HEADER METHYLTRANSFERASE 10-JUL-98 1BSF TITLE THERMOSTABLE THYMIDYLATE SYNTHASE A FROM BACILLUS SUBTILIS COMPND MOL_ID: 1; COMPND 2 MOLECULE: THYMIDYLATE SYNTHASE A; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.1.1.45; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: BACILLUS SUBTILIS; SOURCE 3 ORGANISM_TAXID: 1423; SOURCE 4 CELL_LINE: X2913; SOURCE 5 GENE: THYA; SOURCE 6 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 7 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 8 EXPRESSION_SYSTEM_CELL_LINE: X2913; SOURCE 9 EXPRESSION_SYSTEM_VECTOR: PTRC 99A; SOURCE 10 EXPRESSION_SYSTEM_PLASMID: PTRC-THYA; SOURCE 11 EXPRESSION_SYSTEM_GENE: THYA KEYWDS METHYLTRANSFERASE, DTMP SYNTHASE EXPDTA X-RAY DIFFRACTION AUTHOR T.J.STOUT,U.SCHELLENBERGER,D.V.SANTI,R.M.STROUD REVDAT 4 22-MAY-24 1BSF 1 REMARK REVDAT 3 09-AUG-23 1BSF 1 REMARK REVDAT 2 24-FEB-09 1BSF 1 VERSN REVDAT 1 13-JAN-99 1BSF 0 JRNL AUTH T.J.STOUT,U.SCHELLENBERGER,D.V.SANTI,R.M.STROUD JRNL TITL CRYSTAL STRUCTURES OF A UNIQUE THERMAL-STABLE THYMIDYLATE JRNL TITL 2 SYNTHASE FROM BACILLUS SUBTILIS. JRNL REF BIOCHEMISTRY V. 37 14736 1998 JRNL REFN ISSN 0006-2960 JRNL PMID 9778348 JRNL DOI 10.1021/BI981270L REMARK 1 REMARK 1 REFERENCE 1 REMARK 1 AUTH P.J.GREENE,P.L.YU,J.ZHAO,C.A.SCHIFFER,D.SANTI REMARK 1 TITL EXPRESSION, PURIFICATION, AND CHARACTERIZATION OF REMARK 1 TITL 2 THYMIDYLATE SYNTHASE FROM LACTOCOCCUS LACTIS REMARK 1 REF PROTEIN SCI. V. 3 1114 1994 REMARK 1 REFN ISSN 0961-8368 REMARK 1 REFERENCE 2 REMARK 1 AUTH J.NEUHARD,A.R.PRICE,L.SCHACK,E.THOMASSEN REMARK 1 TITL TWO THYMIDYLATE SYNTHETASES IN BACILLUS SUBTILIS REMARK 1 REF PROC.NATL.ACAD.SCI.USA V. 75 1194 1978 REMARK 1 REFN ISSN 0027-8424 REMARK 2 REMARK 2 RESOLUTION. 2.20 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.854 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.20 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 60.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 23.1 REMARK 3 NUMBER OF REFLECTIONS : 32200 REMARK 3 REMARK 3 FIT TO DATA USED IN REFINEMENT. REMARK 3 CROSS-VALIDATION METHOD : THROUGHOUT REMARK 3 FREE R VALUE TEST SET SELECTION : SHELLS REMARK 3 R VALUE (WORKING SET) : 0.195 REMARK 3 FREE R VALUE : 0.301 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 10.300 REMARK 3 FREE R VALUE TEST SET COUNT : 911 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) : 2.20 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.34 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 19.40 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 934 REMARK 3 BIN R VALUE (WORKING SET) : 0.2870 REMARK 3 BIN FREE R VALUE : 0.3620 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 9.80 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 102 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.038 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4602 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 5.90 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 22.80 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : 0.00000 REMARK 3 B22 (A**2) : 0.00000 REMARK 3 B33 (A**2) : 0.00000 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) : 0.27 REMARK 3 ESD FROM SIGMAA (A) : 0.34 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) : 0.48 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.62 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 27.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.600 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) : 2.930 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 4.270 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 4.370 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 5.570 ; 2.500 REMARK 3 REMARK 3 NCS MODEL : CONSTR 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 : PARHCSDX.PR REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PR REMARK 3 TOPOLOGY FILE 2 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 3 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: BULK SOLVENT MODEL USED REMARK 4 REMARK 4 1BSF COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY BNL. REMARK 100 THE DEPOSITION ID IS D_1000172052. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JUN-96 REMARK 200 TEMPERATURE (KELVIN) : 287 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 RUH2R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : COLLIMATOR REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : RIGAKU REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 82603 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.200 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 23.1 REMARK 200 DATA REDUNDANCY : 2.600 REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.08400 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 6.9000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.20 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.26 REMARK 200 COMPLETENESS FOR SHELL (%) : 19.4 REMARK 200 DATA REDUNDANCY IN SHELL : 1.60 REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.28700 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.600 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: AMORE, MLPHARE, DM, X-PLOR REMARK 200 STARTING MODEL: HOMOLOGY MODEL BASED ON 1TJS REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 60.30 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.12 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.5 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 29.49100 REMARK 290 SMTRY2 2 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 1.000000 71.94000 REMARK 290 SMTRY1 3 -1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 47.98100 REMARK 290 SMTRY3 3 0.000000 0.000000 -1.000000 71.94000 REMARK 290 SMTRY1 4 1.000000 0.000000 0.000000 29.49100 REMARK 290 SMTRY2 4 0.000000 -1.000000 0.000000 47.98100 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: 4390 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 23020 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -4.0 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 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 ARG A 28 CG CD NE CZ NH1 NH2 REMARK 470 ARG B 28 CG CD NE CZ NH1 NH2 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 NZ LYS A 232 OD1 ASP B 26 3655 1.14 REMARK 500 NZ LYS A 232 CG ASP B 26 3655 1.35 REMARK 500 NZ LYS A 232 OD2 ASP B 26 3655 1.60 REMARK 500 CB ASP B 101 NZ LYS B 263 4455 1.72 REMARK 500 OE1 GLU A 23 CD2 HIS A 171 3655 2.02 REMARK 500 CE LYS A 232 OD1 ASP B 26 3655 2.08 REMARK 500 CG ASP B 101 NZ LYS B 263 4455 2.09 REMARK 500 OE1 GLU A 23 NE2 HIS A 171 3655 2.09 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 GLN A 3 142.55 -32.78 REMARK 500 GLU A 23 -67.85 -22.68 REMARK 500 GLU A 24 -14.19 -33.95 REMARK 500 TRP A 31 -152.75 -64.19 REMARK 500 ASP A 34 7.17 -151.56 REMARK 500 SER A 45 93.40 49.82 REMARK 500 ASN A 52 30.79 76.91 REMARK 500 ALA A 64 48.68 -78.47 REMARK 500 ILE A 93 14.57 -56.45 REMARK 500 GLU A 100 -10.27 -44.92 REMARK 500 TYR A 108 -117.69 44.25 REMARK 500 ASN A 120 63.16 60.36 REMARK 500 ASN A 137 58.77 -155.95 REMARK 500 HIS A 143 87.19 -54.40 REMARK 500 TRP A 148 86.58 -62.34 REMARK 500 LEU A 158 137.77 -175.07 REMARK 500 CYS A 161 -71.45 -92.24 REMARK 500 HIS A 171 66.16 61.04 REMARK 500 ASN A 183 126.45 -178.87 REMARK 500 VAL A 193 -77.24 -38.01 REMARK 500 ILE A 259 -4.71 -59.08 REMARK 500 GLU A 276 131.79 -19.45 REMARK 500 GLN B 3 142.58 -32.74 REMARK 500 GLU B 23 -67.84 -22.68 REMARK 500 GLU B 24 -14.17 -33.98 REMARK 500 TRP B 31 -152.71 -64.20 REMARK 500 ASP B 34 7.21 -151.56 REMARK 500 SER B 45 93.39 49.82 REMARK 500 ASN B 52 30.81 76.93 REMARK 500 ALA B 64 48.62 -78.41 REMARK 500 ILE B 93 14.55 -56.44 REMARK 500 GLU B 100 -10.23 -44.98 REMARK 500 TYR B 108 -117.69 44.25 REMARK 500 ASN B 120 63.18 60.36 REMARK 500 ASN B 137 58.81 -155.98 REMARK 500 HIS B 143 87.20 -54.36 REMARK 500 TRP B 148 86.53 -62.33 REMARK 500 LEU B 158 137.78 -175.04 REMARK 500 CYS B 161 -71.49 -92.21 REMARK 500 HIS B 171 66.16 61.06 REMARK 500 ASN B 183 126.43 -178.87 REMARK 500 VAL B 193 -77.24 -38.00 REMARK 500 ILE B 259 -4.66 -59.07 REMARK 500 GLU B 276 131.78 -19.36 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTIC CYSTEINE REMARK 800 REMARK 800 SITE_IDENTIFIER: CBT REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTIC CYSTEINE DBREF 1BSF A 2 279 UNP P42326 TYSA_BACSU 2 279 DBREF 1BSF B 2 279 UNP P42326 TYSA_BACSU 2 279 SEQRES 1 A 278 THR GLN PHE ASP LYS GLN TYR ASN SER ILE ILE LYS ASP SEQRES 2 A 278 ILE ILE ASN ASN GLY ILE SER ASP GLU GLU PHE ASP VAL SEQRES 3 A 278 ARG THR LYS TRP ASP SER ASP GLY THR PRO ALA HIS THR SEQRES 4 A 278 LEU SER VAL ILE SER LYS GLN MET ARG PHE ASP ASN SER SEQRES 5 A 278 GLU VAL PRO ILE LEU THR THR LYS LYS VAL ALA TRP LYS SEQRES 6 A 278 THR ALA ILE LYS GLU LEU LEU TRP ILE TRP GLN LEU LYS SEQRES 7 A 278 SER ASN ASP VAL ASN ASP LEU ASN MET MET GLY VAL HIS SEQRES 8 A 278 ILE TRP ASP GLN TRP LYS GLN GLU ASP GLY THR ILE GLY SEQRES 9 A 278 HIS ALA TYR GLY PHE GLN LEU GLY LYS LYS ASN ARG SER SEQRES 10 A 278 LEU ASN GLY GLU LYS VAL ASP GLN VAL ASP TYR LEU LEU SEQRES 11 A 278 HIS GLN LEU LYS ASN ASN PRO SER SER ARG ARG HIS ILE SEQRES 12 A 278 THR MET LEU TRP ASN PRO ASP GLU LEU ASP ALA MET ALA SEQRES 13 A 278 LEU THR PRO CYS VAL TYR GLU THR GLN TRP TYR VAL LYS SEQRES 14 A 278 HIS GLY LYS LEU HIS LEU GLU VAL ARG ALA ARG SER ASN SEQRES 15 A 278 ASP MET ALA LEU GLY ASN PRO PHE ASN VAL PHE GLN TYR SEQRES 16 A 278 ASN VAL LEU GLN ARG MET ILE ALA GLN VAL THR GLY TYR SEQRES 17 A 278 GLU LEU GLY GLU TYR ILE PHE ASN ILE GLY ASP CYS HIS SEQRES 18 A 278 VAL TYR THR ARG HIS ILE ASP ASN LEU LYS ILE GLN MET SEQRES 19 A 278 GLU ARG GLU GLN PHE GLU ALA PRO GLU LEU TRP ILE ASN SEQRES 20 A 278 PRO GLU VAL LYS ASP PHE TYR ASP PHE THR ILE ASP ASP SEQRES 21 A 278 PHE LYS LEU ILE ASN TYR LYS HIS GLY ASP LYS LEU LEU SEQRES 22 A 278 PHE GLU VAL ALA VAL SEQRES 1 B 278 THR GLN PHE ASP LYS GLN TYR ASN SER ILE ILE LYS ASP SEQRES 2 B 278 ILE ILE ASN ASN GLY ILE SER ASP GLU GLU PHE ASP VAL SEQRES 3 B 278 ARG THR LYS TRP ASP SER ASP GLY THR PRO ALA HIS THR SEQRES 4 B 278 LEU SER VAL ILE SER LYS GLN MET ARG PHE ASP ASN SER SEQRES 5 B 278 GLU VAL PRO ILE LEU THR THR LYS LYS VAL ALA TRP LYS SEQRES 6 B 278 THR ALA ILE LYS GLU LEU LEU TRP ILE TRP GLN LEU LYS SEQRES 7 B 278 SER ASN ASP VAL ASN ASP LEU ASN MET MET GLY VAL HIS SEQRES 8 B 278 ILE TRP ASP GLN TRP LYS GLN GLU ASP GLY THR ILE GLY SEQRES 9 B 278 HIS ALA TYR GLY PHE GLN LEU GLY LYS LYS ASN ARG SER SEQRES 10 B 278 LEU ASN GLY GLU LYS VAL ASP GLN VAL ASP TYR LEU LEU SEQRES 11 B 278 HIS GLN LEU LYS ASN ASN PRO SER SER ARG ARG HIS ILE SEQRES 12 B 278 THR MET LEU TRP ASN PRO ASP GLU LEU ASP ALA MET ALA SEQRES 13 B 278 LEU THR PRO CYS VAL TYR GLU THR GLN TRP TYR VAL LYS SEQRES 14 B 278 HIS GLY LYS LEU HIS LEU GLU VAL ARG ALA ARG SER ASN SEQRES 15 B 278 ASP MET ALA LEU GLY ASN PRO PHE ASN VAL PHE GLN TYR SEQRES 16 B 278 ASN VAL LEU GLN ARG MET ILE ALA GLN VAL THR GLY TYR SEQRES 17 B 278 GLU LEU GLY GLU TYR ILE PHE ASN ILE GLY ASP CYS HIS SEQRES 18 B 278 VAL TYR THR ARG HIS ILE ASP ASN LEU LYS ILE GLN MET SEQRES 19 B 278 GLU ARG GLU GLN PHE GLU ALA PRO GLU LEU TRP ILE ASN SEQRES 20 B 278 PRO GLU VAL LYS ASP PHE TYR ASP PHE THR ILE ASP ASP SEQRES 21 B 278 PHE LYS LEU ILE ASN TYR LYS HIS GLY ASP LYS LEU LEU SEQRES 22 B 278 PHE GLU VAL ALA VAL HELIX 1 1 PHE A 4 ASN A 18 1 15 HELIX 2 2 ASP A 22 GLU A 24 5 3 HELIX 3 3 TRP A 65 TRP A 76 1 12 HELIX 4 4 VAL A 83 MET A 88 1 6 HELIX 5 5 ASP A 95 TRP A 97 5 3 HELIX 6 6 TYR A 108 LEU A 112 5 5 HELIX 7 7 GLN A 126 ASN A 136 1 11 HELIX 8 8 LEU A 153 ALA A 155 5 3 HELIX 9 9 ASN A 189 THR A 207 1 19 HELIX 10 10 ARG A 226 GLU A 236 1 11 HELIX 11 11 PHE A 254 ASP A 256 5 3 HELIX 12 12 PHE B 4 ASN B 18 1 15 HELIX 13 13 ASP B 22 GLU B 24 5 3 HELIX 14 14 TRP B 65 TRP B 76 1 12 HELIX 15 15 VAL B 83 MET B 88 1 6 HELIX 16 16 ASP B 95 TRP B 97 5 3 HELIX 17 17 TYR B 108 LEU B 112 5 5 HELIX 18 18 GLN B 126 ASN B 136 1 11 HELIX 19 19 LEU B 153 ALA B 155 5 3 HELIX 20 20 ASN B 189 THR B 207 1 19 HELIX 21 21 ARG B 226 GLU B 236 1 11 HELIX 22 22 PHE B 254 ASP B 256 5 3 SHEET 1 A 3 THR A 40 ILE A 44 0 SHEET 2 A 3 ASP A 220 TYR A 224 -1 N VAL A 223 O LEU A 41 SHEET 3 A 3 SER A 182 ASP A 184 1 N ASN A 183 O ASP A 220 SHEET 1 B 5 LYS A 46 PHE A 50 0 SHEET 2 B 5 TYR A 214 ILE A 218 -1 N ILE A 218 O LYS A 46 SHEET 3 B 5 LEU A 174 ALA A 180 1 N LEU A 176 O ILE A 215 SHEET 4 B 5 VAL A 162 VAL A 169 -1 N TYR A 168 O HIS A 175 SHEET 5 B 5 ILE A 144 MET A 146 -1 N THR A 145 O THR A 165 SHEET 1 C 3 THR B 40 ILE B 44 0 SHEET 2 C 3 ASP B 220 TYR B 224 -1 N VAL B 223 O LEU B 41 SHEET 3 C 3 SER B 182 ASP B 184 1 N ASN B 183 O ASP B 220 SHEET 1 D 5 LYS B 46 PHE B 50 0 SHEET 2 D 5 TYR B 214 ILE B 218 -1 N ILE B 218 O LYS B 46 SHEET 3 D 5 LEU B 174 ALA B 180 1 N LEU B 176 O ILE B 215 SHEET 4 D 5 VAL B 162 VAL B 169 -1 N TYR B 168 O HIS B 175 SHEET 5 D 5 ILE B 144 MET B 146 -1 N THR B 145 O THR B 165 SITE 1 CAT 1 CYS A 161 SITE 1 CBT 1 CYS B 161 CRYST1 58.982 95.962 143.880 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 0.016954 0.000000 0.000000 0.00000 SCALE2 0.000000 0.010421 0.000000 0.00000 SCALE3 0.000000 0.000000 0.006950 0.00000 MTRIX1 1 0.363337 0.262697 0.893855 -13.63800 1 MTRIX2 1 0.257455 -0.950375 0.174657 26.72530 1 MTRIX3 1 0.895379 0.166668 -0.412939 13.23410 1