2RCW

PARP complexed with A620223

• PDB DOI: https://doi.org/10.2210/pdb2RCW/pdb

• Classification: TRANSFERASE
• Organism(s): Homo sapiens
• Expression System: Escherichia coli
• Mutation(s): No 


• Deposited: 2007-09-20 Released: 2008-09-23 
• Deposition Author(s): Park, C.H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.317 
• R-Value Work: 0.234 
• R-Value Observed: 0.245 

Literature

PARP complexed with A620223

Park, C.H.

To be published.

Biological Assembly 1  

Global Symmetry: Asymmetric - C1 
Global Stoichiometry: Monomer - A1 

Biological assembly 1 assigned by authors and generated by PISA (software)

Macromolecule Content

• Total Structure Weight: 39.48 kDa 
• Atom Count: 2,905 
• Modelled Residue Count: 350 
• Deposited Residue Count: 350 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Poly [ADP-ribose] polymerase 1	A	350	Homo sapiens	Mutation(s): 0  Gene Names: PARP1, ADPRT, PPOL EC: 2.4.2.30
UniProt & NIH Common Fund Data Resources
Find proteins for P09874 (Homo sapiens) Explore P09874  Go to UniProtKB:  P09874
PHAROS:  P09874 GTEx:  ENSG00000143799

Small Molecules

Ligands 1 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
AAI	B [auth A]	trans-4-(7-carbamoyl-1H-benzimidazol-2-yl)-1-propylpiperidinium C16 H22 N4 O KXSIHXHEHABEJX-UHFFFAOYSA-N

Binding Affinity Annotations
ID	Source	Binding Affinity
AAI	PDBBind:  2RCW	Ki: 8 (nM) from 1 assay(s)
	BindingDB:  2RCW	Ki: 8 (nM) from 1 assay(s)
		EC50: 3 (nM) from 1 assay(s)

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.80 Å
• R-Value Free: 0.317 
• R-Value Work: 0.234 
• R-Value Observed: 0.245 
• Space Group: P 3 2 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 94.166	α = 90
b = 94.166	β = 90
c = 68.38	γ = 120

Software Package:

Software Name	Purpose
CNX	refinement
HKL-2000	data collection
HKL-2000	data reduction
HKL-2000	data scaling
CNS	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2008-09-23 
Deposition Author(s): Park, C.H.

Revision History  

• Version 1.0: 2008-09-23
  Type: Initial release
  
• Version 1.1: 2011-07-13
  Changes: Version format compliance
• Version 1.2: 2023-08-30
  Changes: Data collection, Database references, Derived calculations, Refinement description