PARP is a family of proteins involved in a number of cellular processes involving mainly DNA repair and programmed cell death. The PARP family comprises 17 members. They have all very different structures and functions in the cell. PARP1, PARP2, VPARP (PARP4), Tankyrase-1 and -2 (PARP-5a or TNKS, and PARP-5b or TNKS2) have a confirmed PARP activity. Others include PARP3, PARP6, TIPARP (or PARP7), PARP8, PARP9, PARP10, PARP11, PARP12, PARP14, PARP15, and PARP16. PARP is found in the cell’s nucleus. The main role is to detect and signal single-strand DNA breaks (SSB) to the enzymatic machinery involved in the SSB repair.


Anti-infection >
Arenavirus Bacterial CMV Enterovirus Filovirus Fungal HBV HCV HIV HSV Influenza Virus Parasite Reverse Transcriptase RSV SARS-CoV
Antibody-drug Conjugate >
ADC Cytotoxin ADC Linker Drug-Linker Conjugates for ADC PROTAC-linker Conjugate for PAC
Apoptosis >
Apoptosis Bcl-2 Family c-Myc Caspase DAPK Ferroptosis IAP MDM-2/p53 PKD RIP kinase Survivin Thymidylate Synthase TNF Receptor
Autophagy >
Autophagy LRRK2 ULK Mitophagy
Cell Cycle/DNA Damage >
Antifolate APC ATM/ATR Aurora Kinase Casein Kinase CDK Checkpoint Kinase (Chk) CRISPR/Cas9 Deubiquitinase DNA Alkylator/Crosslinker DNA-PK DNA/RNA Synthesis Eukaryotic Initiation Factor (eIF) G-quadruplex Haspin Kinase HDAC HSP IRE1 Kinesin LIM Kinase (LIMK) Microtubule/Tubulin Mps1 Nucleoside Antimetabolite/Analog p97 PAK PARP PERK Polo-like Kinase (PLK) PPAR RAD51 ROCK Sirtuin SRPK Telomerase TOPK Topoisomerase Wee1
Cytoskeleton >
Arp2/3 Complex Dynamin Gap Junction Protein Integrin Kinesin Microtubule/Tubulin Mps1 Myosin PAK
Epigenetics >
AMPK Aurora Kinase DNA Methyltransferase Epigenetic Reader Domain HDAC Histone Acetyltransferase Histone Demethylase Histone Methyltransferase JAK MicroRNA PARP PKC Sirtuin Protein Arginine Deiminase
GPCR/G Protein >
5-HT Receptor Adenosine Receptor Adenylate Cyclase Adiponectin Receptor Adrenergic Receptor Angiotensin Receptor Bombesin Receptor Bradykinin Receptor Cannabinoid Receptor CaSR CCR CGRP Receptor Cholecystokinin Receptor CRFR CXCR Dopamine Receptor EBI2/GPR183 Endothelin Receptor GHSR Glucagon Receptor Glucocorticoid Receptor GNRH Receptor GPCR19 GPR109A GPR119 GPR120 GPR139 GPR40 GPR55 GPR84 Guanylate Cyclase Histamine Receptor Imidazoline Receptor Leukotriene Receptor LPL Receptor mAChR MCHR1 (GPR24) Melatonin Receptor mGluR Motilin Receptor Neurokinin Receptor Neuropeptide Y Receptor Neurotensin Receptor Opioid Receptor Orexin Receptor (OX Receptor) Oxytocin Receptor P2Y Receptor Prostaglandin Receptor Protease-Activated Receptor (PAR) Ras RGS Protein Sigma Receptor Somatostatin Receptor TSH Receptor Urotensin Receptor Vasopressin Receptor Melanocortin Receptor
Immunology/Inflammation >
Aryl Hydrocarbon Receptor CCR Complement System COX CXCR FLAP Histamine Receptor IFNAR Interleukin Related IRAK MyD88 NO Synthase NOD-like Receptor (NLR) PD-1/PD-L1 PGE synthase Salt-inducible Kinase (SIK) SPHK STING Thrombopoietin Receptor Toll-like Receptor (TLR) Arginase
JAK/STAT Signaling >
EGFR JAK Pim STAT
MAPK/ERK Pathway >
ERK JNK KLF MAP3K MAP4K MAPKAPK2 (MK2) MEK Mixed Lineage Kinase MNK p38 MAPK Raf Ribosomal S6 Kinase (RSK)
Membrane Transporter/Ion Channel >
ATP Synthase BCRP Calcium Channel CFTR Chloride Channel CRAC Channel CRM1 EAAT2 GABA Receptor GlyT HCN Channel iGluR Monoamine Transporter Monocarboxylate Transporter Na+/Ca2+ Exchanger Na+/HCO3- Cotransporter Na+/K+ ATPase nAChR NKCC P-glycoprotein P2X Receptor Potassium Channel Proton Pump SGLT Sodium Channel TRP Channel URAT1
Metabolic Enzyme/Protease >
15-PGDH 5 alpha Reductase 5-Lipoxygenase Acetyl-CoA Carboxylase Acyltransferase Adenosine Deaminase Adenosine Kinase Aldehyde Dehydrogenase (ALDH) Aldose Reductase Aminopeptidase Angiotensin-converting Enzyme (ACE) ATGL ATP Citrate Lyase Carbonic Anhydrase Carboxypeptidase Cathepsin CETP COMT Cytochrome P450 Dipeptidyl Peptidase Dopamine β-hydroxylase E1/E2/E3 Enzyme Elastase Enolase FAAH FABP Factor Xa Farnesyl Transferase Fatty Acid Synthase (FAS) FXR Glucokinase GSNOR Gutathione S-transferase HCV Protease Hexokinase HIF/HIF Prolyl-Hydroxylase HIV Integrase HIV Protease HMG-CoA Reductase (HMGCR) HSP Indoleamine 2,3-Dioxygenase (IDO) Isocitrate Dehydrogenase (IDH) Lactate Dehydrogenase LXR MAGL Mineralocorticoid Receptor Mitochondrial Metabolism MMP Nampt NEDD8-activating Enzyme Neprilysin PAI-1 PDHK PGC-1α Phosphatase Phosphodiesterase (PDE) Phospholipase Procollagen C Proteinase Proteasome Pyruvate Kinase RAR/RXR Renin ROR Ser/Thr Protease SGK Stearoyl-CoA Desaturase (SCD) Thrombin Tryptophan Hydroxylase Tyrosinase Xanthine Oxidase
Neuronal Signaling >
5-HT Receptor AChE Adenosine Kinase Amyloid-β Beta-secretase CaMK CGRP Receptor COMT Dopamine Receptor Dopamine Transporter FAAH GABA Receptor GlyT iGluR Imidazoline Receptor mAChR Melatonin Receptor Monoamine Oxidase nAChR Neurokinin Receptor Opioid Receptor Serotonin Transporter γ-secretase
NF-κB >
NF-κB IKK Keap1-Nrf2 MALT1
PI3K/Akt/mTOR >
Akt AMPK ATM/ATR DNA-PK GSK-3 MELK mTOR PDK-1 PI3K PI4K PIKfyve PTEN
PROTAC >
PROTAC E3 Ligase Ligand-Linker Conjugate Ligand for E3 Ligase PROTAC Linker PROTAC-linker Conjugate for PAC
Protein Tyrosine Kinase/RTK >
Ack1 ALK Bcr-Abl BMX Kinase Btk c-Fms c-Kit c-Met/HGFR Discoidin Domain Receptor DYRK EGFR Ephrin Receptor FAK FGFR FLT3 IGF-1R Insulin Receptor IRAK Itk PDGFR PKA Pyk2 ROS Src Syk TAM Receptor Trk Receptor VEGFR
Stem Cell/Wnt >
Casein Kinase ERK Gli GSK-3 Hedgehog Hippo (MST) JAK Notch Oct3/4 PKA Porcupine ROCK sFRP-1 Smo STAT TGF-beta/Smad Wnt YAP β-catenin γ-secretase
TGF-beta/Smad >
TGF-beta/Smad PKC ROCK TGF-β Receptor
Vitamin D Related >
VD/VDR
Others >
Androgen Receptor Aromatase Estrogen Receptor/ERR Progesterone Receptor Thyroid Hormone Receptor Others

PARP Inhibitor IX, EB-47

EB-47, a potent and selective PARP-1/ARTD-1 inhibitor with an IC50 value of 45 nM, shows modest potency against ARTD5 with an IC50 value of 410 nM. EB-47 mimics the substrate NAD+ and extends from the nicotinamide to the adenosine subsite[1].

  • CAS Number: 366454-36-6
  • MF: C24H27N9O6
  • MW: 537.52800
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

8-fluoro-2-(4-methylaminomethyl-phenyl)-1,3,4,5-tetrahydro-azepino[5,4,3-cd]indol-6-one acetate

Rucaparib (AG014699) acetate is an orally active, potent inhibitor of PARP proteins (PARP-1, PARP-2 and PARP-3) with a Ki of 1.4 nM for PARP1. Rucaparib acetate is a modest hexose-6-phosphate dehydrogenase (H6PD) inhibitor. Rucaparib acetate has the potential for castration-resistant prostate cancer (CRPC) research[1][2][3][4].

  • CAS Number: 773059-23-7
  • MF: C21H22FN3O3
  • MW: 383.41600
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

MK-4827(Niraparib)

Niraparib (MK-4827) is a highly potent PARP1 and PARP2 inhibitor with IC50s of 3.8 and 2.1 nM, respectively.

  • CAS Number: 1038915-60-4
  • MF: C19H20N4O
  • MW: 320.388
  • Catalog: PARP
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 463.6±45.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 234.2±28.7 °C

E7016

E7016 (GPI 21016) is an orally available PARP inhibitor. E7016 can enhance tumor cell radiosensitivity in vitro and in vivo through the inhibition of DNA repair. E7016 acts as a potential anticancer agent[1][2].

  • CAS Number: 902128-92-1
  • MF: C20H19N3O3
  • MW: 349.38300
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

TNKS-2-IN-2

TNKS-2-IN-2 is a potent and selective inhibitor of TNKS2 with an IC50 of 22 nM[1].

  • CAS Number: 2719726-91-5
  • MF: C26H23N3O6
  • MW: 473.48
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

DR 2313

DR2313 is a potent, selective, competitive and brain-penetrant inhibitor of poly(ADP-ribose) polymerase (PARP), with IC50s of 0.20 μM and 0.24 μM for PARP-1 and PARP-2, respectively. DR2313 exhibits neuroprotective effects on ischemic injuries in vitro and in vivo[1][2].

  • CAS Number: 284028-90-6
  • MF: C8H10N2OS
  • MW: 182.243
  • Catalog: PARP
  • Density: 1.5±0.1 g/cm3
  • Boiling Point: 349.3±52.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 165.0±30.7 °C

Rucaparib tartrate

Rucaparib (AG014699) tartrate is an orally active, potent inhibitor of PARP proteins (PARP-1, PARP-2 and PARP-3) with a Ki of 1.4 nM for PARP1. Rucaparib tartrate is a modest hexose-6-phosphate dehydrogenase (H6PD) inhibitor. Rucaparib tartrate has the potential for castration-resistant prostate cancer (CRPC) research[1][2][3][4].

  • CAS Number: 773059-22-6
  • MF: C23H24FN3O7
  • MW: 473.45
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Venadaparib hydrochloride

Venadaparib (IDX-1197) hydrochloride is a potent and selective PARP inhibitor with anticancer activities. Venadaparib hydrochloride can be used for solid tumors research[1][2].

  • CAS Number: 1681020-60-9
  • MF: C23H24ClFN4O2
  • MW: 442.91
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

KX-01-191

KX-01-191, a Boronic Ester Precursor, is a potent PARP inhibitor[1].

  • CAS Number: 2211903-84-1
  • MF: C28H39N3OSn
  • MW: 552.34
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

NMS-P515

NMS-P515 is a potent and stereospecific PARP-1 inhibitor, with an IC50 of 27 nM in hela cells. Anti-tumor activity[1].

  • CAS Number: 1262395-13-0
  • MF: C21H29N3O2
  • MW: 355.47
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

OM-153

OM-153 is a potent tankyrase inhibitor with IC50s of 13 and 2 nM for tankyrase 1 and tankyrase 2, respectively. OM-153 shows inhibition of WNT/β-catenin signaling and proliferation in COLO 320DM[1].

  • CAS Number: 2406278-81-5
  • MF: C28H24FN7O2
  • MW: 509.53
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

N-(3-Chlorophenyl)-2-(4-(4-chlorophenyl)-1-oxophthalazin-2(1H)-yl)acetamide

PARP-1-IN-2 (compound 11g) is a potent and BBB-penetrated PARP1 inhibitor, with an IC50 of 149 nM. PARP1-IN-2 shows significantly potent anti-proliferative activity against Human lung adenocarcinoma epithelial cell line A549. PARP1-IN-2 can induce A549 cells apoptosis[1].

  • CAS Number: 684234-55-7
  • MF: C22H15Cl2N3O2
  • MW: 424.28
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Simmiparib

Simmiparib is a novel potent, orally active PARP1/2 inhibitor with IC50 of 1.75/0.22 nM, inhibits PARP1 >90-fold more potently than the other PARPs (PARP3, TNKS1, TNKS2); selectively induces the accumulation of DNA double-strand breaks, G2/M arrest and apoptosis in homologous recombination repair (HR)-deficient cells; potentiates the proliferative inhibition of several conventional anticancer drugs, reduces the poly(ADP-ribose) formation in HR-deficient cancer cells and xenografts; exhibits 10-fold greater growth inhibition than olaparib against HR-deficient human cancer cell- or tissue-derived xenografts in nude mice. Solid Tumors Phase 1 Clinical

  • CAS Number: 1551355-46-4
  • MF: C23H18F4N6O2
  • MW: 486.431
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

OM-1700

OM-1700 is a potent tankyrase inhibitor with IC50s of 127 and 14 nM for tankyrase 1 and tankyrase 2, respectively. OM-1700 reduces cell growth in the colon cancer cell line COLO 320DM (GI50=650 nM)[1].

  • CAS Number: 2406276-78-4
  • MF: C25H23FN6O2
  • MW: 458.49
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

5-Aminoisoquinolin-1(2H)-one

5-AIQ (5-Aminoisoquinolin-1-one) is a water-soluble PARP-1 inhibitor. 5-AIQ is an important functional group in various drugs. 5-AIQ reduces the tissue injury associated with ischemia-reperfusion of the liver, it can be used for the research of the therapy conditions associated with ischemia-reperfusion of the liver[1][2].

  • CAS Number: 93117-08-9
  • MF: C9H8N2O
  • MW: 160.173
  • Catalog: PARP
  • Density: 1.3±0.1 g/cm3
  • Boiling Point: 477.3±45.0 °C at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 242.4±28.7 °C

OUL245

OUL245 is a 7-Hydroxy derivative, and a selectively PARP2 inhibitor (IC50=44 nM). OUL245 also inhibits other PARP and TNKS enzymes with IC50s of 2.9-8.8 μM[1].

  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Talazoparib

Talazoparib (BMN-673) is a highly potent PARP1/2 inhibitor with Kis of 1.2 nM and 0.87 nM, respectively.

  • CAS Number: 1207456-01-6
  • MF: C19H14F2N6O
  • MW: 380.351
  • Catalog: PARP
  • Density: 1.6±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Pamiparib

Pamiparib is a PARP inhibitor which can be used for the treatment of various cancers including the solid tumor, extracted from patent WO 2013097225 A1.

  • CAS Number: 1446261-44-4
  • MF: C16H15FN4O
  • MW: 298.315
  • Catalog: PARP
  • Density: 1.7±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ART-IN-1

ART-IN-1 (compound 7) is a selective PARP inhibitor with IC50s of 19, 22, 2.4, >100, 1.1 µM for PARP2, TNKS2, PARP10, PARP14, PARP15, respectively[1].

  • CAS Number: 2418014-98-7
  • MF: C14H13NO2S
  • MW: 259.32
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Parpi-fl

PARPi-FL is a small molecule and fluorescent inhibitor of PARP1. PARPi-FL is a highly selective probe and can be used as an imaging agent to detect glioblastomas in vivo[1].

  • CAS Number: 1380359-84-1
  • MF: C34H32BF3N6O3
  • MW: 640.46
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Dehydrocorydalin

Dehydrocorydaline (13-Methylpalmatine) is an alkaloid isolated from traditional Chinese herb Corydalis yanhusuo W.T. Wang. Dehydrocorydaline regulates protein expression of Bax, Bcl-2; activates caspase-7, caspase-8, and inactivates PARP.

  • CAS Number: 30045-16-0
  • MF: C22H24NO4+
  • MW: 366.43000
  • Catalog: Bcl-2 Family
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: 170-173℃
  • Flash Point: N/A

Antitumor agent-104

Antitumor agent-104 (Compound 9) is an antitumor agent by inhibiting DNA damage repair in tumors. Antitumor agent-104 inhibits PARP1 enzymatic activity and the PAR protein level. Antitumor agent-104 also inhibits the expression of CDK12[1].

  • CAS Number: 2245272-16-4
  • MF: C31H33FN6O3
  • MW: 556.63
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

XAV-939

XAV-939 is a tankyrase (TNKS) inhibitor and an indirect inhibitor of Wnt/β-catenin signaling, with IC50s of 5 and 2 nM for TNKS1 and TNKS2, respectively.

  • CAS Number: 284028-89-3
  • MF: C14H11F3N2OS
  • MW: 312.310
  • Catalog: PARP
  • Density: 1.5±0.1 g/cm3
  • Boiling Point: 429.3ºC at 760 mmHg
  • Melting Point: N/A
  • Flash Point: 213.4ºC

CEP-8983

CEP-8983 is a PARP-1 and PARP-2 inhibitor (IC50: 20 and 6 nM). CEP-8983 is an effective chemosensitizing agent, and can sensitize chemotherapy-resistant cell lines and subcutaneous xenografts to Temozolomide (HY-17364) and Camptothecin (HY-16560)[1].

  • CAS Number: 374071-46-2
  • MF: C18H14N2O3
  • MW: 306.31500
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

3',4'-dimethoxyflavone

3',4'-Dimethoxyflavone is a lipophilic flavone, can be isolated from the leaves of Primula veris. 3',4'-Dimethoxyflavone can reduce the synthesis and accumulation of PARP and protect cortical neurones against cell death induced by Parthanatos. 3',4'-Dimethoxyflavone is also an aryl hydrocarbon receptor antagonist in human breast cancer cells. 3',4'-Dimethoxyflavone can promote the proliferation of human hematopoietic stem cells. 3',4'-Dimethoxyflavone has various biological activities, including antioxidant, anti-cancer, anti-inflammatory, anti-atherogenic, hypolipidaemic, and neuroprotective or neurotrophic effects[1][2][3][4].

  • CAS Number: 4143-62-8
  • MF: C17H14O4
  • MW: 282.29100
  • Catalog: PARP
  • Density: 1.242g/cm3
  • Boiling Point: 428.5ºC at 760 mmHg
  • Melting Point: 154-155°C
  • Flash Point: 190.6ºC

PARP7-IN-16

PARP7-IN-16 (compound 36) is a potent, selective and orally active inhibitor of PARP-1/2/7, with IC50s of 0.94, 0.87 and 0.21 nM, respectively. PARP7-IN-16 can be used for the research of breast cancer and prostate cancer[1].

  • CAS Number: 2435657-10-4
  • MF: C25H26FN4NaO4
  • MW: 488.49
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Benzamide

Benzamide inhibits poly(ADP-ribose) polymerase (PARP).

  • CAS Number: 55-21-0
  • MF: C7H7NO
  • MW: 121.137
  • Catalog: PARP
  • Density: 1.1±0.1 g/cm3
  • Boiling Point: 221.5±23.0 °C at 760 mmHg
  • Melting Point: 125-128 °C(lit.)
  • Flash Point: 87.8±22.6 °C

KCL-440

KCL-440 is a CNS-penetrated PARP inhibitor, with an IC50 of 68 nM. KCL-440 has strong inhibition of PARP-1[1][2].

  • CAS Number: 651029-09-3
  • MF: C18H18N2O2
  • MW: 294.35
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

NU1025

NU1025 is a potent PARP inhibitor with an IC50 of 400 nM and a Ki of 48 nM. NU1025 potentiates the cytotoxicity of ionizing radiation and anticancer drugs. NU1025 has anti-cancer and neuroprotective activity[1][2][3].

  • CAS Number: 90417-38-2
  • MF: C9H8N2O2
  • MW: 176.172
  • Catalog: PARP
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: 345.4±44.0 °C at 760 mmHg
  • Melting Point: 253-258ºC
  • Flash Point: 162.7±28.4 °C

BRCA1-IN-2

BRCA1-IN-2 (compound 15) is a cell-permeable protein-protein interaction (PPI) inhibitor for BRCA1 with an IC50 of 0.31 μM and a Kd of 0.3 μM, which shows antitumor activities via the disruption of BRCA1 (BRCT)2/protein interactions[1].

  • CAS Number: 1622262-55-8
  • MF: C26H33N4O7P
  • MW: 544.54
  • Catalog: PARP
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A