6GHK

Human PARP1 (ARTD1) - Catalytic domain in complex with inhibitor ME0527

• PDB DOI: https://doi.org/10.2210/pdb6GHK/pdb

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


• Deposited: 2018-05-08 Released: 2019-05-22 
• Deposition Author(s): Karlberg, T., Thorsell, A.G., Lindgren, A.E.G., Moche, M., Brock, J., Ekblad, T., Spjut, S., Elofsson, M., Schuler, H.

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Experimental Data Snapshot

• Method: X-RAY DIFFRACTION
• Resolution: 2.28 Å
• R-Value Free: 0.227 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 

Literature

Human PARP1 (ARTD1) - Catalytic domain in complex with inhibitor ME0527

Karlberg, T., Thorsell, A.G., Lindgren, A.E.G., Ekblad, T., Spjut, S., Elofsson, M., Schuler, H.

To be published.

Biological Assembly 1  

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

Biological assembly 1 assigned by authors.

Biological Assembly Evidence: gel filtration

Biological Assembly 2  

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

Biological assembly 2 assigned by authors.

Macromolecule Content

• Total Structure Weight: 81.75 kDa 
• Atom Count: 5,848 
• Modelled Residue Count: 705 
• Deposited Residue Count: 716 
• Unique protein chains: 1

Macromolecules

Entity ID: 1
Molecule	Chains	Sequence Length	Organism	Details	Image
Poly [ADP-ribose] polymerase 1	A, B	358	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 2 Unique
ID	Chains	Name / Formula / InChI Key	2D Diagram
EZ2	C [auth A], H [auth B]	~{N}-[(1~{R})-1-(4-imidazol-1-ylphenyl)ethyl]-3-(4-oxidanylidene-1~{H}-quinazolin-2-yl)propanamide C22 H21 N5 O2 CXFUNVLSNZEBDZ-OAHLLOKOSA-N
SO4	D [auth A], E [auth A], F [auth A], G [auth A], I [auth B], J [auth B]	SULFATE ION O4 S QAOWNCQODCNURD-UHFFFAOYSA-L

Experimental Data & Validation

Experimental Data

• Method: X-RAY DIFFRACTION
• Resolution: 2.28 Å
• R-Value Free: 0.227 
• R-Value Work: 0.187 
• R-Value Observed: 0.189 
• Space Group: P 1 2₁ 1

Unit Cell:

Length ( Å )	Angle ( ˚ )
a = 74.55	α = 90
b = 68.564	β = 110.95
c = 91.813	γ = 90

Software Package:

Software Name	Purpose
PHENIX	refinement
XDS	data reduction
XSCALE	data scaling
PHASER	phasing

Structure Validation

Entry History 

Deposition Data

• Released Date: 2019-05-22 
Deposition Author(s): Karlberg, T., Thorsell, A.G., Lindgren, A.E.G., Moche, M., Brock, J., Ekblad, T., Spjut, S., Elofsson, M., Schuler, H.

Revision History  

• Version 1.0: 2019-05-22
  Type: Initial release
  
• Version 1.1: 2024-01-17
  Changes: Data collection, Database references, Refinement description