6NF4
 
 | | Structure of zebrafish Otop1 in nanodiscs | | Descriptor: | CHOLESTEROL, CHOLESTEROL HEMISUCCINATE, Otopetrin1 | | Authors: | Saotome, K, Lee, W.H, Liman, E.R, Ward, A.B. | | Deposit date: | 2018-12-18 | | Release date: | 2019-06-05 | | Last modified: | 2024-03-20 | | Method: | ELECTRON MICROSCOPY (2.98 Å) | | Cite: | Structures of the otopetrin proton channels Otop1 and Otop3.
Nat.Struct.Mol.Biol., 26, 2019
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6Z01
 | | DNA Topoisomerase | | Descriptor: | CHLORIDE ION, DNA topoisomerase I | | Authors: | Takahashi, T.S, Gadelle, D, Forterre, P, Mayer, C, Petrella, S. | | Deposit date: | 2020-05-07 | | Release date: | 2021-11-17 | | Last modified: | 2024-10-09 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Topoisomerase I (TOP1) dynamics: conformational transition from open to closed states.
Nat Commun, 13, 2022
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6Z03
 | | DNA Topoisomerase | | Descriptor: | DNA topoisomerase I | | Authors: | Takahashi, T.S, Gadelle, D, Forterre, P, Mayer, C, Petrella, S. | | Deposit date: | 2020-05-07 | | Release date: | 2021-11-17 | | Last modified: | 2024-02-07 | | Method: | X-RAY DIFFRACTION (2.2 Å) | | Cite: | Topoisomerase I (TOP1) dynamics: conformational transition from open to closed states.
Nat Commun, 13, 2022
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6NF6
 | | Structure of chicken Otop3 in nanodiscs | | Descriptor: | CHOLESTEROL HEMISUCCINATE, Otopetrin3 | | Authors: | Saotome, K, Lee, W.H, Liman, E.R, Ward, A.B. | | Deposit date: | 2018-12-18 | | Release date: | 2019-06-05 | | Last modified: | 2024-03-20 | | Method: | ELECTRON MICROSCOPY (3.32 Å) | | Cite: | Structures of the otopetrin proton channels Otop1 and Otop3.
Nat.Struct.Mol.Biol., 26, 2019
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8CZQ
 | | The crystal structure of MtbTOP1 in complex with both G- and T-segments | | Descriptor: | ACETATE ION, DNA (5'-D(*CP*TP*TP*CP*CP*GP*CP*TP*TP*GP*AP*C)-3'), DNA topoisomerase 1, ... | | Authors: | Tan, K, Tse-Dinh, Y.-C. | | Deposit date: | 2022-05-25 | | Release date: | 2022-12-14 | | Last modified: | 2023-10-25 | | Method: | X-RAY DIFFRACTION (2.78 Å) | | Cite: | The interaction between transport-segment DNA and topoisomerase IA-crystal structure of MtbTOP1 in complex with both G- and T-segments.
Nucleic Acids Res., 51, 2023
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1SEU
 | | Human DNA Topoisomerase I (70 Kda) In Complex With The Indolocarbazole SA315F and Covalent Complex With A 22 Base Pair DNA Duplex | | Descriptor: | 2,10-DIHYDROXY-12-(BETA-D-GLUCOPYRANOSYL)-6,7,12,13-TETRAHYDROINDOLO[2,3-A]PYRROLO[3,4-C]CARBAZOLE-5,7-DIONE, 5'-D(*(TGP)P*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3', 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*T)-3', ... | | Authors: | Staker, B.L, Feese, M.D, Cushman, M, Pommier, Y, Zembower, D, Stewart, L, Burgin, A.B. | | Deposit date: | 2004-02-18 | | Release date: | 2005-04-19 | | Last modified: | 2024-10-30 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | Structures of three classes of anticancer agents bound to the human topoisomerase I-DNA covalent complex
J.Med.Chem., 48, 2005
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1T8I
 | | Human DNA Topoisomerase I (70 Kda) In Complex With The Poison Camptothecin and Covalent Complex With A 22 Base Pair DNA Duplex | | Descriptor: | 4-ETHYL-4-HYDROXY-1,12-DIHYDRO-4H-2-OXA-6,12A-DIAZA-DIBENZO[B,H]FLUORENE-3,13-DIONE, 5'-D(*(TGP)P*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3', 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*T)-3', ... | | Authors: | Staker, B.L, Feese, M.D, Cushman, M, Pommier, Y, Zembower, D, Stewart, L, Burgin, A.B. | | Deposit date: | 2004-05-12 | | Release date: | 2005-05-31 | | Last modified: | 2024-11-20 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | Structures of three classes of anticancer agents bound to the human topoisomerase I-DNA covalent complex
J.Med.Chem., 48, 2005
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1SC7
 | | Human DNA Topoisomerase I (70 Kda) In Complex With The Indenoisoquinoline MJ-II-38 and Covalent Complex With A 22 Base Pair DNA Duplex | | Descriptor: | 4-(5,11-DIOXO-5H-INDENO[1,2-C]ISOQUINOLIN-6(11H)-YL)BUTANOATE, 5'-D(*(TGP)P*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3', 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*T)-3', ... | | Authors: | Staker, B.L, Feese, M.D, Cushman, M, Pommier, Y, Zembower, D, Stewart, L, Burgin, A.B. | | Deposit date: | 2004-02-11 | | Release date: | 2005-04-19 | | Last modified: | 2024-11-20 | | Method: | X-RAY DIFFRACTION (3 Å) | | Cite: | Structures of three classes of anticancer agents bound to the human topoisomerase I-DNA covalent complex
J.Med.Chem., 48, 2005
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5D5H
 | | Crystal structure of Mycobacterium tuberculosis Topoisomerase I | | Descriptor: | ACETATE ION, DNA topoisomerase 1, GLYCEROL, ... | | Authors: | Tan, K, Cheng, B, Tse-Dinh, Y.C. | | Deposit date: | 2015-08-10 | | Release date: | 2015-12-16 | | Last modified: | 2024-03-06 | | Method: | X-RAY DIFFRACTION (2.52 Å) | | Cite: | Insights from the Structure of Mycobacterium tuberculosis Topoisomerase I with a Novel Protein Fold.
J.Mol.Biol., 428, 2016
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1LPQ
 | | Human DNA Topoisomerase I (70 Kda) In Non-Covalent Complex With A 22 Base Pair DNA Duplex Containing an 8-oxoG Lesion | | Descriptor: | 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*TP*(8OG)P*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3', 5'-D(*AP*AP*AP*AP*AP*TP*TP*TP*TP*TP*CP*CP*AP*AP*GP*TP*CP*TP*TP*TP*TP*T)-3', DNA topoisomerase I | | Authors: | Lesher, D.T, Pommier, Y, Stewart, L, Redinbo, M.R. | | Deposit date: | 2002-05-08 | | Release date: | 2002-08-16 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (3.14 Å) | | Cite: | 8-Oxoguanine rearranges the active site of human topoisomerase I
Proc.Natl.Acad.Sci.USA, 99, 2002
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3IGC
 | | Smallpox virus topoisomerase-DNA transition state | | Descriptor: | 5'-D(*AP*TP*TP*CP*C)-3', 5'-D(*CP*GP*GP*AP*AP*TP*AP*AP*GP*GP*GP*CP*GP*AP*CP*A)-3', 5'-D(*GP*TP*GP*TP*CP*GP*CP*CP*CP*TP*T)-3', ... | | Authors: | Perry, K, Hwang, Y, Bushman, F.D, Van Duyne, G.D. | | Deposit date: | 2009-07-27 | | Release date: | 2010-03-02 | | Last modified: | 2023-09-06 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Insights from the Structure of a Smallpox Virus Topoisomerase-DNA Transition State Mimic.
Structure, 18, 2010
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1NH3
 | | Human Topoisomerase I Ara-C Complex | | Descriptor: | 5'-D(*(GNG)P*GP*AP*AP*AP*AP*AP*UP*UP*UP*UP*T)-3', 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*UP*(UBB))-3', 5'-D(*AP*AP*AP*AP*AP*TP*UP*UP*UP*UP*CP*(CAR)P*AP*AP*GP*UP*CP*UP*UP*UP*UP*T)-3', ... | | Authors: | Chrencik, J.E, Burgin, A.B, Pommier, Y, Stewart, L, Redinbo, M.R. | | Deposit date: | 2002-12-18 | | Release date: | 2003-03-04 | | Last modified: | 2024-11-20 | | Method: | X-RAY DIFFRACTION (3.1 Å) | | Cite: | Structural Impact of the Leukemia Drug 1-beta-D-Arabinofuranosylcytosine (Ara-C) on the Covalent Human Topoisomerase I-DNA Complex
J.Biol.Chem., 278, 2003
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1OIS
 | | YEAST DNA TOPOISOMERASE I, N-TERMINAL FRAGMENT | | Descriptor: | DNA TOPOISOMERASE I | | Authors: | Lue, N, Sharma, A, Mondragon, A, Wang, J.C. | | Deposit date: | 1996-09-14 | | Release date: | 1997-03-12 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | A 26 kDa yeast DNA topoisomerase I fragment: crystallographic structure and mechanistic implications.
Structure, 3, 1995
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6PCM
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2H7G
 | | Structure of variola topoisomerase non-covalently bound to DNA | | Descriptor: | 5'-D(*TP*AP*AP*TP*AP*AP*GP*GP*GP*CP*GP*AP*CP*A)-3', 5'-D(*TP*TP*GP*TP*CP*GP*CP*CP*CP*TP*TP*A)-3', DNA topoisomerase 1 | | Authors: | Perry, K, Hwang, Y, Bushman, F.D, Van Duyne, G.D. | | Deposit date: | 2006-06-02 | | Release date: | 2006-08-15 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (1.9 Å) | | Cite: | Structural basis for specificity in the poxvirus topoisomerase.
Mol.Cell, 23, 2006
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2H7F
 | | Structure of variola topoisomerase covalently bound to DNA | | Descriptor: | 5'-D(*TP*AP*AP*TP*AP*AP*GP*GP*GP*CP*GP*AP*CP*A)-3', 5'-D(*TP*TP*GP*TP*CP*GP*CP*CP*CP*TP*T)-3', DNA topoisomerase 1 | | Authors: | Perry, K, Hwang, Y, Bushman, F.D, Van Duyne, G.D. | | Deposit date: | 2006-06-02 | | Release date: | 2006-08-15 | | Last modified: | 2024-11-20 | | Method: | X-RAY DIFFRACTION (2.7 Å) | | Cite: | Structural basis for specificity in the poxvirus topoisomerase.
Mol.Cell, 23, 2006
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1R49
 | | Human topoisomerase I (Topo70) double mutant K532R/Y723F | | Descriptor: | 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*TP*AP*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3', 5'-D(P*AP*AP*AP*AP*AP*TP*TP*TP*TP*TP*CP*TP*AP*AP*GP*TP*CP*TP*TP*TP*TP*T)-3', DNA topoisomerase I | | Authors: | Interthal, H, Quigley, P.M, Hol, W.G, Champoux, J.J. | | Deposit date: | 2003-10-03 | | Release date: | 2003-12-16 | | Last modified: | 2024-02-14 | | Method: | X-RAY DIFFRACTION (3.13 Å) | | Cite: | The role of lysine 532 in the catalytic mechanism of human topoisomerase I.
J.Biol.Chem., 279, 2004
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1RRJ
 | | Structural Mechanisms of Camptothecin Resistance by Mutations in Human Topoisomerase I | | Descriptor: | (S)-10-[(DIMETHYLAMINO)METHYL]-4-ETHYL-4,9-DIHYDROXY-1H-PYRANO[3',4':6,7]INOLIZINO[1,2-B]-QUINOLINE-3,14(4H,12H)-DIONE, 2-(1-DIMETHYLAMINOMETHYL-2-HYDROXY-8-HYDROXYMETHYL-9-OXO-9,11-DIHYDRO-INDOLIZINO[1,2-B]QUINOLIN-7-YL)-2-HYDROXY-BUTYRIC ACID, 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*T*GP*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3', ... | | Authors: | Chrencik, J.E, Staker, B.L, Burgin, A.B, Stewart, L, Redinbo, M.R. | | Deposit date: | 2003-12-08 | | Release date: | 2004-07-06 | | Last modified: | 2024-11-20 | | Method: | X-RAY DIFFRACTION (2.3 Å) | | Cite: | Mechanisms of camptothecin resistance by human topoisomerase I mutations
J.Mol.Biol., 339, 2004
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1TL8
 | | Human DNA topoisomerase I (70 kDa) in complex with the indenoisoquinoline AI-III-52 and covalent complex with a 22 base pair DNA duplex | | Descriptor: | 2,3-DIMETHOXY-12H-[1,3]DIOXOLO[5,6]INDENO[1,2-C]ISOQUINOLIN-6-IUM, 5'-D(*(TPC)P*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3', 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*T)-3', ... | | Authors: | Ioanoviciu, A, Antony, S, Pommier, Y, Staker, B.L, Stewart, L, Cushman, M. | | Deposit date: | 2004-06-09 | | Release date: | 2005-06-21 | | Last modified: | 2024-11-06 | | Method: | X-RAY DIFFRACTION (3.1 Å) | | Cite: | Synthesis and Mechanism of Action Studies of a Series of Norindenoisoquinoline Topoisomerase I Poisons Reveal an Inhibitor with a Flipped Orientation in the Ternary DNA-Enzyme-Inhibitor Complex As Determined by X-ray Crystallographic Analysis
J.Med.Chem., 48, 2005
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1RR8
 | | Structural Mechanisms of Camptothecin Resistance by Mutations in Human Topoisomerase I | | Descriptor: | (S)-10-[(DIMETHYLAMINO)METHYL]-4-ETHYL-4,9-DIHYDROXY-1H-PYRANO[3',4':6,7]INOLIZINO[1,2-B]-QUINOLINE-3,14(4H,12H)-DIONE, 2-(1-DIMETHYLAMINOMETHYL-2-HYDROXY-8-HYDROXYMETHYL-9-OXO-9,11-DIHYDRO-INDOLIZINO[1,2-B]QUINOLIN-7-YL)-2-HYDROXY-BUTYRIC ACID, 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*T*GP*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3', ... | | Authors: | Chrencik, J.E, Staker, B.L, Burgin, A.B, Stewart, L, Redinbo, M.R. | | Deposit date: | 2003-12-08 | | Release date: | 2004-07-06 | | Last modified: | 2024-10-30 | | Method: | X-RAY DIFFRACTION (2.6 Å) | | Cite: | Mechanisms of camptothecin resistance by human topoisomerase I mutations
J.Mol.Biol., 339, 2004
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1K4T
 | | HUMAN DNA TOPOISOMERASE I (70 KDA) IN COMPLEX WITH THE POISON TOPOTECAN AND COVALENT COMPLEX WITH A 22 BASE PAIR DNA DUPLEX | | Descriptor: | (S)-10-[(DIMETHYLAMINO)METHYL]-4-ETHYL-4,9-DIHYDROXY-1H-PYRANO[3',4':6,7]INOLIZINO[1,2-B]-QUINOLINE-3,14(4H,12H)-DIONE, 2-(1-DIMETHYLAMINOMETHYL-2-HYDROXY-8-HYDROXYMETHYL-9-OXO-9,11-DIHYDRO-INDOLIZINO[1,2-B]QUINOLIN-7-YL)-2-HYDROXY-BUTYRIC ACID, 5'-D(*(TGP)P*GP*AP*AP*AP*AP*AP*TP*TP*TP*TP*T)-3', ... | | Authors: | Staker, B.L, Hjerrild, K, Feese, M.D, Behnke, C.A, Burgin Jr, A.B, Stewart, L.J. | | Deposit date: | 2001-10-08 | | Release date: | 2002-12-04 | | Last modified: | 2024-10-30 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | The mechanism of topoisomerase I poisoning by a camptothecin analog
Proc.Natl.Acad.Sci.USA, 99, 2002
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1K4S
 | | HUMAN DNA TOPOISOMERASE I IN COVALENT COMPLEX WITH A 22 BASE PAIR DNA DUPLEX | | Descriptor: | 5'-D(*(SPT)P*GP*AP*AP*AP*AP*AP*(5IU)P*(5IU)P*(5IU)P*(5IU)P*T)-3', 5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*(5IU)P*(5IU))-3', 5'-D(*AP*AP*AP*AP*AP*TP*(IDO)UP*(IDO)UP*(IDO)UP*(IDO)UP*CP*AP*AP*AP*GP*(IDO)UP*CP*(IDO)UP*(IDO)UP*(IDO)UP*(IDO)UP*T)-3', ... | | Authors: | Staker, B.L, Hjerrild, K, Feese, M.D, Behnke, C.A, Burgin Jr, A.B, Stewart, L.J. | | Deposit date: | 2001-10-08 | | Release date: | 2002-12-04 | | Last modified: | 2024-11-06 | | Method: | X-RAY DIFFRACTION (3.2 Å) | | Cite: | The mechanism of topoisomerase I poisoning by a camptothecin analog
Proc.Natl.Acad.Sci.USA, 99, 2002
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3PWT
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1A31
 | | HUMAN RECONSTITUTED DNA TOPOISOMERASE I IN COVALENT COMPLEX WITH A 22 BASE PAIR DNA DUPLEX | | Descriptor: | DNA (5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*5IUP*5IU*TP*GP*AP*AP*AP*AP*AP*5IUP*5IUP*5IUP*5IUP*T)-3'), DNA (5'-D(*AP*AP*AP*AP*AP*TP*5IUP*5IUP*5IUP*5IUP*CP*AP*AP*AP*GP*TP*CP*TP*TP*TP*TP*T)-3'), PROTEIN (TOPOISOMERASE I) | | Authors: | Redinbo, M.R, Stewart, L, Kuhn, P, Champoux, J.J, Hol, W.G.J. | | Deposit date: | 1998-01-27 | | Release date: | 1998-08-28 | | Last modified: | 2024-10-09 | | Method: | X-RAY DIFFRACTION (2.1 Å) | | Cite: | Crystal structures of human topoisomerase I in covalent and noncovalent complexes with DNA.
Science, 279, 1998
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1A36
 | | TOPOISOMERASE I/DNA COMPLEX | | Descriptor: | DNA (5'-D(*AP*AP*AP*AP*AP*GP*AP*CP*TP*TP*AP*GP*AP*AP*AP*AP*A P*TP*TP*TP*TP*T)- 3'), DNA (5'-D(*AP*AP*AP*AP*AP*TP*TP*TP*TP*TP*CP*TP*AP*AP*GP*TP*C P*TP*TP*TP*TP*T)- 3'), TOPOISOMERASE I | | Authors: | Stewart, L, Redinbo, M.R, Qiu, X, Champoux, J.J, Hol, W.G.J. | | Deposit date: | 1998-01-29 | | Release date: | 1998-08-12 | | Last modified: | 2024-04-03 | | Method: | X-RAY DIFFRACTION (2.8 Å) | | Cite: | A model for the mechanism of human topoisomerase I.
Science, 279, 1998
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