Biological Assembly 1  

 3D View: Structure | Electron Density | Ligand Interaction

Standalone Viewers  
Protein Workshop | Ligand Explorer

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A 

Biological assembly 1 assigned by authors.

Biological Assembly 2  

 3D View: Structure | Electron Density | Ligand Interaction

Standalone Viewers  
Protein Workshop | Ligand Explorer

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A 

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 79781.34 
• Atom Count: 5612 
• Residue Count: 704 
• Unique protein chains: 1

5WRQ

Structure of human PARP1 catalytic domain bound to a quinazoline-2,4(1H,3H)-dione inhibitor

• DOI: 10.2210/pdb5WRQ/pdb

• Classification: TRANSFERASE/TRANSFERASE INHIBITOR
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): 1 


• Deposited: 2016-12-03 Released: 2017-01-25 
• Deposition Author(s): Cao, R., Wang, Y.L., Zhou, J., Huang, N., Xu, B.L.

---

Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 0.297 
• R-Value Work: 0.253 

Literature

Structure of human PARP1 catalytic domain bound to a quinazoline-2,4(1H,3H)-dione inhibitor

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

To be published.

Macromolecules

Find similar proteins by: Sequence  |  Structure

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details
Poly [ADP-ribose] polymerase 1	A, B	352	Homo sapiens	Mutation(s): 1  Gene Names: PARP1 (ADPRT, PPOL) EC: 2.4.2.30
Find proteins for P09874 (Homo sapiens) Go to Gene View: PARP1 Go to UniProtKB:  P09874

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram & Interactions
7TX	A, B	5-[[2,4-bis(oxidanylidene)quinazolin-1-yl]methyl]-2-fluoranyl-N-[(3R)-1-(3-methylbutyl)pyrrolidin-3-yl]benzamide C25 H29 F N4 O3 CHTZEODVNXPKCZ-GOSISDBHSA-N

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.65 Å
• R-Value Free: 0.297 
• R-Value Work: 0.253 
• Space Group: P 2₁ 2₁ 2₁

Unit Cell:

Length (Å)	Angle (°)
a = 48.340	α = 90.00
b = 92.360	β = 90.00
c = 163.440	γ = 90.00

Software Package:

Software Name	Purpose
SCALEPACK	data scaling
iMOSFLM	data reduction
REFMAC	refinement
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Deposited Date: 2016-12-03 
• Released Date: 2017-01-25 
• Deposition Author(s): Cao, R., Wang, Y.L., Zhou, J., Huang, N., Xu, B.L.

Revision History 

• Version 1.0: 2017-01-25
  Type: Initial release