PDB Short entry for 1K4T HEADER ISOMERASE/DNA 08-OCT-01 1K4T TITLE HUMAN DNA TOPOISOMERASE I (70 KDA) IN COMPLEX WITH THE POISON TITLE 2 TOPOTECAN AND COVALENT COMPLEX WITH A 22 BASE PAIR DNA DUPLEX COMPND MOL_ID: 1; COMPND 2 MOLECULE: 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*T)-3'; COMPND 3 CHAIN: B; COMPND 4 ENGINEERED: YES; COMPND 5 MOL_ID: 2; COMPND 6 MOLECULE: 5'-D(*(TGP)P*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3'; COMPND 7 CHAIN: C; COMPND 8 ENGINEERED: YES; COMPND 9 MOL_ID: 3; COMPND 10 MOLECULE: 5'-D(*AP*AP*AP*AP*AP*TP*TP*TP*TP*TP*CP*CP*AP*AP*GP*TP*CP*TP COMPND 11 *TP*TP*TP*T)-3'; COMPND 12 CHAIN: D; COMPND 13 ENGINEERED: YES; COMPND 14 MOL_ID: 4; COMPND 15 MOLECULE: DNA TOPOISOMERASE I; COMPND 16 CHAIN: A; COMPND 17 FRAGMENT: CORE DOMAIN AND C-TERMINAL DOMAIN, RESIDUES 174-765; COMPND 18 EC: 5.99.1.2; COMPND 19 ENGINEERED: YES SOURCE MOL_ID: 1; SOURCE 2 SYNTHETIC: YES; SOURCE 3 MOL_ID: 2; SOURCE 4 SYNTHETIC: YES; SOURCE 5 MOL_ID: 3; SOURCE 6 SYNTHETIC: YES; SOURCE 7 MOL_ID: 4; SOURCE 8 ORGANISM_SCIENTIFIC: HOMO SAPIENS; SOURCE 9 ORGANISM_COMMON: HUMAN; SOURCE 10 ORGANISM_TAXID: 9606; SOURCE 11 EXPRESSION_SYSTEM: SPODOPTERA FRUGIPERDA; SOURCE 12 EXPRESSION_SYSTEM_COMMON: FALL ARMYWORM; SOURCE 13 EXPRESSION_SYSTEM_TAXID: 7108; SOURCE 14 EXPRESSION_SYSTEM_VECTOR_TYPE: BACULOVIRUS; SOURCE 15 EXPRESSION_SYSTEM_VECTOR: PFACTBAC1 KEYWDS COMPLEX (ISOMERASE-DNA), DNA, TOPOISOMERASE I, DRUG, POISON, KEYWDS 2 ISOMERASE-DNA COMPLEX EXPDTA X-RAY DIFFRACTION AUTHOR B.L.STAKER,K.HJERRILD,M.D.FEESE,C.A.BEHNKE,A.B.BURGIN JR.,L.J.STEWART REVDAT 3 15-NOV-23 1K4T 1 REMARK SEQADV LINK REVDAT 2 24-FEB-09 1K4T 1 VERSN REVDAT 1 04-DEC-02 1K4T 0 JRNL AUTH B.L.STAKER,K.HJERRILD,M.D.FEESE,C.A.BEHNKE,A.B.BURGIN JR., JRNL AUTH 2 L.J.STEWART JRNL TITL THE MECHANISM OF TOPOISOMERASE I POISONING BY A CAMPTOTHECIN JRNL TITL 2 ANALOG JRNL REF PROC.NATL.ACAD.SCI.USA V. 99 15387 2002 JRNL REFN ISSN 0027-8424 JRNL PMID 12426403 JRNL DOI 10.1073/PNAS.242259599 REMARK 2 REMARK 2 RESOLUTION. 2.10 ANGSTROMS. REMARK 3 REMARK 3 REFINEMENT. REMARK 3 PROGRAM : CNX REMARK 3 AUTHORS : BRUNGER,ADAMS,CLORE,DELANO,GROS,GROSSE- REMARK 3 : KUNSTLEVE,JIANG,KUSZEWSKI,NILGES,PANNU, REMARK 3 : READ,RICE,SIMONSON,WARREN,ACCELRYS REMARK 3 : SOFTWARE INC.(BADGER,BERARD,KUMAR,SZALMA, REMARK 3 : YIP,DZAKULA) REMARK 3 REMARK 3 DATA USED IN REFINEMENT. REMARK 3 RESOLUTION RANGE HIGH (ANGSTROMS) : 2.10 REMARK 3 RESOLUTION RANGE LOW (ANGSTROMS) : 19.89 REMARK 3 DATA CUTOFF (SIGMA(F)) : 0.000 REMARK 3 DATA CUTOFF HIGH (ABS(F)) : NULL REMARK 3 DATA CUTOFF LOW (ABS(F)) : NULL REMARK 3 COMPLETENESS (WORKING+TEST) (%) : 80.2 REMARK 3 NUMBER OF REFLECTIONS : 45727 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 + TEST SET) : 0.229 REMARK 3 R VALUE (WORKING SET) : 0.229 REMARK 3 FREE R VALUE : 0.269 REMARK 3 FREE R VALUE TEST SET SIZE (%) : 9.600 REMARK 3 FREE R VALUE TEST SET COUNT : 4384 REMARK 3 ESTIMATED ERROR OF FREE R VALUE : 0.004 REMARK 3 REMARK 3 FIT/AGREEMENT OF MODEL WITH ALL DATA. REMARK 3 R VALUE (WORKING + TEST SET, NO CUTOFF) : NULL REMARK 3 R VALUE (WORKING SET, NO CUTOFF) : NULL REMARK 3 FREE R VALUE (NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET SIZE (%, NO CUTOFF) : NULL REMARK 3 FREE R VALUE TEST SET COUNT (NO CUTOFF) : NULL REMARK 3 ESTIMATED ERROR OF FREE R VALUE (NO CUTOFF) : NULL REMARK 3 TOTAL NUMBER OF REFLECTIONS (NO CUTOFF) : 45727 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) (%) : 44.50 REMARK 3 REFLECTIONS IN BIN (WORKING SET) : 3811 REMARK 3 BIN R VALUE (WORKING SET) : 0.3060 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 : 413 REMARK 3 ESTIMATED ERROR OF BIN FREE R VALUE : 0.018 REMARK 3 REMARK 3 NUMBER OF NON-HYDROGEN ATOMS USED IN REFINEMENT. REMARK 3 PROTEIN ATOMS : 4687 REMARK 3 NUCLEIC ACID ATOMS : 892 REMARK 3 HETEROGEN ATOMS : 77 REMARK 3 SOLVENT ATOMS : 227 REMARK 3 REMARK 3 B VALUES. REMARK 3 FROM WILSON PLOT (A**2) : 18.10 REMARK 3 MEAN B VALUE (OVERALL, A**2) : 40.10 REMARK 3 OVERALL ANISOTROPIC B VALUE. REMARK 3 B11 (A**2) : -2.67000 REMARK 3 B22 (A**2) : -1.96000 REMARK 3 B33 (A**2) : 4.62000 REMARK 3 B12 (A**2) : 0.00000 REMARK 3 B13 (A**2) : 1.41000 REMARK 3 B23 (A**2) : 0.00000 REMARK 3 REMARK 3 ESTIMATED COORDINATE ERROR. REMARK 3 ESD FROM LUZZATI PLOT (A) : 0.30 REMARK 3 ESD FROM SIGMAA (A) : 0.29 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) : 0.36 REMARK 3 ESD FROM C-V SIGMAA (A) : 0.34 REMARK 3 REMARK 3 RMS DEVIATIONS FROM IDEAL VALUES. REMARK 3 BOND LENGTHS (A) : 0.006 REMARK 3 BOND ANGLES (DEGREES) : 1.200 REMARK 3 DIHEDRAL ANGLES (DEGREES) : 21.10 REMARK 3 IMPROPER ANGLES (DEGREES) : 3.590 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) : 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 BULK SOLVENT MODELING. REMARK 3 METHOD USED : FLAT MODEL REMARK 3 KSOL : 0.30 REMARK 3 BSOL : 22.62 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.PARAM REMARK 3 PARAMETER FILE 2 : DNA-RNA.PARAM REMARK 3 PARAMETER FILE 3 : TTC_PAR.PARAM REMARK 3 PARAMETER FILE 4 : WATER.PARAM REMARK 3 PARAMETER FILE 5 : ION.PARAM REMARK 3 PARAMETER FILE 6 : NULL REMARK 3 TOPOLOGY FILE 1 : PROTEIN.TOP REMARK 3 TOPOLOGY FILE 2 : DNA-RNA.TOP REMARK 3 TOPOLOGY FILE 3 : TTC_TOP.TOP REMARK 3 TOPOLOGY FILE 4 : WATER.TOP REMARK 3 TOPOLOGY FILE 5 : ION.TOP REMARK 3 TOPOLOGY FILE 6 : NULL REMARK 3 REMARK 3 OTHER REFINEMENT REMARKS: NULL REMARK 4 REMARK 4 1K4T COMPLIES WITH FORMAT V. 3.30, 13-JUL-11 REMARK 100 REMARK 100 THIS ENTRY HAS BEEN PROCESSED BY RCSB ON 06-DEC-01. REMARK 100 THE DEPOSITION ID IS D_1000014561. REMARK 200 REMARK 200 EXPERIMENTAL DETAILS REMARK 200 EXPERIMENT TYPE : X-RAY DIFFRACTION REMARK 200 DATE OF DATA COLLECTION : NULL REMARK 200 TEMPERATURE (KELVIN) : 100 REMARK 200 PH : 6.5 REMARK 200 NUMBER OF CRYSTALS USED : 1 REMARK 200 REMARK 200 SYNCHROTRON (Y/N) : Y REMARK 200 RADIATION SOURCE : NSLS REMARK 200 BEAMLINE : X25 REMARK 200 X-RAY GENERATOR MODEL : NULL REMARK 200 MONOCHROMATIC OR LAUE (M/L) : M REMARK 200 WAVELENGTH OR RANGE (A) : NULL REMARK 200 MONOCHROMATOR : NULL REMARK 200 OPTICS : NULL REMARK 200 REMARK 200 DETECTOR TYPE : CCD REMARK 200 DETECTOR MANUFACTURER : NULL REMARK 200 INTENSITY-INTEGRATION SOFTWARE : DENZO REMARK 200 DATA SCALING SOFTWARE : SCALEPACK REMARK 200 REMARK 200 NUMBER OF UNIQUE REFLECTIONS : 46866 REMARK 200 RESOLUTION RANGE HIGH (A) : 2.100 REMARK 200 RESOLUTION RANGE LOW (A) : 20.000 REMARK 200 REJECTION CRITERIA (SIGMA(I)) : NULL REMARK 200 REMARK 200 OVERALL. REMARK 200 COMPLETENESS FOR RANGE (%) : NULL REMARK 200 DATA REDUNDANCY : NULL REMARK 200 R MERGE (I) : NULL REMARK 200 R SYM (I) : 0.06200 REMARK 200 <I/SIGMA(I)> FOR THE DATA SET : 18.6000 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) : 2.15 REMARK 200 COMPLETENESS FOR SHELL (%) : 32.8 REMARK 200 DATA REDUNDANCY IN SHELL : NULL REMARK 200 R MERGE FOR SHELL (I) : NULL REMARK 200 R SYM FOR SHELL (I) : 0.32500 REMARK 200 <I/SIGMA(I)> FOR SHELL : 1.710 REMARK 200 REMARK 200 DIFFRACTION PROTOCOL: SINGLE WAVELENGTH REMARK 200 METHOD USED TO DETERMINE THE STRUCTURE: MOLECULAR REPLACEMENT REMARK 200 SOFTWARE USED: CNX REMARK 200 STARTING MODEL: NULL REMARK 200 REMARK 200 REMARK: NULL REMARK 280 REMARK 280 CRYSTAL REMARK 280 SOLVENT CONTENT, VS (%): 58.43 REMARK 280 MATTHEWS COEFFICIENT, VM (ANGSTROMS**3/DA): 2.96 REMARK 280 REMARK 280 CRYSTALLIZATION CONDITIONS: PEG 8000, AMMONIUM SULFATE, MES, PH REMARK 280 6.5, VAPOR DIFFUSION, SITTING DROP, TEMPERATURE 289K 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 58.13000 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: TETRAMERIC REMARK 350 APPLY THE FOLLOWING TO CHAINS: B, C, D, 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 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 LYS A 174 REMARK 465 LYS A 175 REMARK 465 PRO A 176 REMARK 465 LYS A 177 REMARK 465 ASN A 178 REMARK 465 LYS A 179 REMARK 465 ASP A 180 REMARK 465 LYS A 181 REMARK 465 ASP A 182 REMARK 465 LYS A 183 REMARK 465 LYS A 184 REMARK 465 VAL A 185 REMARK 465 PRO A 186 REMARK 465 GLU A 187 REMARK 465 PRO A 188 REMARK 465 ASP A 189 REMARK 465 ASN A 190 REMARK 465 LYS A 191 REMARK 465 LYS A 192 REMARK 465 LYS A 193 REMARK 465 LYS A 194 REMARK 465 PRO A 195 REMARK 465 LYS A 196 REMARK 465 LYS A 197 REMARK 465 GLU A 198 REMARK 465 GLU A 199 REMARK 465 GLU A 200 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 GLN A 201 CG CD OE1 NE2 REMARK 470 LYS A 202 CG CD CE NZ REMARK 470 THR A 639 OG1 CG2 REMARK 470 PHE A 640 CG CD1 CD2 CE1 CE2 CZ REMARK 500 REMARK 500 GEOMETRY AND STEREOCHEMISTRY REMARK 500 SUBTOPIC: CLOSE CONTACTS IN SAME ASYMMETRIC UNIT REMARK 500 REMARK 500 THE FOLLOWING ATOMS ARE IN CLOSE CONTACT. REMARK 500 REMARK 500 ATM1 RES C SSEQI ATM2 RES C SSEQI DISTANCE REMARK 500 O22 TTG C 991 O HOH C 133 2.15 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 LYS A 202 97.28 61.35 REMARK 500 PRO A 212 172.68 -48.80 REMARK 500 ASP A 344 85.45 41.28 REMARK 500 ASN A 345 -13.80 70.08 REMARK 500 CYS A 453 11.54 -142.94 REMARK 500 PHE A 565 73.68 -104.18 REMARK 500 PRO A 637 92.43 -40.06 REMARK 500 LYS A 638 70.37 1.60 REMARK 500 THR A 639 -13.07 60.18 REMARK 500 LYS A 642 5.32 -67.91 REMARK 500 MET A 675 68.87 65.97 REMARK 500 MET A 758 74.22 -108.54 REMARK 500 ALA A 759 118.30 177.74 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 DC D 112 0.09 SIDE CHAIN 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 HG A 900 HG REMARK 620 N RES CSSEQI ATOM REMARK 620 1 ARG A 590 O REMARK 620 2 CYS A 630 SG 109.2 REMARK 620 N 1 REMARK 800 REMARK 800 SITE REMARK 800 SITE_IDENTIFIER: AC1 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TTC D 990 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC2 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE HG A 900 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC3 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE TTG C 991 REMARK 800 REMARK 800 SITE_IDENTIFIER: AC4 REMARK 800 EVIDENCE_CODE: SOFTWARE REMARK 800 SITE_DESCRIPTION: BINDING SITE FOR RESIDUE PG4 A 901 REMARK 900 REMARK 900 RELATED ENTRIES REMARK 900 RELATED ID: 1A35 RELATED DB: PDB REMARK 900 HUMAN RECONSTITUTED DNA TOPOISOMERASE I IN NON-COVALENT COMPLEX REMARK 900 WITH A 22 BASE PAIR DNA DUPLEX REMARK 900 RELATED ID: 1A31 RELATED DB: PDB REMARK 900 HUMAN RECONSTITUTED DNA TOPOISOMERASE I IN COVALENT COMPLEX WITH A REMARK 900 22 BASE PAIR DNA DUPLEX REMARK 900 RELATED ID: 1A36 RELATED DB: PDB REMARK 900 HUMAN DNA TOPOISOMERASE I (70 KDA) IN NON-COVALENT COMPLEX WITH A REMARK 900 22 BASE PAIR DNA DUPLEX REMARK 900 RELATED ID: 1K4S RELATED DB: PDB REMARK 900 HUMAN DNA TOPOISOMERASE I IN COVALENT COMPLEX WITH A 22 BASE PAIR REMARK 900 DNA DUPLEX DBREF 1K4T A 174 765 UNP P11387 TOP1_HUMAN 174 765 DBREF 1K4T B 1 10 PDB 1K4T 1K4T 1 10 DBREF 1K4T C 11 22 PDB 1K4T 1K4T 11 22 DBREF 1K4T D 101 122 PDB 1K4T 1K4T 101 122 SEQADV 1K4T PTR A 723 UNP P11387 TYR 723 MODIFIED RESIDUE SEQRES 1 B 10 DA DA DA DA DA DG DA DC DT DT SEQRES 1 C 12 TGP DG DA DA DA DA DA DT DT DT DT DT SEQRES 1 D 22 DA DA DA DA DA DT DT DT DT DT DC DC DA SEQRES 2 D 22 DA DG DT DC DT DT DT DT DT SEQRES 1 A 592 LYS LYS PRO LYS ASN LYS ASP LYS ASP LYS LYS VAL PRO SEQRES 2 A 592 GLU PRO ASP ASN LYS LYS LYS LYS PRO LYS LYS GLU GLU SEQRES 3 A 592 GLU GLN LYS TRP LYS TRP TRP GLU GLU GLU ARG TYR PRO SEQRES 4 A 592 GLU GLY ILE LYS TRP LYS PHE LEU GLU HIS LYS GLY PRO SEQRES 5 A 592 VAL PHE ALA PRO PRO TYR GLU PRO LEU PRO GLU ASN VAL SEQRES 6 A 592 LYS PHE TYR TYR ASP GLY LYS VAL MET LYS LEU SER PRO SEQRES 7 A 592 LYS ALA GLU GLU VAL ALA THR PHE PHE ALA LYS MET LEU SEQRES 8 A 592 ASP HIS GLU TYR THR THR LYS GLU ILE PHE ARG LYS ASN SEQRES 9 A 592 PHE PHE LYS ASP TRP ARG LYS GLU MET THR ASN GLU GLU SEQRES 10 A 592 LYS ASN ILE ILE THR ASN LEU SER LYS CYS ASP PHE THR SEQRES 11 A 592 GLN MET SER GLN TYR PHE LYS ALA GLN THR GLU ALA ARG SEQRES 12 A 592 LYS GLN MET SER LYS GLU GLU LYS LEU LYS ILE LYS GLU SEQRES 13 A 592 GLU ASN GLU LYS LEU LEU LYS GLU TYR GLY PHE CYS ILE SEQRES 14 A 592 MET ASP ASN HIS LYS GLU ARG ILE ALA ASN PHE LYS ILE SEQRES 15 A 592 GLU PRO PRO GLY LEU PHE ARG GLY ARG GLY ASN HIS PRO SEQRES 16 A 592 LYS MET GLY MET LEU LYS ARG ARG ILE MET PRO GLU ASP SEQRES 17 A 592 ILE ILE ILE ASN CYS SER LYS ASP ALA LYS VAL PRO SER SEQRES 18 A 592 PRO PRO PRO GLY HIS LYS TRP LYS GLU VAL ARG HIS ASP SEQRES 19 A 592 ASN LYS VAL THR TRP LEU VAL SER TRP THR GLU ASN ILE SEQRES 20 A 592 GLN GLY SER ILE LYS TYR ILE MET LEU ASN PRO SER SER SEQRES 21 A 592 ARG ILE LYS GLY GLU LYS ASP TRP GLN LYS TYR GLU THR SEQRES 22 A 592 ALA ARG ARG LEU LYS LYS CYS VAL ASP LYS ILE ARG ASN SEQRES 23 A 592 GLN TYR ARG GLU ASP TRP LYS SER LYS GLU MET LYS VAL SEQRES 24 A 592 ARG GLN ARG ALA VAL ALA LEU TYR PHE ILE ASP LYS LEU SEQRES 25 A 592 ALA LEU ARG ALA GLY ASN GLU LYS GLU GLU GLY GLU THR SEQRES 26 A 592 ALA ASP THR VAL GLY CYS CYS SER LEU ARG VAL GLU HIS SEQRES 27 A 592 ILE ASN LEU HIS PRO GLU LEU ASP GLY GLN GLU TYR VAL SEQRES 28 A 592 VAL GLU PHE ASP PHE LEU GLY LYS ASP SER ILE ARG TYR SEQRES 29 A 592 TYR ASN LYS VAL PRO VAL GLU LYS ARG VAL PHE LYS ASN SEQRES 30 A 592 LEU GLN LEU PHE MET GLU ASN LYS GLN PRO GLU ASP ASP SEQRES 31 A 592 LEU PHE ASP ARG LEU ASN THR GLY ILE LEU ASN LYS HIS SEQRES 32 A 592 LEU GLN ASP LEU MET GLU GLY LEU THR ALA LYS VAL PHE SEQRES 33 A 592 ARG THR TYR ASN ALA SER ILE THR LEU GLN GLN GLN LEU SEQRES 34 A 592 LYS GLU LEU THR ALA PRO ASP GLU ASN ILE PRO ALA LYS SEQRES 35 A 592 ILE LEU SER TYR ASN ARG ALA ASN ARG ALA VAL ALA ILE SEQRES 36 A 592 LEU CYS ASN HIS GLN ARG ALA PRO PRO LYS THR PHE GLU SEQRES 37 A 592 LYS SER MET MET ASN LEU GLN THR LYS ILE ASP ALA LYS SEQRES 38 A 592 LYS GLU GLN LEU ALA ASP ALA ARG ARG ASP LEU LYS SER SEQRES 39 A 592 ALA LYS ALA ASP ALA LYS VAL MET LYS ASP ALA LYS THR SEQRES 40 A 592 LYS LYS VAL VAL GLU SER LYS LYS LYS ALA VAL GLN ARG SEQRES 41 A 592 LEU GLU GLU GLN LEU MET LYS LEU GLU VAL GLN ALA THR SEQRES 42 A 592 ASP ARG GLU GLU ASN LYS GLN ILE ALA LEU GLY THR SER SEQRES 43 A 592 LYS LEU ASN PTR LEU ASP PRO ARG ILE THR VAL ALA TRP SEQRES 44 A 592 CYS LYS LYS TRP GLY VAL PRO ILE GLU LYS ILE TYR ASN SEQRES 45 A 592 LYS THR GLN ARG GLU LYS PHE ALA TRP ALA ILE ASP MET SEQRES 46 A 592 ALA ASP GLU ASP TYR GLU PHE MODRES 1K4T TGP C 11 DG MODRES 1K4T PTR A 723 TYR O-PHOSPHOTYROSINE HET TGP C 11 19 HET PTR A 723 16 HET TTG C 991 32 HET TTC D 990 31 HET HG A 900 1 HET PG4 A 901 13 HETNAM TGP 5'-THIO-2'-DEOXY-GUANOSINE PHOSPHONIC ACID HETNAM PTR O-PHOSPHOTYROSINE HETNAM TTG 2-(1-DIMETHYLAMINOMETHYL-2-HYDROXY-8-HYDROXYMETHYL-9- HETNAM 2 TTG OXO-9,11-DIHYDRO-INDOLIZINO[1,2-B]QUINOLIN-7-YL)-2- HETNAM 3 TTG HYDROXY-BUTYRIC ACID HETNAM TTC (S)-10-[(DIMETHYLAMINO)METHYL]-4-ETHYL-4,9-DIHYDROXY- HETNAM 2 TTC 1H-PYRANO[3',4':6,7]INOLIZINO[1,2-B]-QUINOLINE-3, HETNAM 3 TTC 14(4H,12H)-DIONE HETNAM HG MERCURY (II) ION HETNAM PG4 TETRAETHYLENE GLYCOL HETSYN PTR PHOSPHONOTYROSINE HETSYN TTG HYDROLYZED PRODUCT OF TOPOTECAN HETSYN TTC TOPOTECAN, HYCAMTIN FORMUL 2 TGP C10 H14 N5 O6 P S FORMUL 4 PTR C9 H12 N O6 P FORMUL 5 TTG C23 H25 N3 O6 FORMUL 6 TTC C23 H23 N3 O5 FORMUL 7 HG HG 2+ FORMUL 8 PG4 C8 H18 O5 FORMUL 9 HOH *227(H2 O) HELIX 1 1 LYS A 204 GLU A 208 5 5 HELIX 2 2 SER A 250 MET A 263 1 14 HELIX 3 3 HIS A 266 THR A 270 5 5 HELIX 4 4 LYS A 271 MET A 286 1 16 HELIX 5 5 THR A 287 ILE A 294 1 8 HELIX 6 6 PHE A 302 LYS A 317 1 16 HELIX 7 7 SER A 320 GLY A 339 1 20 HELIX 8 8 MET A 378 ASP A 381 5 4 HELIX 9 9 SER A 433 LYS A 452 1 20 HELIX 10 10 CYS A 453 TRP A 465 1 13 HELIX 11 11 GLU A 469 LEU A 485 1 17 HELIX 12 12 GLY A 503 LEU A 507 5 5 HELIX 13 13 ARG A 508 GLU A 510 5 3 HELIX 14 14 LYS A 532 SER A 534 5 3 HELIX 15 15 GLU A 544 MET A 555 1 12 HELIX 16 16 ASN A 569 MET A 581 1 13 HELIX 17 17 LYS A 587 THR A 606 1 20 HELIX 18 18 ASN A 611 CYS A 630 1 20 HELIX 19 19 THR A 639 LYS A 642 5 4 HELIX 20 20 SER A 643 VAL A 674 1 32 HELIX 21 21 ASP A 677 ASN A 711 1 35 HELIX 22 22 LEU A 716 PTR A 723 1 8 HELIX 23 23 ASP A 725 GLY A 737 1 13 HELIX 24 24 PRO A 739 ILE A 743 5 5 HELIX 25 25 ASN A 745 PHE A 752 1 8 HELIX 26 26 PHE A 752 MET A 758 1 7 SHEET 1 A 3 LEU A 220 GLU A 221 0 SHEET 2 A 3 PHE A 340 MET A 343 -1 O ILE A 342 N GLU A 221 SHEET 3 A 3 HIS A 346 ARG A 349 -1 O GLU A 348 N CYS A 341 SHEET 1 B 3 LYS A 245 VAL A 246 0 SHEET 2 B 3 TYR A 241 TYR A 242 -1 N TYR A 242 O LYS A 245 SHEET 3 B 3 CYS A 300 ASP A 301 -1 O ASP A 301 N TYR A 241 SHEET 1 C 2 GLY A 359 LEU A 360 0 SHEET 2 C 2 LEU A 373 LYS A 374 -1 O LYS A 374 N GLY A 359 SHEET 1 D 4 GLU A 403 ARG A 405 0 SHEET 2 D 4 ILE A 383 ASN A 385 1 N ILE A 384 O ARG A 405 SHEET 3 D 4 VAL A 414 THR A 417 -1 O SER A 415 N ILE A 383 SHEET 4 D 4 ILE A 424 ILE A 427 -1 O LYS A 425 N TRP A 416 SHEET 1 E 3 ILE A 512 LEU A 518 0 SHEET 2 E 3 GLN A 521 LEU A 530 -1 O GLU A 526 N ASN A 513 SHEET 3 E 3 ARG A 536 PRO A 542 -1 O TYR A 537 N PHE A 529 LINK C3' DT B 10 O3P PTR A 723 1555 1555 1.43 LINK O3' TGP C 11 P DG C 12 1555 1555 1.61 LINK C ASN A 722 N PTR A 723 1555 1555 1.33 LINK C PTR A 723 N LEU A 724 1555 1555 1.32 LINK O ARG A 590 HG HG A 900 1555 1555 3.42 LINK SG CYS A 630 HG HG A 900 1555 1555 2.79 SITE 1 AC1 12 ARG A 364 LYS A 532 ASP A 533 THR A 718 SITE 2 AC1 12 DT B 10 HOH D 3 TGP C 11 HOH C 28 SITE 3 AC1 12 HOH C 133 DC D 112 DA D 113 HOH D1002 SITE 1 AC2 3 ARG A 590 LEU A 629 CYS A 630 SITE 1 AC3 15 ARG A 364 LYS A 532 ASP A 533 THR A 718 SITE 2 AC3 15 ASN A 722 PTR A 723 DT B 10 HOH D 3 SITE 3 AC3 15 TGP C 11 HOH C 28 HOH C 133 DC D 112 SITE 4 AC3 15 DA D 113 HOH D 997 HOH D1002 SITE 1 AC4 4 ASP A 500 GLU A 510 HIS A 511 LEU A 530 CRYST1 57.093 116.260 75.217 90.00 94.16 90.00 P 1 21 1 2 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 0.017515 0.000000 0.001274 0.00000 SCALE2 0.000000 0.008601 0.000000 0.00000 SCALE3 0.000000 0.000000 0.013330 0.00000