6NTU

Crystal Structure of human PARP-1 ART domain bound to inhibitor UKTT-15

6NTU の概要

• エントリーDOI: 10.2210/pdb6ntu/pdb
• 関連するPDBエントリー: 5DS3
• 関連するBIRD辞書のPRD_ID: PRD_900003
• 分子名称: Poly [ADP-ribose] polymerase 1, beta-D-fructofuranose-(2-1)-alpha-D-glucopyranose, DIMETHYL SULFOXIDE, ... (7 entities in total)
• 機能のキーワード: parp-1, poly(adp-ribose) polymerase, parp inhibitor, parp1, artd1, transferase, transferase-transferase inhibitor complex, transferase/transferase inhibitor
• 由来する生物種: Homo sapiens (Human)
• タンパク質・核酸の鎖数: 1
• 化学式量合計: 31417.74

構造登録者

Langelier, M.F.,Pascal, J.M. (登録日: 2019-01-30, 公開日: 2020-02-05, 最終更新日: 2023-10-11)

主引用文献

Zandarashvili, L.,Langelier, M.F.,Velagapudi, U.K.,Hancock, M.A.,Steffen, J.D.,Billur, R.,Hannan, Z.M.,Wicks, A.J.,Krastev, D.B.,Pettitt, S.J.,Lord, C.J.,Talele, T.T.,Pascal, J.M.,Black, B.E.
Structural basis for allosteric PARP-1 retention on DNA breaks.
Science, 368:-, 2020

PubMed Abstract: The success of poly(ADP-ribose) polymerase-1 (PARP-1) inhibitors (PARPi) to treat cancer relates to their ability to trap PARP-1 at the site of a DNA break. Although different forms of PARPi all target the catalytic center of the enzyme, they have variable abilities to trap PARP-1. We found that several structurally distinct PARPi drive PARP-1 allostery to promote release from a DNA break. Other inhibitors drive allostery to retain PARP-1 on a DNA break. Further, we generated a new PARPi compound, converting an allosteric pro-release compound to a pro-retention compound and increasing its ability to kill cancer cells. These developments are pertinent to clinical applications where PARP-1 trapping is either desirable or undesirable.

PubMed: 32241924
DOI: 10.1126/science.aax6367

実験手法

X-RAY DIFFRACTION (1.8 Å)