HEADER METHYLTRANSFERASE 19-JUN-98 1RTS TITLE THYMIDYLATE SYNTHASE FROM RAT IN TERNARY COMPLEX WITH DUMP AND TOMUDEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: THYMIDYLATE SYNTHASE; COMPND 3 CHAIN: A, B; COMPND 4 EC: 2.1.1.45; COMPND 5 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 ORGANISM_SCIENTIFIC: RATTUS NORVEGICUS; SOURCE 3 ORGANISM_COMMON: NORWAY RAT; SOURCE 4 ORGANISM_TAXID: 10116; SOURCE 5 EXPRESSION_SYSTEM: ESCHERICHIA COLI; SOURCE 6 EXPRESSION_SYSTEM_TAXID: 562 KEYWDS THYMIDYLATE SYNTHASE, METHYLTRANSFERASE, DUMP, TOMUDEX, ANTIFOLATE EXPDTA X-RAY DIFFRACTION AUTHOR R.R.SOTELO-MUNDO,J.CIESLA,J.M.DZIK,W.RODE,F.MALEY,G.MALEY,L.W.HARDY, AUTHOR 2 W.R.MONTFORT REVDAT 4 14-FEB-24 1RTS 1 REMARK REVDAT 3 10-OCT-12 1RTS 1 HETSYN VERSN REVDAT 2 24-FEB-09 1RTS 1 VERSN REVDAT 1 16-FEB-99 1RTS 0 JRNL AUTH R.R.SOTELO-MUNDO,J.CIESLA,J.M.DZIK,W.RODE,F.MALEY,G.F.MALEY, JRNL AUTH 2 L.W.HARDY,W.R.MONTFORT JRNL TITL CRYSTAL STRUCTURES OF RAT THYMIDYLATE SYNTHASE INHIBITED BY JRNL TITL 2 TOMUDEX, A POTENT ANTICANCER DRUG. JRNL REF BIOCHEMISTRY V. 38 1087 1999 JRNL REFN ISSN 0006-2960 JRNL PMID 9894005 JRNL DOI 10.1021/BI981881D REMARK 2 REMARK 2 RESOLUTION. 3.30 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : X-PLOR 3.851 REMARK 3 AUTHORS : BRUNGER REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 3.30 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 15.00 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) (%) : 99.9 REMARK 3 NUMBER OF REFLECTIONS : 14246 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) : 0.189 REMARK 3 FREE R VALUE : 0.235 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 5.000 REMARK 3 FREE R VALUE TEST SET COUNT : 719 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.009 REMARK 3 REMARK 3 FIT IN THE HIGHEST RESOLUTION BIN. REMARK 3 TOTAL NUMBER OF BINS USED : 10 REMARK 3 BIN RESOLUTION RANGE HIGH (A) : 3.30 REMARK 3 BIN RESOLUTION RANGE LOW (A) : 3.42 REMARK 3 BIN COMPLETENESS (WORKING+TEST) (%) : 99.60 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 1328 REMARK 3 BIN R VALUE (WORKING SET) : 0.2570 REMARK 3 BIN FREE R VALUE : 0.2800 REMARK 3 BIN FREE R VALUE TEST SET SIZE (%) : 5.20 REMARK 3 BIN FREE R VALUE TEST SET COUNT : 73 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.033 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4551 REMARK 3 NUCLEIC ACID ATOMS : 0 REMARK 3 HETEROGEN ATOMS : 104 REMARK 3 SOLVENT ATOMS : 0 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : NULL REMARK 3 MEAN B VALUE (OVERALL, A**2) : 26.80 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) : 0.31 REMARK 3 ESD FROM SIGMAA (A) : 0.29 REMARK 3 LOW RESOLUTION CUTOFF (A) : 8.00 REMARK 3 REMARK 3 CROSS-VALIDATED ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM C-V LUZZATI PLOT (A) : 0.39 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.36 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.007 REMARK 3 BOND ANGLES (DEGREES) : 1.300 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 24.60 REMARK 3 IMPROPER ANGLES (DEGREES) : 1.160 REMARK 3 REMARK 3 ISOTROPIC THERMAL MODEL : GROUP 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 NCS MODEL : RESTRAINTS 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 : DNA-RNA-MULTI-ENDO.PARAM REMARK 3 PARAMETER FILE 3 : TOMUDEX.PAR REMARK 3 PARAMETER FILE 4 : PARAM19.SOL REMARK 3 PARAMETER FILE 5 : NULL REMARK 3 TOPOLOGY FILE 1 : TOPHCSDX.PRO REMARK 3 TOPOLOGY FILE 2 : DNA-RNA-MULTI-ENDO.TOP REMARK 3 TOPOLOGY FILE 3 : TOMUDEX.TOP REMARK 3 TOPOLOGY FILE 4 : TOPH19.SOL REMARK 3 TOPOLOGY FILE 5 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: RESOLUTION-DEPENDENT WEIGHTING SCHEME REMARK 3 USED. BULK SOLVENT MODEL USED. REMARK 4 REMARK 4 1RTS 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_1000176225. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : SEP-97 REMARK 200 TEMPERATURE (KELVIN) : 103 REMARK 200 PH : 8.5 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 RUH3R REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : 1.5418 REMARK 200 MONOCHROMATOR : GRAPHITE(002) REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : IMAGE PLATE REMARK 200 DETECTOR MANUFACTURER : MARRESEARCH REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 14261 REMARK 200 RESOLUTION RANGE HIGH (A) : 3.300 REMARK 200 RESOLUTION RANGE LOW (A) : 15.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : 0.000 REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : 100.0 REMARK 200 DATA REDUNDANCY : 5.580 REMARK 200 R MERGE (I) : 0.08000 REMARK 200 R SYM (I) : 0.08000 REMARK 200 FOR THE DATA SET : 18.0000 REMARK 200 REMARK 200 IN THE HIGHEST RESOLUTION SHELL. REMARK 200 HIGHEST RESOLUTION SHELL, RANGE HIGH (A) : 3.30 REMARK 200 HIGHEST RESOLUTION SHELL, RANGE LOW (A) : 3.42 REMARK 200 COMPLETENESS FOR SHELL (%) : 100.0 REMARK 200 DATA REDUNDANCY IN SHELL : 5.58 REMARK 200 R MERGE FOR SHELL (I) : 0.01400 REMARK 200 R SYM FOR SHELL (I) : 0.01400 REMARK 200 FOR SHELL : 11.30 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: NULL REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: X-PLOR 3.851 REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 37.20 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 3.57 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PH 8.5 REMARK 290 REMARK 290 CRYSTALLOGRAPHIC SYMMETRY REMARK 290 SYMMETRY OPERATORS FOR SPACE GROUP: C 1 2 1 REMARK 290 REMARK 290 SYMOP SYMMETRY REMARK 290 NNNMMM OPERATOR REMARK 290 1555 X,Y,Z REMARK 290 2555 -X,Y,-Z REMARK 290 3555 X+1/2,Y+1/2,Z 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 0.00000 REMARK 290 SMTRY2 2 0.000000 1.000000 0.000000 0.00000 REMARK 290 SMTRY3 2 0.000000 0.000000 -1.000000 0.00000 REMARK 290 SMTRY1 3 1.000000 0.000000 0.000000 79.80000 REMARK 290 SMTRY2 3 0.000000 1.000000 0.000000 44.25000 REMARK 290 SMTRY3 3 0.000000 0.000000 1.000000 0.00000 REMARK 290 SMTRY1 4 -1.000000 0.000000 0.000000 79.80000 REMARK 290 SMTRY2 4 0.000000 1.000000 0.000000 44.25000 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: 7420 ANGSTROM**2 REMARK 350 SURFACE AREA OF THE COMPLEX: 21670 ANGSTROM**2 REMARK 350 CHANGE IN SOLVENT FREE ENERGY: -30.0 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 LEU A 2 REMARK 465 VAL A 3 REMARK 465 GLU A 4 REMARK 465 GLY A 5 REMARK 465 SER A 6 REMARK 465 GLU A 7 REMARK 465 LEU A 8 REMARK 465 GLN A 9 REMARK 465 SER A 10 REMARK 465 GLY A 11 REMARK 465 ALA A 12 REMARK 465 GLN A 13 REMARK 465 GLN A 14 REMARK 465 PRO A 15 REMARK 465 ARG A 16 REMARK 465 THR A 17 REMARK 465 GLU A 18 REMARK 465 ALA A 19 REMARK 465 PRO A 20 REMARK 465 ILE A 301 REMARK 465 LYS A 302 REMARK 465 MET A 303 REMARK 465 GLU A 304 REMARK 465 MET A 305 REMARK 465 ALA A 306 REMARK 465 VAL A 307 REMARK 465 MET B 1 REMARK 465 LEU B 2 REMARK 465 VAL B 3 REMARK 465 GLU B 4 REMARK 465 GLY B 5 REMARK 465 SER B 6 REMARK 465 GLU B 7 REMARK 465 LEU B 8 REMARK 465 GLN B 9 REMARK 465 SER B 10 REMARK 465 GLY B 11 REMARK 465 ALA B 12 REMARK 465 GLN B 13 REMARK 465 GLN B 14 REMARK 465 PRO B 15 REMARK 465 ARG B 16 REMARK 465 THR B 17 REMARK 465 GLU B 18 REMARK 465 ALA B 19 REMARK 465 PRO B 20 REMARK 465 GLU B 304 REMARK 465 MET B 305 REMARK 465 ALA B 306 REMARK 465 VAL B 307 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 LEU A 192 CA - CB - CG ANGL. DEV. = 14.5 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 PRO A 66 52.42 -68.62 REMARK 500 SER A 114 2.02 -67.57 REMARK 500 LYS A 141 -79.00 -108.09 REMARK 500 HIS A 190 79.56 -105.78 REMARK 500 LEU A 215 -74.56 -136.99 REMARK 500 PRO A 271 -167.48 -72.56 REMARK 500 PRO A 299 -128.70 -60.58 REMARK 500 PRO B 66 47.46 -66.83 REMARK 500 PRO B 127 64.96 -69.99 REMARK 500 LYS B 141 -81.90 -107.06 REMARK 500 LEU B 215 -53.43 -140.61 REMARK 500 PRO B 271 -167.78 -71.43 REMARK 500 REMARK 500 REMARK: NULL REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: PLANAR GROUPS REMARK 500 REMARK 500 PLANAR GROUPS IN THE FOLLOWING RESIDUES HAVE A TOTAL REMARK 500 RMS DISTANCE OF ALL ATOMS FROM THE BEST-FIT PLANE REMARK 500 BY MORE THAN AN EXPECTED VALUE OF 6*RMSD, WITH AN REMARK 500 RMSD 0.02 ANGSTROMS, OR AT LEAST ONE ATOM HAS REMARK 500 AN RMSD GREATER THAN THIS VALUE REMARK 500 (M=MODEL NUMBER; RES=RESIDUE NAME; C=CHAIN IDENTIFIER; REMARK 500 SSEQ=SEQUENCE NUMBER; I=INSERTION CODE). REMARK 500 REMARK 500 M RES CSSEQI RMS TYPE REMARK 500 TYR A 207 0.06 SIDE CHAIN REMARK 500 REMARK 500 REMARK: NULL REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: NUL REMARK 800 EVIDENCE_CODE: UNKNOWN REMARK 800 SITE_DESCRIPTION: CATALYTIC RESIDUE, EQUIVALENT TO C146 IN E. COLI REMARK 800 THYMIDYLATE SYNTHASE. REMARK 800 REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UMP A 308 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE UMP B 408 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE D16 A 309 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE D16 B 409 DBREF 1RTS A 1 307 UNP P45352 TYSY_RAT 1 307 DBREF 1RTS B 1 307 UNP P45352 TYSY_RAT 1 307 SEQRES 1 A 307 MET LEU VAL GLU GLY SER GLU LEU GLN SER GLY ALA GLN SEQRES 2 A 307 GLN PRO ARG THR GLU ALA PRO GLN HIS GLY GLU LEU GLN SEQRES 3 A 307 TYR LEU ARG GLN VAL GLU HIS ILE MET ARG CYS GLY PHE SEQRES 4 A 307 LYS LYS GLU ASP ARG THR GLY THR GLY THR LEU SER VAL SEQRES 5 A 307 PHE GLY MET GLN ALA ARG TYR SER LEU ARG ASP GLU PHE SEQRES 6 A 307 PRO LEU LEU THR THR LYS ARG VAL PHE TRP LYS GLY VAL SEQRES 7 A 307 LEU GLU GLU LEU LEU TRP PHE ILE LYS GLY SER THR ASN SEQRES 8 A 307 ALA LYS GLU LEU SER SER LYS GLY VAL ARG ILE TRP ASP SEQRES 9 A 307 ALA ASN GLY SER ARG ASP PHE LEU ASP SER LEU GLY PHE SEQRES 10 A 307 SER ALA ARG GLN GLU GLY ASP LEU GLY PRO VAL TYR GLY SEQRES 11 A 307 PHE GLN TRP ARG HIS PHE GLY ALA ASP TYR LYS ASP MET SEQRES 12 A 307 ASP SER ASP TYR SER GLY GLN GLY VAL ASP GLN LEU GLN SEQRES 13 A 307 LYS VAL ILE ASP THR ILE LYS THR ASN PRO ASP ASP ARG SEQRES 14 A 307 ARG ILE ILE MET CYS ALA TRP ASN PRO LYS ASP LEU PRO SEQRES 15 A 307 LEU MET ALA LEU PRO PRO CYS HIS ALA LEU CYS GLN PHE SEQRES 16 A 307 TYR VAL VAL ASN GLY GLU LEU SER CYS GLN LEU TYR GLN SEQRES 17 A 307 ARG SER GLY ASP MET GLY LEU GLY VAL PRO PHE ASN ILE SEQRES 18 A 307 ALA SER TYR ALA LEU LEU THR TYR MET ILE ALA HIS ILE SEQRES 19 A 307 THR GLY LEU GLN PRO GLY ASP PHE VAL HIS THR LEU GLY SEQRES 20 A 307 ASP ALA HIS ILE TYR LEU ASN HIS ILE GLU PRO LEU LYS SEQRES 21 A 307 ILE GLN LEU GLN ARG GLU PRO ARG PRO PHE PRO LYS LEU SEQRES 22 A 307 ARG ILE LEU ARG LYS VAL GLU THR ILE ASP ASP PHE LYS SEQRES 23 A 307 VAL GLU ASP PHE GLN ILE GLU GLY TYR ASN PRO HIS PRO SEQRES 24 A 307 THR ILE LYS MET GLU MET ALA VAL SEQRES 1 B 307 MET LEU VAL GLU GLY SER GLU LEU GLN SER GLY ALA GLN SEQRES 2 B 307 GLN PRO ARG THR GLU ALA PRO GLN HIS GLY GLU LEU GLN SEQRES 3 B 307 TYR LEU ARG GLN VAL GLU HIS ILE MET ARG CYS GLY PHE SEQRES 4 B 307 LYS LYS GLU ASP ARG THR GLY THR GLY THR LEU SER VAL SEQRES 5 B 307 PHE GLY MET GLN ALA ARG TYR SER LEU ARG ASP GLU PHE SEQRES 6 B 307 PRO LEU LEU THR THR LYS ARG VAL PHE TRP LYS GLY VAL SEQRES 7 B 307 LEU GLU GLU LEU LEU TRP PHE ILE LYS GLY SER THR ASN SEQRES 8 B 307 ALA LYS GLU LEU SER SER LYS GLY VAL ARG ILE TRP ASP SEQRES 9 B 307 ALA ASN GLY SER ARG ASP PHE LEU ASP SER LEU GLY PHE SEQRES 10 B 307 SER ALA ARG GLN GLU GLY ASP LEU GLY PRO VAL TYR GLY SEQRES 11 B 307 PHE GLN TRP ARG HIS PHE GLY ALA ASP TYR LYS ASP MET SEQRES 12 B 307 ASP SER ASP TYR SER GLY GLN GLY VAL ASP GLN LEU GLN SEQRES 13 B 307 LYS VAL ILE ASP THR ILE LYS THR ASN PRO ASP ASP ARG SEQRES 14 B 307 ARG ILE ILE MET CYS ALA TRP ASN PRO LYS ASP LEU PRO SEQRES 15 B 307 LEU MET ALA LEU PRO PRO CYS HIS ALA LEU CYS GLN PHE SEQRES 16 B 307 TYR VAL VAL ASN GLY GLU LEU SER CYS GLN LEU TYR GLN SEQRES 17 B 307 ARG SER GLY ASP MET GLY LEU GLY VAL PRO PHE ASN ILE SEQRES 18 B 307 ALA SER TYR ALA LEU LEU THR TYR MET ILE ALA HIS ILE SEQRES 19 B 307 THR GLY LEU GLN PRO GLY ASP PHE VAL HIS THR LEU GLY SEQRES 20 B 307 ASP ALA HIS ILE TYR LEU ASN HIS ILE GLU PRO LEU LYS SEQRES 21 B 307 ILE GLN LEU GLN ARG GLU PRO ARG PRO PHE PRO LYS LEU SEQRES 22 B 307 ARG ILE LEU ARG LYS VAL GLU THR ILE ASP ASP PHE LYS SEQRES 23 B 307 VAL GLU ASP PHE GLN ILE GLU GLY TYR ASN PRO HIS PRO SEQRES 24 B 307 THR ILE LYS MET GLU MET ALA VAL HET UMP A 308 20 HET D16 A 309 32 HET UMP B 408 20 HET D16 B 409 32 HETNAM UMP 2'-DEOXYURIDINE 5'-MONOPHOSPHATE HETNAM D16 TOMUDEX HETSYN UMP DUMP HETSYN D16 ZD1694; RALTITREXED FORMUL 3 UMP 2(C9 H13 N2 O8 P) FORMUL 4 D16 2(C21 H22 N4 O6 S) HELIX 1 1 GLY A 23 CYS A 37 5 15 HELIX 2 2 TRP A 75 ILE A 86 1 12 HELIX 3 3 ALA A 92 SER A 96 1 5 HELIX 4 4 ALA A 105 GLY A 107 5 3 HELIX 5 5 ARG A 109 ASP A 113 1 5 HELIX 6 6 TYR A 129 HIS A 135 1 7 HELIX 7 7 GLN A 154 THR A 164 1 11 HELIX 8 8 LEU A 181 LEU A 183 5 3 HELIX 9 9 GLY A 216 THR A 235 1 20 HELIX 10 10 ILE A 256 GLN A 264 1 9 HELIX 11 11 ILE A 282 ASP A 284 5 3 HELIX 12 12 VAL A 287 ASP A 289 5 3 HELIX 13 13 GLY B 23 CYS B 37 5 15 HELIX 14 14 TRP B 75 ILE B 86 1 12 HELIX 15 15 ALA B 92 SER B 96 1 5 HELIX 16 16 ALA B 105 GLY B 107 5 3 HELIX 17 17 ARG B 109 ASP B 113 1 5 HELIX 18 18 TYR B 129 HIS B 135 1 7 HELIX 19 19 GLN B 154 THR B 164 1 11 HELIX 20 20 LEU B 181 LEU B 183 5 3 HELIX 21 21 GLY B 216 THR B 235 1 20 HELIX 22 22 ILE B 256 GLN B 262 1 7 HELIX 23 23 ILE B 282 ASP B 284 5 3 HELIX 24 24 VAL B 287 ASP B 289 5 3 SHEET 1 A 4 PHE A 39 LYS A 41 0 SHEET 2 A 4 THR A 49 PHE A 53 -1 N SER A 51 O PHE A 39 SHEET 3 A 4 ASP A 248 TYR A 252 -1 N ILE A 251 O LEU A 50 SHEET 4 A 4 SER A 210 ASP A 212 1 N GLY A 211 O ASP A 248 SHEET 1 B 5 MET A 55 SER A 60 0 SHEET 2 B 5 ASP A 241 LEU A 246 -1 N LEU A 246 O MET A 55 SHEET 3 B 5 GLU A 201 GLN A 208 1 N CYS A 204 O VAL A 243 SHEET 4 B 5 HIS A 190 VAL A 198 -1 N VAL A 198 O GLU A 201 SHEET 5 B 5 ILE A 172 CYS A 174 -1 N MET A 173 O CYS A 193 SHEET 1 C 2 LYS A 272 ILE A 275 0 SHEET 2 C 2 PHE A 290 GLU A 293 -1 N GLU A 293 O LYS A 272 SHEET 1 D 4 PHE B 39 LYS B 41 0 SHEET 2 D 4 THR B 49 PHE B 53 -1 N SER B 51 O PHE B 39 SHEET 3 D 4 ASP B 248 TYR B 252 -1 N ILE B 251 O LEU B 50 SHEET 4 D 4 SER B 210 ASP B 212 1 N GLY B 211 O ASP B 248 SHEET 1 E 5 MET B 55 SER B 60 0 SHEET 2 E 5 ASP B 241 LEU B 246 -1 N LEU B 246 O MET B 55 SHEET 3 E 5 GLU B 201 GLN B 208 1 N CYS B 204 O VAL B 243 SHEET 4 E 5 HIS B 190 VAL B 198 -1 N VAL B 198 O GLU B 201 SHEET 5 E 5 ILE B 172 CYS B 174 -1 N MET B 173 O CYS B 193 SHEET 1 F 2 LYS B 272 ILE B 275 0 SHEET 2 F 2 PHE B 290 GLU B 293 -1 N GLU B 293 O LYS B 272 SITE 1 NUL 1 CYS A 189 SITE 1 AC1 15 ARG A 44 LEU A 186 CYS A 189 HIS A 190 SITE 2 AC1 15 ARG A 209 SER A 210 GLY A 211 ASP A 212 SITE 3 AC1 15 GLY A 216 ASN A 220 HIS A 250 TYR A 252 SITE 4 AC1 15 D16 A 309 ARG B 169 ARG B 170 SITE 1 AC2 13 ARG A 169 ARG A 170 ARG B 44 CYS B 189 SITE 2 AC2 13 HIS B 190 ARG B 209 SER B 210 GLY B 211 SITE 3 AC2 13 ASP B 212 ASN B 220 HIS B 250 TYR B 252 SITE 4 AC2 13 D16 B 409 SITE 1 AC3 9 PHE A 74 ILE A 102 TRP A 103 ASP A 212 SITE 2 AC3 9 LEU A 215 GLY A 216 PHE A 219 TYR A 252 SITE 3 AC3 9 UMP A 308 SITE 1 AC4 7 PHE B 74 ARG B 101 ASP B 212 GLY B 216 SITE 2 AC4 7 PHE B 219 TYR B 252 UMP B 408 CRYST1 159.600 88.500 68.800 90.00 97.80 90.00 C 1 2 1 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 0.006266 0.000000 0.000858 0.00000 SCALE2 0.000000 0.011299 0.000000 0.00000 SCALE3 0.000000 0.000000 0.014671 0.00000