HEADER METHYLTRANSFERASE 09-JUL-98 1BKP 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 5 22-MAY-24 1BKP 1 REMARK REVDAT 4 02-AUG-23 1BKP 1 REMARK REVDAT 3 24-FEB-09 1BKP 1 VERSN REVDAT 2 23-MAR-99 1BKP 1 REMARK HEADER JRNL KEYWDS REVDAT 1 02-FEB-99 1BKP 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. 1.70 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.843 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 1.70 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 48.30 REMARK 3 DATA CUTOFF (SIGMA(F)) : 2.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 10000000.000 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0010 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 88.9 REMARK 3 NUMBER OF REFLECTIONS : 60736 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) : 0.151 REMARK 3 FREE R VALUE : 0.206 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.100 REMARK 3 FREE R VALUE TEST SET COUNT : 2505 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.005 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) : 1.70 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 1.81 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 48.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 5399 REMARK 3 BIN R VALUE (WORKING SET) : 0.1780 REMARK 3 BIN FREE R VALUE : 0.2130 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 4.00 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 225 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.087 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4608 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 0 REMARK 3 SOLVENT ATOMS : 349 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 10.80 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 24.90 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) : 0.16 REMARK 3 ESD FROM SIGMAA (A) : 0.16 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) : 0.19 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.12 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.20 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.110 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) : 2.510 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 3.860 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 8.360 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 13.300; 2.500 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 : PARHCSDX.PRO REMARK 3 PARAMETER FILE 2 : PARAM19.SOL REMARK 3 PARAMETER FILE 3 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO 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 1BKP 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_1000171867. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : JUL-95 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 : 60767 REMARK 200 RESOLUTION RANGE HIGH (A) : 1.700 REMARK 200 RESOLUTION RANGE LOW (A) : 50.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : -3.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 88.9 REMARK 200 DATA REDUNDANCY : 5.400 REMARK 200 R MERGE (I) : 0.08600 REMARK 200 R SYM (I) : 0.08600 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 13.2000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 1.70 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 1.75 REMARK 200 COMPLETENESS FOR SHELL (%) : 56.5 REMARK 200 DATA REDUNDANCY IN SHELL : 3.50 REMARK 200 R MERGE FOR SHELL (I) : 0.31500 REMARK 200 R SYM FOR SHELL (I) : 0.31500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 3.100 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MIR/MR REMARK 200 SOFTWARE USED: X-PLOR 3.843 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 (%): 48.80 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.42 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 6.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 1 21 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 40.81500 REMARK 290 SMTRY3 2 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: 4410 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 22950 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -8.0 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 480 REMARK 480 ZERO OCCUPANCY ATOM REMARK 480 THE FOLLOWING RESIDUES HAVE ATOMS MODELED WITH ZERO REMARK 480 OCCUPANCY. THE LOCATION AND PROPERTIES OF THESE ATOMS REMARK 480 MAY NOT BE RELIABLE. (M=MODEL NUMBER; RES=RESIDUE NAME; REMARK 480 C=CHAIN IDENTIFIER; SSEQ=SEQUENCE NUMBER; I=INSERTION CODE): REMARK 480 M RES C SSEQI ATOMS REMARK 480 ARG B 28 CG CD NE CZ NH1 NH2 REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: COVALENT BOND LENGTHS 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,2(A3,1X,A1,I4,A1,1X,A4,3X),1X,F6.3) 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 RES CSSEQI ATM2 DEVIATION REMARK 500 GLN A 3 CB GLN A 3 CG 0.188 REMARK 500 GLU A 54 CB GLU A 54 CG -0.128 REMARK 500 CYS A 221 CB CYS A 221 SG -0.100 REMARK 500 VAL B 178 CB VAL B 178 CG2 -0.156 REMARK 500 TYR B 267 CD1 TYR B 267 CE1 0.096 REMARK 500 REMARK 500 REMARK: NULL 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 VAL A 124 CG1 - CB - CG2 ANGL. DEV. = 12.0 DEGREES REMARK 500 ARG A 237 NE - CZ - NH1 ANGL. DEV. = 10.6 DEGREES REMARK 500 ARG A 237 NE - CZ - NH2 ANGL. DEV. = -8.4 DEGREES REMARK 500 GLN B 3 N - CA - C ANGL. DEV. = 19.7 DEGREES REMARK 500 VAL B 43 CG1 - CB - CG2 ANGL. DEV. = 11.4 DEGREES REMARK 500 ASP B 51 CB - CG - OD1 ANGL. DEV. = 6.3 DEGREES REMARK 500 ARG B 179 NE - CZ - NH1 ANGL. DEV. = 3.4 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 GLN A 3 126.70 -32.40 REMARK 500 ASP A 34 6.21 -155.07 REMARK 500 SER A 45 89.95 58.22 REMARK 500 HIS A 106 45.28 -93.77 REMARK 500 TYR A 108 -115.37 45.59 REMARK 500 GLN B 3 107.94 43.24 REMARK 500 ASP B 34 10.70 -141.25 REMARK 500 SER B 45 84.59 63.60 REMARK 500 HIS B 106 42.11 -88.06 REMARK 500 TYR B 108 -113.49 49.17 REMARK 500 ALA B 278 -82.66 -97.69 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: CAA REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTIC CYSTEINE. REMARK 800 REMARK 800 SITE_IDENTIFIER: CAB REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTIC CYSTEINE. DBREF 1BKP A 2 279 UNP P42326 TYSA_BACSU 2 279 DBREF 1BKP 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 FORMUL 3 HOH *349(H2 O) HELIX 1 1 PHE A 4 ASN A 18 1 15 HELIX 2 2 TRP A 65 TRP A 76 1 12 HELIX 3 3 VAL A 83 MET A 89 1 7 HELIX 4 4 ASP A 95 TRP A 97 5 3 HELIX 5 5 TYR A 108 GLY A 113 5 6 HELIX 6 6 GLN A 126 ASN A 136 1 11 HELIX 7 7 LEU A 153 ALA A 155 5 3 HELIX 8 8 ASN A 189 THR A 207 1 19 HELIX 9 9 THR A 225 GLU A 236 5 12 HELIX 10 10 PHE A 254 ASP A 256 5 3 HELIX 11 11 ILE A 259 ASP A 261 5 3 HELIX 12 12 PHE B 4 ASN B 18 1 15 HELIX 13 13 TRP B 65 TRP B 76 1 12 HELIX 14 14 VAL B 83 MET B 89 1 7 HELIX 15 15 ASP B 95 TRP B 97 5 3 HELIX 16 16 TYR B 108 GLY B 113 5 6 HELIX 17 17 GLN B 126 ASN B 136 1 11 HELIX 18 18 LEU B 153 ALA B 155 5 3 HELIX 19 19 ASN B 189 THR B 207 1 19 HELIX 20 20 THR B 225 GLU B 236 5 12 HELIX 21 21 PHE B 254 ASP B 256 5 3 HELIX 22 22 ILE B 259 ASP B 261 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 LYS A 173 ALA A 180 1 N LEU A 176 O ILE A 215 SHEET 4 B 5 VAL A 162 LYS A 170 -1 N LYS A 170 O LYS A 173 SHEET 5 B 5 ILE A 144 MET A 146 -1 N THR A 145 O THR A 165 SHEET 1 C 2 ARG A 117 LEU A 119 0 SHEET 2 C 2 GLU A 122 VAL A 124 -1 N VAL A 124 O ARG A 117 SHEET 1 D 2 GLU A 244 ILE A 247 0 SHEET 2 D 2 PHE A 262 ILE A 265 -1 N ILE A 265 O GLU A 244 SHEET 1 E 3 THR B 40 ILE B 44 0 SHEET 2 E 3 ASP B 220 TYR B 224 -1 N VAL B 223 O LEU B 41 SHEET 3 E 3 SER B 182 ASP B 184 1 N ASN B 183 O ASP B 220 SHEET 1 F 5 LYS B 46 PHE B 50 0 SHEET 2 F 5 TYR B 214 ILE B 218 -1 N ILE B 218 O LYS B 46 SHEET 3 F 5 LYS B 173 ALA B 180 1 N LEU B 176 O ILE B 215 SHEET 4 F 5 VAL B 162 LYS B 170 -1 N LYS B 170 O LYS B 173 SHEET 5 F 5 ILE B 144 MET B 146 -1 N THR B 145 O THR B 165 SHEET 1 G 2 ARG B 117 LEU B 119 0 SHEET 2 G 2 GLU B 122 VAL B 124 -1 N VAL B 124 O ARG B 117 SHEET 1 H 2 GLU B 244 ILE B 247 0 SHEET 2 H 2 PHE B 262 ILE B 265 -1 N ILE B 265 O GLU B 244 SITE 1 CAA 1 CYS A 161 SITE 1 CAB 1 CYS B 161 CRYST1 59.940 81.630 64.790 90.00 92.52 90.00 P 1 21 1 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 0.016683 0.000000 0.000734 0.00000 SCALE2 0.000000 0.012250 0.000000 0.00000 SCALE3 0.000000 0.000000 0.015449 0.00000 MTRIX1 1 0.127578 0.019096 -0.991645 28.53140 1 MTRIX2 1 0.018100 -0.999693 -0.016922 0.23840 1 MTRIX3 1 -0.991663 -0.015790 -0.127885 32.50530 1