5WS1

Structure of human PARP1 catalytic domain bound to a benzoimidazole inhibitor


Experimental Data Snapshot

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.233 
  • R-Value Observed: 0.235 

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Ligand Structure Quality Assessment 


This is version 1.1 of the entry. See complete history


Literature

Structure of human PARP1 catalytic domain bound to a benzoimidazole inhibitor

Cao, R.Wang, Y.L.Zhou, J.Huang, N.Xu, B.L.

To be published.

Macromolecules
Find similar proteins by:  (by identity cutoff)  |  3D Structure
Entity ID: 1
MoleculeChains Sequence LengthOrganismDetailsImage
Poly [ADP-ribose] polymerase 1
A, B
352Homo sapiensMutation(s): 1 
Gene Names: PARP1
EC: 2.4.2.30 (PDB Primary Data), 2.4.2 (UniProt)
UniProt & NIH Common Fund Data Resources
Find proteins for P09874 (Homo sapiens)
Explore P09874 
Go to UniProtKB:  P09874
PHAROS:  P09874
GTEx:  ENSG00000143799 
Entity Groups  
Sequence Clusters30% Identity50% Identity70% Identity90% Identity95% Identity100% Identity
UniProt GroupP09874
Sequence Annotations
Expand
  • Reference Sequence
Small Molecules
Ligands 1 Unique
IDChains Name / Formula / InChI Key2D Diagram3D Interactions
7U9
Query on 7U9

Download Ideal Coordinates CCD File 
C [auth A],
D [auth B]
2-[(3R)-3-azanylpyrrolidin-1-yl]carbonyl-1H-benzimidazole-4-carboxamide
C13 H15 N5 O2
WHEDMAICUFWICE-SSDOTTSWSA-N
Binding Affinity Annotations 
IDSourceBinding Affinity
7U9 BindingDB:  5WS1 IC50: 15 (nM) from 1 assay(s)
Experimental Data & Validation

Experimental Data

  • Method: X-RAY DIFFRACTION
  • Resolution: 1.90 Å
  • R-Value Free: 0.273 
  • R-Value Work: 0.233 
  • R-Value Observed: 0.235 
  • Space Group: P 21 21 21
Unit Cell:
Length ( Å )Angle ( ˚ )
a = 48.71α = 90
b = 91.87β = 90
c = 162.23γ = 90
Software Package:
Software NamePurpose
REFMACrefinement
iMOSFLMdata reduction
SCALEPACKdata scaling
PHASERphasing

Structure Validation

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Ligand Structure Quality Assessment 


Entry History 

Deposition Data

Revision History  (Full details and data files)

  • Version 1.0: 2017-01-25
    Type: Initial release
  • Version 1.1: 2024-03-20
    Changes: Data collection, Database references