HEADER TRANSFERASE 09-JAN-01 1HW4 TITLE STRUCTURE OF THYMIDYLATE SYNTHASE SUGGESTS ADVANTAGES OF CHEMOTHERAPY TITLE 2 WITH NONCOMPETITIVE INHIBITORS COMPND MOL_ID: 1; COMPND 2 MOLECULE: THYMIDYLATE SYNTHASE; COMPND 3 CHAIN: A; COMPND 4 FRAGMENT: N-TERMINALLY EXTENDED; COMPND 5 SYNONYM: TS; COMPND 6 EC: 2.1.1.45; COMPND 7 ENGINEERED: YES; COMPND 8 OTHER_DETAILS: N-TERMINALLY EXTENDED SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 3 ORGANISM_COMMON: HUMAN; SOURCE 4 ORGANISM_TAXID: 9606; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562; SOURCE 7 EXPRESSION_SYSTEM_STRAIN: TX61 KEYWDS THYMIDYLATE SYNTHASE, METHYLTRANSFERASE, TRANSFERASE EXPDTA X-RAY DIFFRACTION AUTHOR J.PHAN,J.D.STEADMAN,S.KOLI,W.C.DING,W.MINOR,R.B.DUNLAP,S.H.BERGER, AUTHOR 2 L.LEBIODA REVDAT 8 16-OCT-24 1HW4 1 REMARK REVDAT 7 13-APR-22 1HW4 1 AUTHOR JRNL REMARK SEQADV REVDAT 7 2 1 LINK REVDAT 6 13-JUL-11 1HW4 1 VERSN REVDAT 5 24-FEB-09 1HW4 1 VERSN REVDAT 4 01-APR-03 1HW4 1 JRNL REVDAT 3 17-AUG-01 1HW4 1 DBREF REVDAT 2 09-MAY-01 1HW4 1 JRNL REVDAT 1 24-JAN-01 1HW4 0 JRNL AUTH J.PHAN,D.J.STEADMAN,S.KOLI,W.C.DING,W.MINOR,R.B.DUNLAP, JRNL AUTH 2 S.H.BERGER,L.LEBIODA JRNL TITL STRUCTURE OF HUMAN THYMIDYLATE SYNTHASE SUGGESTS ADVANTAGES JRNL TITL 2 OF CHEMOTHERAPY WITH NONCOMPETITIVE INHIBITORS. JRNL REF J.BIOL.CHEM. V. 276 14170 2001 JRNL REFN ISSN 0021-9258 JRNL PMID 11278511 REMARK 2 REMARK 2 RESOLUTION. 2.06 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) : 2.06 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 6.00 REMARK 3 DATA CUTOFF (SIGMA(F)) : 3.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : 738658.230 REMARK 3 DATA CUTOFF LOW (ABS(F)) : 0.0000 REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 86.7 REMARK 3 NUMBER OF REFLECTIONS : 22853 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) : 0.224 REMARK 3 FREE R VALUE : 0.240 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 4.900 REMARK 3 FREE R VALUE TEST SET COUNT : 1123 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.007 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) : 2.00 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 2.12 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 29.20 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1317 REMARK 3 BIN R VALUE (WORKING SET) : 0.3000 REMARK 3 BIN FREE R VALUE : 0.3320 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.30 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 74 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.039 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 2137 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 19 REMARK 3 SOLVENT ATOMS : 102 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 19.20 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 41.70 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) : 0.27 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) : 0.31 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.33 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) : 23.90 REMARK 3 IMPROPER ANGLES (DEGREES) : 0.870 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) : 1.340 ; 1.500 REMARK 3 MAIN-CHAIN ANGLE (A**2) : 2.170 ; 2.000 REMARK 3 SIDE-CHAIN BOND (A**2) : 1.910 ; 2.000 REMARK 3 SIDE-CHAIN ANGLE (A**2) : 2.760 ; 2.500 REMARK 3 REMARK 3 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.76 REMARK 3 BSOL : 105.5 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 : EDO.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 : EDO.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 1HW4 COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 10-JAN-01. REMARK 100 THE DEPOSITION ID IS D_1000012622. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : 25-AUG-00 REMARK 200 TEMPERATURE (KELVIN) : 120 REMARK 200 PH : 7.8 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : APS REMARK 200 BEAMLINE : 19-ID REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 0.9793 REMARK 200 MONOCHROMATOR : DOUBLE CRYSTALS (SI-111, SI-220) REMARK 200 OPTICS : MONOCHROMATORS REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : SBC-1 REMARK 200 INTENSITY-INTEGRATION SOFTWARE : D*TREK REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 26475 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.060 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 2.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 96.0 REMARK 200 DATA REDUNDANCY : 5.700 REMARK 200 R MERGE (I) : 0.05100 REMARK 200 R SYM (I) : NULL REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 36.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 2.06 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 2.13 REMARK 200 COMPLETENESS FOR SHELL (%) : 99.8 REMARK 200 DATA REDUNDANCY IN SHELL : 5.70 REMARK 200 R MERGE FOR SHELL (I) : 0.37300 REMARK 200 R SYM FOR SHELL (I) : NULL REMARK 200 <I/SIGMA(I)> FOR SHELL : NULL REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNS REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 54.08 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.68 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: AMMONIUM SULFATE, TRIS BUFFER, REMARK 280 POTASSIUM PHOSPHATE, AND 2-MERCAPTOETHANOL, PH 7.8, VAPOR REMARK 280 DIFFUSION, HANGING DROP, TEMPERATURE 298K REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: P 31 2 1 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 Y,X,-Z REMARK 290 5555 X-Y,-Y,-Z+2/3 REMARK 290 6555 -X,-X+Y,-Z+1/3 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 27.66600 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 55.33200 REMARK 290 SMTRY1 4 -0.500000 0.866025 0.000000 0.00000 REMARK 290 SMTRY2 4 0.866025 0.500000 0.000000 0.00000 REMARK 290 SMTRY3 4 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 5 1.000000 0.000000 0.000000 0.00000 REMARK 290 SMTRY2 5 0.000000 -1.000000 0.000000 0.00000 REMARK 290 SMTRY3 5 0.000000 0.000000 -1.000000 55.33200 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 27.66600 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,PQS REMARK 350 TOTAL BURIED SURFACE AREA: 5760 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21750 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -88.0 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 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 55.33200 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 -41 REMARK 465 GLY A -40 REMARK 465 HIS A -39 REMARK 465 HIS A -38 REMARK 465 HIS A -37 REMARK 465 HIS A -36 REMARK 465 HIS A -35 REMARK 465 HIS A -34 REMARK 465 ASP A -33 REMARK 465 THR A -32 REMARK 465 ASP A -31 REMARK 465 ILE A -30 REMARK 465 PRO A -29 REMARK 465 THR A -28 REMARK 465 THR A -27 REMARK 465 GLU A -26 REMARK 465 ASN A -25 REMARK 465 LEU A -24 REMARK 465 THR A -23 REMARK 465 PHE A -22 REMARK 465 GLN A -21 REMARK 465 GLY A -20 REMARK 465 ALA A -19 REMARK 465 CYS A -18 REMARK 465 ARG A -17 REMARK 465 LEU A -16 REMARK 465 VAL A -15 REMARK 465 ALA A -14 REMARK 465 ASN A -13 REMARK 465 CYS A -12 REMARK 465 ARG A -11 REMARK 465 ASP A -10 REMARK 465 VAL A -9 REMARK 465 ARG A -8 REMARK 465 CYS A -7 REMARK 465 ARG A -6 REMARK 465 ARG A -5 REMARK 465 LEU A -4 REMARK 465 LEU A -3 REMARK 465 ARG A -2 REMARK 465 ASN A -1 REMARK 465 VAL A 0 REMARK 465 MET A 1 REMARK 465 PRO A 2 REMARK 465 VAL A 3 REMARK 465 ALA A 4 REMARK 465 GLY A 5 REMARK 465 SER A 6 REMARK 465 GLU A 7 REMARK 465 LEU A 8 REMARK 465 PRO A 9 REMARK 465 ARG A 10 REMARK 465 ARG A 11 REMARK 465 PRO A 12 REMARK 465 LEU A 13 REMARK 465 PRO A 14 REMARK 465 PRO A 15 REMARK 465 ALA A 16 REMARK 465 ALA A 17 REMARK 465 GLN A 18 REMARK 465 GLU A 19 REMARK 465 ARG A 20 REMARK 465 ASP A 21 REMARK 465 ALA A 22 REMARK 465 GLU A 23 REMARK 465 PRO A 24 REMARK 465 ARG A 25 REMARK 465 LYS A 107 REMARK 465 ILE A 108 REMARK 465 TRP A 109 REMARK 465 ASP A 110 REMARK 465 ALA A 111 REMARK 465 ASN A 112 REMARK 465 GLY A 113 REMARK 465 SER A 114 REMARK 465 ARG A 115 REMARK 465 ASP A 116 REMARK 465 PHE A 117 REMARK 465 LEU A 118 REMARK 465 ASP A 119 REMARK 465 SER A 120 REMARK 465 LEU A 121 REMARK 465 GLY A 122 REMARK 465 PHE A 123 REMARK 465 SER A 124 REMARK 465 THR A 125 REMARK 465 ARG A 126 REMARK 465 GLU A 127 REMARK 465 GLU A 128 REMARK 465 MET A 311 REMARK 465 ALA A 312 REMARK 465 VAL A 313 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 ARG A 147 -84.59 -101.93 REMARK 500 MET A 149 -2.68 -54.34 REMARK 500 SER A 151 151.97 -45.80 REMARK 500 ASN A 171 76.41 -163.94 REMARK 500 LEU A 192 74.29 44.68 REMARK 500 LEU A 282 32.56 -80.60 REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 315 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 316 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE SO4 A 317 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE EDO A 314 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1HW3 RELATED DB: PDB REMARK 900 THYMIDYLATE SYNTHASE WITHOUT N-TERMINAL EXTENSION. MORE CYS WERE REMARK 900 CONVERTED TO CME. DBREF 1HW4 A 1 313 UNP P04818 TYSY_HUMAN 1 313 SEQADV 1HW4 CME A 43 UNP P04818 CYS 42 MODIFIED RESIDUE SEQADV 1HW4 CME A 180 UNP P04818 CYS 179 MODIFIED RESIDUE SEQADV 1HW4 CME A 199 UNP P04818 CYS 198 CONFLICT SEQRES 1 A 355 MET GLY HIS HIS HIS HIS HIS HIS ASP THR ASP ILE PRO SEQRES 2 A 355 THR THR GLU ASN LEU THR PHE GLN GLY ALA CYS ARG LEU SEQRES 3 A 355 VAL ALA ASN CYS ARG ASP VAL ARG CYS ARG ARG LEU LEU SEQRES 4 A 355 ARG ASN VAL MET PRO VAL ALA GLY SER GLU LEU PRO ARG SEQRES 5 A 355 ARG PRO LEU PRO PRO ALA ALA GLN GLU ARG ASP ALA GLU SEQRES 6 A 355 PRO ARG PRO PRO HIS GLY GLU LEU GLN TYR LEU GLY GLN SEQRES 7 A 355 ILE GLN HIS ILE LEU ARG CME GLY VAL ARG LYS ASP ASP SEQRES 8 A 355 ARG THR GLY THR GLY THR LEU SER VAL PHE GLY MET GLN SEQRES 9 A 355 ALA ARG TYR SER LEU ARG ASP GLU PHE PRO LEU LEU THR SEQRES 10 A 355 THR LYS ARG VAL PHE TRP LYS GLY VAL LEU GLU GLU LEU SEQRES 11 A 355 LEU TRP PHE ILE LYS GLY SER THR ASN ALA LYS GLU LEU SEQRES 12 A 355 SER SER LYS GLY VAL LYS ILE TRP ASP ALA ASN GLY SER SEQRES 13 A 355 ARG ASP PHE LEU ASP SER LEU GLY PHE SER THR ARG GLU SEQRES 14 A 355 GLU GLY ASP LEU GLY PRO VAL TYR GLY PHE GLN TRP ARG SEQRES 15 A 355 HIS PHE GLY ALA GLU TYR ARG ASP MET GLU SER ASP TYR SEQRES 16 A 355 SER GLY GLN GLY VAL ASP GLN LEU GLN ARG VAL ILE ASP SEQRES 17 A 355 THR ILE LYS THR ASN PRO ASP ASP ARG ARG ILE ILE MET SEQRES 18 A 355 CME ALA TRP ASN PRO ARG ASP LEU PRO LEU MET ALA LEU SEQRES 19 A 355 PRO PRO CYS HIS ALA LEU CME GLN PHE TYR VAL VAL ASN SEQRES 20 A 355 SER GLU LEU SER CYS GLN LEU TYR GLN ARG SER GLY ASP SEQRES 21 A 355 MET GLY LEU GLY VAL PRO PHE ASN ILE ALA SER TYR ALA SEQRES 22 A 355 LEU LEU THR TYR MET ILE ALA HIS ILE THR GLY LEU LYS SEQRES 23 A 355 PRO GLY ASP PHE ILE HIS THR LEU GLY ASP ALA HIS ILE SEQRES 24 A 355 TYR LEU ASN HIS ILE GLU PRO LEU LYS ILE GLN LEU GLN SEQRES 25 A 355 ARG GLU PRO ARG PRO PHE PRO LYS LEU ARG ILE LEU ARG SEQRES 26 A 355 LYS VAL GLU LYS ILE ASP ASP PHE LYS ALA GLU ASP PHE SEQRES 27 A 355 GLN ILE GLU GLY TYR ASN PRO HIS PRO THR ILE LYS MET SEQRES 28 A 355 GLU MET ALA VAL MODRES 1HW4 CME A 43 CYS S,S-(2-HYDROXYETHYL)THIOCYSTEINE MODRES 1HW4 CME A 180 CYS S,S-(2-HYDROXYETHYL)THIOCYSTEINE MODRES 1HW4 CME A 199 CYS S,S-(2-HYDROXYETHYL)THIOCYSTEINE HET CME A 43 10 HET CME A 180 10 HET CME A 199 10 HET SO4 A 315 5 HET SO4 A 316 5 HET SO4 A 317 5 HET EDO A 314 4 HETNAM CME S,S-(2-HYDROXYETHYL)THIOCYSTEINE HETNAM SO4 SULFATE ION HETNAM EDO 1,2-ETHANEDIOL HETSYN EDO ETHYLENE GLYCOL FORMUL 1 CME 3(C5 H11 N O3 S2) FORMUL 2 SO4 3(O4 S 2-) FORMUL 5 EDO C2 H6 O2 FORMUL 6 HOH *102(H2 O) HELIX 1 1 GLY A 29 ARG A 42 1 14 HELIX 2 2 PHE A 80 LYS A 93 1 14 HELIX 3 3 ASN A 97 SER A 103 1 7 HELIX 4 4 VAL A 134 PHE A 142 1 9 HELIX 5 5 ASP A 159 ASN A 171 1 13 HELIX 6 6 ASN A 183 LEU A 187 5 5 HELIX 7 7 LEU A 221 THR A 241 1 21 HELIX 8 8 HIS A 261 LEU A 269 1 9 HELIX 9 9 LYS A 287 PHE A 291 5 5 HELIX 10 10 LYS A 292 GLU A 294 5 3 SHEET 1 A 5 VAL A 45 ASP A 48 0 SHEET 2 A 5 GLY A 54 SER A 66 -1 O THR A 55 N LYS A 47 SHEET 3 A 5 LYS A 244 TYR A 258 -1 O PHE A 248 N TYR A 65 SHEET 4 A 5 GLU A 207 ASP A 218 1 O LEU A 208 N GLY A 246 SHEET 5 A 5 ALA A 197 VAL A 204 -1 O LEU A 198 N TYR A 213 SHEET 1 B 2 LYS A 278 ILE A 281 0 SHEET 2 B 2 PHE A 296 GLU A 299 -1 N GLN A 297 O ARG A 280 LINK C ARG A 42 N CME A 43 1555 1555 1.33 LINK C CME A 43 N GLY A 44 1555 1555 1.33 LINK C MET A 179 N CME A 180 1555 1555 1.33 LINK C CME A 180 N ALA A 181 1555 1555 1.33 LINK C LEU A 198 N CME A 199 1555 1555 1.33 LINK C CME A 199 N GLN A 200 1555 1555 1.33 SITE 1 AC1 3 GLU A 272 ARG A 274 HIS A 304 SITE 1 AC2 6 ARG A 50 ARG A 78 ARG A 176 ARG A 185 SITE 2 AC2 6 LEU A 189 THR A 306 SITE 1 AC3 5 ARG A 175 ASN A 183 HIS A 196 ARG A 215 SITE 2 AC3 5 SER A 216 SITE 1 AC4 7 GLN A 36 GLN A 62 ALA A 63 VAL A 223 SITE 2 AC4 7 HIS A 250 LEU A 252 HOH A 332 CRYST1 95.680 95.680 82.998 90.00 90.00 120.00 P 31 2 1 6 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 0.010452 0.006034 0.000000 0.00000 SCALE2 0.000000 0.012068 0.000000 0.00000 SCALE3 0.000000 0.000000 0.012048 0.00000