.000000 -1.000000 10.38333 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 GENERATING THE BIOMOLECULE 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PQS 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 GLY A 2 REMARK 465 SER A 3 REMARK 465 HIS A 4 REMARK 465 ASP A 142 REMARK 465 GLU A 143 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 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 -62.98 -135.71 REMARK 500 PHE A 31 -46.41 -29.85 REMARK 500 SER A 51 -79.26 -24.64 REMARK 500 ALA A 112 -63.13 -23.15 REMARK 500 SER A 113 -5.05 -54.74 REMARK 500 ALA A 140 -8.46 -50.81 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 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A1142 REMARK 999 REMARK 999 SEQUENCE REMARK 999 RESIDUES 5-143 OF THE 147 RESIDUE PROTEIN REMARK 999 WITH N-TERMINAL GLY SER HIS CLONING ARTIFACTS. DBREF 2BV6 A 2 5 PDB 2BV6 2BV6 2 5 DBREF 2BV6 A 6 143 UNP Q7X448 MGRA_STAAU 5 142 SEQRES 1 A 142 GLY SER HIS MSE ASN LEU LYS GLU GLN LEU CYS PHE SER SEQRES 2 A 142 LEU TYR ASN ALA GLN ARG GLN VAL ASN ARG TYR TYR SER SEQRES 3 A 142 ASN LYS VAL PHE LYS LYS TYR ASN LEU THR TYR PRO GLN SEQRES 4 A 142 PHE LEU VAL LEU THR ILE LEU TRP ASP GLU SER PRO VAL SEQRES 5 A 142 ASN VAL LYS LYS VAL VAL THR GLU LEU ALA LEU ASP THR SEQRES 6 A 142 GLY THR VAL SER PRO LEU LEU LYS ARG MSE GLU GLN VAL SEQRES 7 A 142 ASP LEU ILE LYS ARG GLU ARG SER GLU VAL ASP GLN ARG SEQRES 8 A 142 GLU VAL PHE ILE HIS LEU THR ASP LYS SER GLU THR ILE SEQRES 9 A 142 ARG PRO GLU LEU SER ASN ALA SER ASP LYS VAL ALA SER SEQRES 10 A 142 ALA SER SER LEU SER GLN ASP GLU VAL LYS GLU LEU ASN SEQRES 11 A 142 ARG LEU LEU GLY LYS VAL ILE HIS ALA PHE ASP GLU MODRES 2BV6 MSE A 5 MET SELENOMETHIONINE MODRES 2BV6 MSE A 76 MET SELENOMETHIONINE HET MSE A 5 8 HET MSE A 76 8 HET SO4 A1142 5 HETNAM MSE SELENOMETHIONINE HETNAM SO4 SULFATE ION FORMUL 1 MSE 2(C5 H11 N O2 SE) FORMUL 2 SO4 O4 S 2- FORMUL 3 HOH *9(H2 O1) HELIX 1 1 GLN A 10 VAL A 30 1 21 HELIX 2 2 VAL A 30 ASN A 35 1 6 HELIX 3 3 THR A 37 GLU A 50 1 14 HELIX 4 4 VAL A 55 LEU A 62 1 8 HELIX 5 5 THR A 68 VAL A 79 1 12 HELIX 6 6 THR A 99 SER A 110 1 12 HELIX 7 7 ASN A 111 SER A 120 1 10 HELIX 8 8 SER A 123 HIS A 139 1 17 SHEET 1 AA 3 PRO A 52 ASN A 54 0 SHEET 2 AA 3 VAL A 94 LEU A 98 -1 O ILE A 96 N VAL A 53 SHEET 3 AA 3 ILE A 82 ARG A 86 -1 O LYS A 83 N HIS A 97 LINK C MSE A 5 N ASN A 6 1555 1555 1.33 LINK C ARG A 75 N MSE A 76 1555 1555 1.33 LINK C MSE A 76 N GLU A 77 1555 1555 1.33 SITE 1 AC1 2 ARG A 84 ARG A 86 CRYST1 119.800 119.800 62.300 90.00 90.00 120.00 P 61 2 2 12 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 0.008347 0.004819 0.000000 0.00000 SCALE2 0.000000 0.009639 0.000000 0.00000 SCALE3 0.000000 0.000000 0.016051 0.00000 HETATM 1 N MSE A 5 81.775 -21.066 -1.557 1.00141.70 N HETATM 2 CA MSE A 5 82.647 -19.905 -1.882 1.00137.85 C HETATM 3 C MSE A 5 82.784 -19.018 -0.652 1.00134.21 C HETATM 4 O MSE A 5 82.184 -19.279 0.394 1.00133.23 O HETATM 5 CB MSE A 5 82.038 -19.088 -3.031 1.00141.07 C HETATM 6 CG MSE A 5 80.891 -18.145 -2.618 1.00150.75 C HETATM 7 SE MSE A 5 79.877 -17.379 -4.113 1.00167.14 SE HETATM 8 CE MSE A 5 81.345 -17.071 -5.347 1.00182.67 C