HEADER TRANSCRIPTION 27-FEB-09 3GFM TITLE CRYSTAL STRUCTURE OF THE ST1710 MUTANT (K91A) PROTEIN COMPND MOL_ID: 1; COMPND 2 MOLECULE: 146AA LONG HYPOTHETICAL TRANSCRIPTIONAL REGULATOR; COMPND 3 CHAIN: A; COMPND 4 SYNONYM: TRANSCRIPTION REGULATOR ST1710; COMPND 5 ENGINEERED: YES; COMPND 6 MUTATION: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: SULFOLOBUS TOKODAII; SOURCE 3 ORGANISM_TAXID: 111955; SOURCE 4 GENE: ST1710; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: BL-21 CODONPLUS (DE3)-RIL-X; SOURCE 8 EXPRESSION_SYSTEM_VECTOR_TYPE: PLASMID; SOURCE 9 EXPRESSION_SYSTEM_PLASMID: PET21A KEYWDS TRANSCRIPTION REGULATOR, ST1710, MARR, TRANSCRIPTION, TRANSCRIPTION KEYWDS 2 REGULATION, STRUCTURAL GENOMICS, NPPSFA, NATIONAL PROJECT ON PROTEIN KEYWDS 3 STRUCTURAL AND FUNCTIONAL ANALYSES, RIKEN STRUCTURAL KEYWDS 4 GENOMICS/PROTEOMICS INITIATIVE, RSGI EXPDTA X-RAY DIFFRACTION AUTHOR T.KUMAREVEL,T.TANAKA,S.YOKOYAMA,RIKEN STRUCTURAL GENOMICS/PROTEOMICS AUTHOR 2 INITIATIVE (RSGI) REVDAT 4 01-NOV-23 3GFM 1 REMARK REVDAT 3 10-NOV-21 3GFM 1 REMARK SEQADV REVDAT 2 01-NOV-17 3GFM 1 REMARK REVDAT 1 25-AUG-09 3GFM 0 JRNL AUTH T.KUMAREVEL,T.TANAKA,T.UMEHARA,S.YOKOYAMA JRNL TITL ST1710-DNA COMPLEX CRYSTAL STRUCTURE REVEALS THE DNA BINDING JRNL TITL 2 MECHANISM OF THE MARR FAMILY OF REGULATORS. JRNL REF NUCLEIC ACIDS RES. V. 37 4723 2009 JRNL REFN ISSN 0305-1048 JRNL PMID 19509310 JRNL DOI 10.1093/NAR/GKP496 REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH T.KUMAREVEL,T.TANAKA,M.NISHIO,S.C.GOPINATH,K.TAKIO, REMARK 1 AUTH 2 A.SHINKAI,P.K.KUMAR,S.YOKOYAMA REMARK 1 TITL CRYSTAL STRUCTURE OF THE MARR FAMILY REGULATORY PROTEIN, REMARK 1 TITL 2 ST1710, FROM SULFOLOBUS TOKODAII STRAIN 7. REMARK 1 REF J.STRUCT.BIOL. V. 161 9 2008 REMARK 1 REFN ISSN 1047-8477 REMARK 1 PMID 17933554 REMARK 1 DOI 10.1016/J.JSB.2007.08.017 REMARK 2 REMARK 2 RESOLUTION. 2.10 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 : ENGH & HUBER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.70 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 212542.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 97.2 REMARK 3 NUMBER OF REFLECTIONS : 8997 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) : 0.218 REMARK 3 FREE R VALUE : 0.270 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 8.200 REMARK 3 FREE R VALUE TEST SET COUNT : 739 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.010 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) : 2.10 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.23 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 97.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1334 REMARK 3 BIN R VALUE (WORKING SET) : 0.2010 REMARK 3 BIN FREE R VALUE : 0.2520 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 7.90 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 115 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.024 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 1138 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 1 REMARK 3 SOLVENT ATOMS : 127 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 24.60 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 36.90 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -1.67000 REMARK 3 B22 (A**2) : -1.67000 REMARK 3 B33 (A**2) : 3.34000 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) : 0.24 REMARK 3 ESD FROM SIGMAA (A) : 0.08 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) : 0.34 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.13 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.000 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 16.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.680 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) : 1.580 ; NULL REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.480 ; NULL REMARK 3 SIDE-CHAIN BOND (A**2) : 2.350 ; NULL REMARK 3 SIDE-CHAIN ANGLE (A**2) : 3.510 ; NULL REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.35 REMARK 3 BSOL : 53.53 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 : DNA-RNA_REP.PARAM REMARK 3 PARAMETER FILE 4 : ION.PARAM REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : WATER.TOP REMARK 3 TOPOLOGY FILE 3 : DNA-RNA_REP.TOP REMARK 3 TOPOLOGY FILE 4 : ION.TOP REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 3GFM COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY PDBJ ON 03-MAR-09. REMARK 100 THE DEPOSITION ID IS D_1000051798. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 29-SEP-08 REMARK 200 TEMPERATURE (KELVIN) : 180 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 FR-D REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.54178 REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU RAXIS VII REMARK 200 INTENSITY-INTEGRATION SOFTWARE : HKL-2000 REMARK 200 DATA SCALING SOFTWARE : HKL-2000 REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 9163 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 40.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 98.1 REMARK 200 DATA REDUNDANCY : 12.20 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.09500 REMARK 200 FOR THE DATA SET : NULL REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.10 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.18 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 12.90 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.30200 REMARK 200 FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: NULL REMARK 200 SOFTWARE USED: MOLREP REMARK 200 STARTING MODEL: 2EB7 REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 43.33 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.17 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: 18% PEG 8000, 0.2M CALCIUM ACETATE, REMARK 280 0.1M SODIUM CACODYLATE, PH 6.5, VAPOR DIFFUSION, SITTING DROP, REMARK 280 TEMPERATURE 293K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 41 21 2 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,-Y,Z+1/2 REMARK 290 3555 -Y+1/2,X+1/2,Z+1/4 REMARK 290 4555 Y+1/2,-X+1/2,Z+3/4 REMARK 290 5555 -X+1/2,Y+1/2,-Z+1/4 REMARK 290 6555 X+1/2,-Y+1/2,-Z+3/4 REMARK 290 7555 Y,X,-Z REMARK 290 8555 -Y,-X,-Z+1/2 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 69.14500 REMARK 290 SMTRY1 3 0.000000 -1.000000 0.000000 22.97850 REMARK 290 SMTRY2 3 1.000000 0.000000 0.000000 22.97850 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 34.57250 REMARK 290 SMTRY1 4 0.000000 1.000000 0.000000 22.97850 REMARK 290 SMTRY2 4 -1.000000 0.000000 0.000000 22.97850 REMARK 290 SMTRY3 4 0.000000 0.000000 1.000000 103.71750 REMARK 290 SMTRY1 5 -1.000000 0.000000 0.000000 22.97850 REMARK 290 SMTRY2 5 0.000000 1.000000 0.000000 22.97850 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 34.57250 REMARK 290 SMTRY1 6 1.000000 0.000000 0.000000 22.97850 REMARK 290 SMTRY2 6 0.000000 -1.000000 0.000000 22.97850 REMARK 290 SMTRY3 6 0.000000 0.000000 -1.000000 103.71750 REMARK 290 SMTRY1 7 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY2 7 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 7 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 8 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY2 8 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY3 8 0.000000 0.000000 -1.000000 69.14500 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: 6200 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 13970 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -46.0 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 350 BIOMT1 2 0.000000 -1.000000 0.000000 0.00000 REMARK 350 BIOMT2 2 -1.000000 0.000000 0.000000 0.00000 REMARK 350 BIOMT3 2 0.000000 0.000000 -1.000000 69.14500 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 GLU A 3 REMARK 465 SER A 4 REMARK 465 ASN A 5 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 GLU A 87 -71.17 -100.77 REMARK 500 ASP A 121 -5.12 -58.02 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 CA A 147 CA REMARK 620 N RES CSSEQI ATOM REMARK 620 1 GLU A 143 O REMARK 620 2 GLN A 146 OXT 74.8 REMARK 620 3 HOH A 269 O 79.7 102.4 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 CA A 147 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 2EB7 RELATED DB: PDB REMARK 900 NATIVE FORM REMARK 900 RELATED ID: 2YR2 RELATED DB: PDB REMARK 900 CRYSTAL BELONG TO DIFFERENT SPACE GROUP REMARK 900 RELATED ID: 3GEZ RELATED DB: PDB REMARK 900 NATIVE FORM REMARK 900 RELATED ID: 3GF2 RELATED DB: PDB REMARK 900 ST1710-SALICYLATE COMPLEX REMARK 900 RELATED ID: 3GFI RELATED DB: PDB REMARK 900 ST1710-DNA COMPLEX REMARK 900 RELATED ID: 3GFJ RELATED DB: PDB REMARK 900 R89A REMARK 900 RELATED ID: 3GFL RELATED DB: PDB REMARK 900 R90A REMARK 900 RELATED ID: STO001001710.8 RELATED DB: TARGETDB DBREF 3GFM A 1 146 UNP Q96ZY1 Q96ZY1_SULTO 1 146 SEQADV 3GFM ALA A 91 UNP Q96ZY1 LYS 91 ENGINEERED MUTATION SEQRES 1 A 146 MET LEU GLU SER ASN GLU ASN ARG ILE GLN ILE MET SER SEQRES 2 A 146 THR ILE ALA LYS ILE TYR ARG ALA MET SER ARG GLU LEU SEQRES 3 A 146 ASN ARG ARG LEU GLY GLU LEU ASN LEU SER TYR LEU ASP SEQRES 4 A 146 PHE LEU VAL LEU ARG ALA THR SER ASP GLY PRO LYS THR SEQRES 5 A 146 MET ALA TYR LEU ALA ASN ARG TYR PHE VAL THR GLN SER SEQRES 6 A 146 ALA ILE THR ALA SER VAL ASP LYS LEU GLU GLU MET GLY SEQRES 7 A 146 LEU VAL VAL ARG VAL ARG ASP ARG GLU ASP ARG ARG ALA SEQRES 8 A 146 ILE LEU ILE GLU ILE THR GLU LYS GLY LEU GLU THR PHE SEQRES 9 A 146 ASN LYS GLY ILE GLU ILE TYR LYS LYS LEU ALA ASN GLU SEQRES 10 A 146 VAL THR GLY ASP LEU SER GLU ASP GLU VAL ILE LEU VAL SEQRES 11 A 146 LEU ASP LYS ILE SER LYS ILE LEU LYS ARG ILE GLU GLU SEQRES 12 A 146 ILE SER GLN HET CA A 147 1 HETNAM CA CALCIUM ION FORMUL 2 CA CA 2+ FORMUL 3 HOH *127(H2 O) HELIX 1 1 GLU A 6 GLY A 31 1 26 HELIX 2 2 GLU A 32 ASN A 34 5 3 HELIX 3 3 SER A 36 SER A 47 1 12 HELIX 4 4 MET A 53 TYR A 60 1 8 HELIX 5 5 THR A 63 MET A 77 1 15 HELIX 6 6 THR A 97 THR A 119 1 23 HELIX 7 7 SER A 123 GLN A 146 1 24 SHEET 1 A 3 LYS A 51 THR A 52 0 SHEET 2 A 3 ILE A 92 ILE A 96 -1 O ILE A 94 N LYS A 51 SHEET 3 A 3 VAL A 80 ARG A 84 -1 N VAL A 83 O LEU A 93 LINK O GLU A 143 CA CA A 147 1555 1555 2.73 LINK OXT GLN A 146 CA CA A 147 1555 1555 2.88 LINK CA CA A 147 O HOH A 269 1555 1555 2.85 SITE 1 AC1 6 GLU A 98 GLU A 143 GLN A 146 HOH A 151 SITE 2 AC1 6 HOH A 152 HOH A 269 CRYST1 45.957 45.957 138.290 90.00 90.00 90.00 P 41 21 2 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 0.021759 0.000000 0.000000 0.00000 SCALE2 0.000000 0.021759 0.000000 0.00000 SCALE3 0.000000 0.000000 0.007231 0.00000