poly(ADP-ribose) polymerase 1

Target id: 2771

Nomenclature: poly(ADP-ribose) polymerase 1

Abbreviated Name: PARP1

Family: poly(ADP-ribose)polymerases

Annotation status:  image of a grey circle Awaiting annotation/under development. Please contact us if you can help with annotation.  » Email us

   GtoImmuPdb view: OFF :     Currently no data for poly(ADP-ribose) polymerase 1 in GtoImmuPdb

Gene and Protein Information
Species TM AA Chromosomal Location Gene Symbol Gene Name Reference
Human - 1014 1q41-q42 PARP1 poly(ADP-ribose) polymerase 1
Mouse - 1014 1 H5 Parp1 poly (ADP-ribose) polymerase family, member 1
Rat - 1014 13q26 Parp1 poly (ADP-ribose) polymerase 1
Previous and Unofficial Names
ADP-ribosyltransferase | ADPRT | PPOL | poly (ADP-ribose) polymerase 1 | poly (ADP-ribose) polymerase family, member 1 | poly (ADP-ribose) polymerase family
Database Links
Ensembl Gene
Entrez Gene
GenitoUrinary Development Molecular Anatomy Project
Human Protein Atlas
KEGG Enzyme
RefSeq Nucleotide
RefSeq Protein
Selected 3D Structures
Image of receptor 3D structure from RCSB PDB
Description:  Structure of PARP1 catalytic domain bound to inhibitor BMN 673 (talazoparib)
Ligand:  talazoparib
Resolution:  2.35Å
Species:  Human
References:  1
Image of receptor 3D structure from RCSB PDB
Description:  Structure of human PARP1 catalytic domain bound to an isoindolinone inhibitor
Ligand:  compound 10b [PMID: 26222319]
Resolution:  1.9Å
Species:  Human
References:  6
Enzyme Reaction
EC Number:

Download all structure-activity data for this target as a CSV file

Key to terms and symbols View all chemical structures Click column headers to sort
Ligand Sp. Action Affinity Units Reference
compound 10b [PMID: 26222319] Hs Inhibition 7.1 pKd 6
pKd 7.1 (Kd 8.7x10-8 M) [6]
rucaparib Hs Inhibition 8.9 pKi 8
pKi 8.9 (Ki 1.4x10-9 M) [8]
AG14361 Hs Inhibition 8.2 pKi 7
pKi 8.2 (Ki 5.8x10-9 M) [7]
niraparib Hs Binding 8.4 pIC50 3
pIC50 8.4 (IC50 3.8x10-9 M) [3]
olaparib Hs Inhibition 8.3 pIC50 2,5
pIC50 8.3 (IC50 5x10-9 M) [2,5]
Description: Assayed using PARP-1 isolated from HeLa cells, in a scintillation proximity ELISA.
ME0328 Hs Inhibition 5.2 pIC50 4
pIC50 5.2 (IC50 6.3x10-6 M) [4]
talazoparib Hs Inhibition - - 1


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1. Aoyagi-Scharber M, Gardberg AS, Yip BK, Wang B, Shen Y, Fitzpatrick PA. (2014) Structural basis for the inhibition of poly(ADP-ribose) polymerases 1 and 2 by BMN 673, a potent inhibitor derived from dihydropyridophthalazinone. Acta Crystallogr F Struct Biol Commun70 (Pt 9): 1143-9. [PMID:25195882]

2. Dillon KJ, Smith GC, Martin NM. (2003) A FlashPlate assay for the identification of PARP-1 inhibitors. J Biomol Screen8 (3): 347-52. [PMID:12857389]

3. Jones P, Altamura S, Boueres J, Ferrigno F, Fonsi M, Giomini C, Lamartina S, Monteagudo E, Ontoria JM, Orsale MV et al.. (2009) Discovery of 2-{4-[(3S)-piperidin-3-yl]phenyl}-2H-indazole-7-carboxamide (MK-4827): a novel oral poly(ADP-ribose)polymerase (PARP) inhibitor efficacious in BRCA-1 and -2 mutant tumors. J. Med. Chem.52 (22): 7170-85. [PMID:19873981]

4. Lindgren AE, Karlberg T, Ekblad T, Spjut S, Thorsell AG, Andersson CD, Nhan TT, Hellsten V, Weigelt J, Linusson A et al.. (2013) Chemical probes to study ADP-ribosylation: synthesis and biochemical evaluation of inhibitors of the human ADP-ribosyltransferase ARTD3/PARP3. J. Med. Chem.56 (23): 9556-68. [PMID:24188023]

5. Menear KA, Adcock C, Boulter R, Cockcroft XL, Copsey L, Cranston A, Dillon KJ, Drzewiecki J, Garman S, Gomez S et al.. (2008) 4-[3-(4-cyclopropanecarbonylpiperazine-1-carbonyl)-4-fluorobenzyl]-2H-phthalazin-1-one: a novel bioavailable inhibitor of poly(ADP-ribose) polymerase-1. J. Med. Chem.51 (20): 6581-91. [PMID:18800822]

6. Papeo G, Posteri H, Borghi D, Busel AA, Caprera F, Casale E, Ciomei M, Cirla A, Corti E, D'Anello M et al.. (2015) Discovery of 2-[1-(4,4-Difluorocyclohexyl)piperidin-4-yl]-6-fluoro-3-oxo-2,3-dihydro-1H-isoindole-4-carboxamide (NMS-P118): A Potent, Orally Available, and Highly Selective PARP-1 Inhibitor for Cancer Therapy. J. Med. Chem.,  [Epub ahead of print]. [PMID:26222319]

7. Skalitzky DJ, Marakovits JT, Maegley KA, Ekker A, Yu XH, Hostomsky Z, Webber SE, Eastman BW, Almassy R, Li J et al.. (2003) Tricyclic benzimidazoles as potent poly(ADP-ribose) polymerase-1 inhibitors. J. Med. Chem.46 (2): 210-3. [PMID:12519059]

8. Thomas HD, Calabrese CR, Batey MA, Canan S, Hostomsky Z, Kyle S, Maegley KA, Newell DR, Skalitzky D, Wang LZ et al.. (2007) Preclinical selection of a novel poly(ADP-ribose) polymerase inhibitor for clinical trial. Mol. Cancer Ther.6 (3): 945-56. [PMID:17363489]

How to cite this page poly(ADP-ribose)polymerases: poly(ADP-ribose) polymerase 1. Last modified on 29/01/2016. Accessed on 20/03/2018. IUPHAR/BPS Guide to PHARMACOLOGY, http://www.guidetopharmacology.org/GRAC/ObjectDisplayForward?objectId=2771.