PDB Short entry for 3ECO HEADER TRANSCRIPTION 01-SEP-08 3ECO TITLE CRYSTAL STRUCTURE OF MEPR, A TRANSCRIPTION REGULATOR OF THE TITLE 2 STAPHYLOCOCCUS AUREUS MULTIDRUG EFFLUX PUMP MEPA COMPND MOL_ID: 1; COMPND 2 MOLECULE: MEPR; COMPND 3 CHAIN: A, B; COMPND 4 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: STAPHYLOCOCCUS AUREUS; SOURCE 3 ORGANISM_TAXID: 158878; SOURCE 4 STRAIN: MU50; SOURCE 5 GENE: SAV0333; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_STRAIN: BL21 STAR DE3; SOURCE 9 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PET101/D-TOPO KEYWDS MUTLIDRUG EFFLUX PUMP REGULATOR WINGED HELIX-TURN-HELIX KEYWDS 2 MOTIF, DNA-BINDING, TRANSCRIPTION, TRANSCRIPTION REGULATION EXPDTA X-RAY DIFFRACTION AUTHOR R.G.BRENNAN,M.KUMARASWAMI REVDAT 3 02-JUN-09 3ECO 1 JRNL REVDAT 2 26-MAY-09 3ECO 1 REMARK REVDAT 1 10-FEB-09 3ECO 0 JRNL AUTH M.KUMARASWAMI,J.T.SCHUMAN,S.M.SEO,G.W.KAATZ, JRNL AUTH 2 R.G.BRENNAN JRNL TITL STRUCTURAL AND BIOCHEMICAL CHARACTERIZATION OF JRNL TITL 2 MEPR, A MULTIDRUG BINDING TRANSCRIPTION REGULATOR JRNL TITL 3 OF THE STAPHYLOCOCCUS AUREUS MULTIDRUG EFFLUX PUMP JRNL TITL 4 MEPA. JRNL REF NUCLEIC ACIDS RES. V. 37 1211 2009 JRNL REFN ISSN 0305-1048 JRNL PMID 19129225 JRNL DOI 10.1093/NAR/GKN1046 REMARK 1 REMARK 2 REMARK 2 RESOLUTION. 2.40 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.40 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 47.89 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 99.7 REMARK 3 NUMBER OF REFLECTIONS : 14108 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) : 0.242 REMARK 3 FREE R VALUE : 0.289 REMARK 3 FREE R VALUE TEST SET SIZE (%) : NULL REMARK 3 FREE R VALUE TEST SET COUNT : 1393 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 : 2126 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 5 REMARK 3 SOLVENT ATOMS : 196 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 16.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 1.00 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 6.72000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 REMARK 3 B12 (A**2) : -4.11000 REMARK 3 B13 (A**2) : -2.61000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.31 REMARK 3 ESD FROM SIGMAA (A) : 0.23 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) : 0.41 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.31 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.00 REMARK 3 DIHEDRAL ANGLES (DEGREES) : NULL REMARK 3 IMPROPER ANGLES (DEGREES) : NULL REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : ISOTROPIC 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : NULL REMARK 3 KSOL : NULL REMARK 3 BSOL : 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 : NULL REMARK 3 TOPOLOGY FILE 1 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3ECO COMPLIES WITH FORMAT V. 3.20, 01-DEC-08 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 09-SEP-08. REMARK 100 THE RCSB ID CODE IS RCSB049156. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL; NULL REMARK 200 TEMPERATURE (KELVIN) : 100; NULL REMARK 200 PH : NULL REMARK 200 NUMBER OF CRYSTALS USED : 2 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y; Y REMARK 200 RADIATION SOURCE : ALS; ALS REMARK 200 BEAMLINE : 8.3.1; 8.3.1 REMARK 200 X-RAY GENERATOR MODEL : NULL; NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M; M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9797 0.9798 1.02; 1.116 REMARK 200 MONOCHROMATOR : NULL; NULL REMARK 200 OPTICS : NULL; NULL REMARK 200 REMARK 200 DETECTOR TYPE : NULL; NULL REMARK 200 DETECTOR MANUFACTURER : NULL; NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : MOSFLM REMARK 200 DATA SCALING SOFTWARE : SCALA REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14174 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.400 REMARK 200 RESOLUTION RANGE LOW (A) : 500.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 99.8 REMARK 200 DATA REDUNDANCY : 3.900 REMARK 200 R MERGE (I) : 0.04600 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 25.6000 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: MAD; SINGLE WAVELENGTH 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 (%): 53.53 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.65 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 15% PEG 4000, 0.2 M MAGNESIUM REMARK 280 SULFATE,10% GLYCEROL, NDSB-256, VAPOR DIFFUSION, HANGING DROP, REMARK 280 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 16.09800 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 55.14150 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 48.28700 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 55.14150 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 16.09800 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 48.28700 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 SOFTWARE DETERMINED QUATERNARY STRUCTURE: DIMERIC REMARK 350 SOFTWARE USED: PISA REMARK 350 TOTAL BURIED SURFACE AREA: 3600 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 15450 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -47.0 KCAL/MOL REMARK 350 APPLY THE FOLLOWING TO CHAINS: A, B 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 GLU A 2 REMARK 465 ASP A 85 REMARK 465 THR A 86 REMARK 465 MET B 1 REMARK 465 GLU B 2 REMARK 465 PHE B 3 REMARK 465 ASP B 82 REMARK 465 ALA B 83 REMARK 465 GLN B 84 REMARK 465 ASP B 85 REMARK 465 THR B 86 REMARK 465 ARG B 87 REMARK 465 ARG B 88 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 PHE A 3 CG CD1 CD2 CE1 CE2 CZ REMARK 470 ASP A 82 CG OD1 OD2 REMARK 470 ARG A 87 CG CD NE CZ NH1 NH2 REMARK 470 ARG A 88 CG CD NE CZ NH1 NH2 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 HIS A 43 36.51 -140.63 REMARK 500 SER A 117 5.06 -65.40 REMARK 500 GLN B 45 -35.08 -29.24 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 B 167 DISTANCE = 5.03 ANGSTROMS REMARK 525 HOH A 152 DISTANCE = 6.63 ANGSTROMS REMARK 525 HOH A 157 DISTANCE = 5.47 ANGSTROMS REMARK 525 HOH A 158 DISTANCE = 5.82 ANGSTROMS REMARK 525 HOH B 179 DISTANCE = 5.55 ANGSTROMS REMARK 525 HOH B 180 DISTANCE = 6.45 ANGSTROMS REMARK 525 HOH B 183 DISTANCE = 5.33 ANGSTROMS REMARK 525 HOH A 164 DISTANCE = 6.29 ANGSTROMS REMARK 525 HOH A 173 DISTANCE = 5.39 ANGSTROMS REMARK 525 HOH B 198 DISTANCE = 5.20 ANGSTROMS REMARK 525 HOH A 187 DISTANCE = 8.52 ANGSTROMS REMARK 525 HOH A 188 DISTANCE = 6.12 ANGSTROMS REMARK 525 HOH A 189 DISTANCE = 5.25 ANGSTROMS REMARK 525 HOH A 197 DISTANCE = 6.10 ANGSTROMS REMARK 525 HOH B 228 DISTANCE = 7.88 ANGSTROMS REMARK 525 HOH B 245 DISTANCE = 7.38 ANGSTROMS REMARK 525 HOH A 226 DISTANCE = 7.55 ANGSTROMS REMARK 525 HOH A 229 DISTANCE = 5.55 ANGSTROMS REMARK 525 HOH B 253 DISTANCE = 5.45 ANGSTROMS REMARK 525 HOH B 257 DISTANCE = 7.11 ANGSTROMS REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 B 140 DBREF 3ECO A 1 139 UNP Q99WP3 Q99WP3_STAAM 1 139 DBREF 3ECO B 1 139 UNP Q99WP3 Q99WP3_STAAM 1 139 SEQRES 1 A 139 MET GLU PHE THR TYR SER TYR LEU PHE ARG MET ILE SER SEQRES 2 A 139 HIS GLU MET LYS GLN LYS ALA ASP GLN LYS LEU GLU GLN SEQRES 3 A 139 PHE ASP ILE THR ASN GLU GLN GLY HIS THR LEU GLY TYR SEQRES 4 A 139 LEU TYR ALA HIS GLN GLN ASP GLY LEU THR GLN ASN ASP SEQRES 5 A 139 ILE ALA LYS ALA LEU GLN ARG THR GLY PRO THR VAL SER SEQRES 6 A 139 ASN LEU LEU ARG ASN LEU GLU ARG LYS LYS LEU ILE TYR SEQRES 7 A 139 ARG TYR VAL ASP ALA GLN ASP THR ARG ARG LYS ASN ILE SEQRES 8 A 139 GLY LEU THR THR SER GLY ILE LYS LEU VAL GLU ALA PHE SEQRES 9 A 139 THR SER ILE PHE ASP GLU MET GLU GLN THR LEU VAL SER SEQRES 10 A 139 GLN LEU SER GLU GLU GLU ASN GLU GLN MET LYS ALA ASN SEQRES 11 A 139 LEU THR LYS MET LEU SER SER LEU GLN SEQRES 1 B 139 MET GLU PHE THR TYR SER TYR LEU PHE ARG MET ILE SER SEQRES 2 B 139 HIS GLU MET LYS GLN LYS ALA ASP GLN LYS LEU GLU GLN SEQRES 3 B 139 PHE ASP ILE THR ASN GLU GLN GLY HIS THR LEU GLY TYR SEQRES 4 B 139 LEU TYR ALA HIS GLN GLN ASP GLY LEU THR GLN ASN ASP SEQRES 5 B 139 ILE ALA LYS ALA LEU GLN ARG THR GLY PRO THR VAL SER SEQRES 6 B 139 ASN LEU LEU ARG ASN LEU GLU ARG LYS LYS LEU ILE TYR SEQRES 7 B 139 ARG TYR VAL ASP ALA GLN ASP THR ARG ARG LYS ASN ILE SEQRES 8 B 139 GLY LEU THR THR SER GLY ILE LYS LEU VAL GLU ALA PHE SEQRES 9 B 139 THR SER ILE PHE ASP GLU MET GLU GLN THR LEU VAL SER SEQRES 10 B 139 GLN LEU SER GLU GLU GLU ASN GLU GLN MET LYS ALA ASN SEQRES 11 B 139 LEU THR LYS MET LEU SER SER LEU GLN HET SO4 B 140 5 HETNAM SO4 SULFATE ION FORMUL 3 SO4 O4 S 2- FORMUL 4 HOH *196(H2 O) HELIX 1 1 THR A 4 GLU A 25 1 22 HELIX 2 2 GLN A 26 ASP A 28 5 3 HELIX 3 3 THR A 30 HIS A 43 1 14 HELIX 4 4 GLN A 50 GLN A 58 1 9 HELIX 5 5 THR A 60 LYS A 74 1 15 HELIX 6 6 THR A 94 SER A 117 1 24 HELIX 7 7 SER A 120 LEU A 138 1 19 HELIX 8 8 THR B 4 GLU B 25 1 22 HELIX 9 9 GLN B 26 ASP B 28 5 3 HELIX 10 10 THR B 30 HIS B 43 1 14 HELIX 11 11 THR B 49 GLN B 58 1 10 HELIX 12 12 THR B 60 ARG B 73 1 14 HELIX 13 13 THR B 94 PHE B 104 1 11 HELIX 14 14 PHE B 104 SER B 117 1 14 HELIX 15 15 SER B 120 LEU B 138 1 19 SHEET 1 A 3 LEU A 48 THR A 49 0 SHEET 2 A 3 LYS A 89 LEU A 93 -1 O ILE A 91 N LEU A 48 SHEET 3 A 3 ILE A 77 VAL A 81 -1 N TYR A 78 O GLY A 92 SHEET 1 B 2 ILE B 77 TYR B 80 0 SHEET 2 B 2 ASN B 90 LEU B 93 -1 O ASN B 90 N TYR B 80 SITE 1 AC1 9 SER A 120 GLU A 121 HOH A 190 ARG B 59 SITE 2 AC1 9 THR B 60 THR B 63 HOH B 161 HOH B 169 SITE 3 AC1 9 HOH B 233 CRYST1 32.196 96.574 110.283 90.00 90.00 90.00 P 21 21 21 8 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 0.031060 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010355 0.000000 0.00000 SCALE3 0.000000 0.000000 0.009068 0.00000