The PROTAC molecule itself contains three distinct portions: a ligand for binding to the target protein, a ligand for binding to an E3 ligase, and a linker joining these two ligands. PROTACs (proteolysis-targeting chimaeras) are bifunctional molecules that bring a target protein into spatial proximity with an E3 ubiquitin ligase to trigger target ubiquitination and subsequent proteasomal degradation. Effective redirection of ligase poly-ubiquitination activity toward a new substrate protein requires formation of a ligase:PROTAC:target ternary complex, an intermediate species that is crucial to the cellular activity of degrader molecules. A characteristic feature of PROTACs mode of action is their sub-stoichiometric catalytic activity that alleviates the requirement for target engagement and occupancy of traditional inhibitors. New PROTAC molecules designed guided by the crystal structure show exquisite selectivity for inducing cellular depletion of Brd4 over its BET family members Brd2 and Brd3.


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

Thalidomide-NH-CBP/p300 ligand 2

Thalidomide-NH-CBP/p300 ligand 2 (P-007) is a PROTAC-based CBP and p300 degrader (extracted from patent WO2020173440)[1].

  • CAS Number: 2484739-21-9
  • MF: C48H57F2N11O6
  • MW: 922.03
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC CDK9 degrader-4

PROTAC CDK9 degrader-4 is a highly potent and efficacious CDK9 degrader for targeting transcription regulation.

  • CAS Number: 2411021-01-5
  • MF: C43H56N10O5
  • MW: 792.97
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC MDM2 Degrader-1

PROTAC MDM2 Degrader-1 is a MDM2 degrader based on PROTAC technology. PROTAC MDM2 Degrader-1 composes of a potent MDM2 inhibitor, linker, and the MDM2 ligand for E3 ubiquitin ligase[1].

  • CAS Number: 2249944-98-5
  • MF: C74H84Cl4N10O13
  • MW: 1463.33
  • Catalog: MDM-2/p53
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

FAK PROTAC B5

FAK PROTAC B5 (Compound B5) is a FAK PROTAC degrader with an IC50 value of 14.9 nM. FAK PROTAC B5 presents strong FAK degradation activity, antiproliferative activity, outstanding plasma stability and moderate membrane permeability. FAK PROTAC B5 inhibits cell migration and invasion[1].

  • CAS Number: 2471525-44-5
  • MF: C41H43ClN10O7
  • MW: 823.30
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

dTAG-47

dTAG-47, heterobifunctional dTAG molecule, targets mutant FKBP12 (FKBP12F36V). FKBP12F36V serves as a degradation tag (dTAG) and is fused to a protein of interest. dTAG-47 can be used for the research of basal-like breast cancers (BBC)[1].

  • CAS Number: 2265886-81-3
  • MF: C59H73N5O14
  • MW: 1076.24
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC MDM2 Degrader-2

PROTAC MDM2 Degrader-2 is a MDM2 degrader based on PROTAC technology. PROTAC MDM2 Degrader-2 composes of a potent MDM2 inhibitor, linker, and the MDM2 ligand for E3 ubiquitin ligase[1].

  • CAS Number: 2249944-99-6
  • MF: C70H76Cl4N10O12
  • MW: 1391.22
  • Catalog: MDM-2/p53
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC ERRα Degrader-3

PROTAC ERRα Degrader-3 is a potent and selective ERRα degrader based on PROTAC. PROTAC ERRα Degrader-3 is capable of specifically degrading ERRα protein by >80% at a concentration of 30 nM. PROTAC ERRα Degrader-3 is inactive against ERRβ and ERRγ proteins[1].

  • CAS Number: 2306388-65-6
  • MF: C47H50F6N6O7S
  • MW: 956.99
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC SMARCA2 degrader-2

PROTAC SMARCA2 degrader-2 is a potent and selective SMARCA2/4 PROTAC degrader with an IC50 of <0.1 μΜ in HeLa HiBiT assay. PROTAC SMARCA2 degrader-2 is extracted from patent WO2023287787A1 and has the potential for SMARCA4-related or deficient cancer research[1].

  • CAS Number: 2892523-74-7
  • MF: C49H62N10O6S
  • MW: 919.14
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

C004019

C004019 is a small molecule PROTAC capable of targeting tau for selective protein degradation from the cell, while recruiting tau and E3 ligase (Vhl) for selective enhancement of tau ubiquitination and proteollyzation. C004019 is a candidate for AD and related tau protein diseases.

  • CAS Number: 2417159-57-8
  • MF: C49H70N12O9S2
  • MW: 1035.29
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC BET Degrader-1

PROTAC BET Degrader-1 is a potent BET degrader based on PROTAC, decreasing BRD2, BRD3, and BRD4 protein levels at low concentration.

  • CAS Number: 2093386-22-0
  • MF: C44H45N11O9
  • MW: 871.9
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC IRAK4 degrader-7

PROTAC IRAK4 degrader-7 (Compound I-417) is an orally active PROTAC IRAK4 degrader with antitumor activities[1].

  • CAS Number: 2432994-31-3
  • MF: C44H49F2N11O6
  • MW: 865.93
  • Catalog: IRAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

HDAC6 degrader-1

HDAC6 degrader-1 is a PROTAC that comprises a selective HDAC6 inhibitor Nexturastat A (Nex A) as the HDAC6 binder, a linker and a ligand for recruiting E3 ligase. HDAC6 degrader-1 induces significant degradation of HDAC6, exhibits excellent selectivity against other HDACs, and demonstrates efficient inhibition of cell proliferation[1].

  • CAS Number: 2439058-23-6
  • MF: C40H45N9O9
  • MW: 795.84
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SHP2 protein degrader-1

SHP2 protein degrader-1 is a potent allosteric inhibitor of SHP2. SHP2 protein degrader-1 induces SHP2 degradation and cell apoptosis. SHP2 protein degrader-1 has the potential for researching SHP2 related diseases[1].

  • CAS Number: 2624181-69-5
  • MF: C42H51Cl2N11O8
  • MW: 908.83
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

RIPK2-IN-2

RIPK2-IN-2 (example 25) is a RIP2 kinase PROTAC inhibitor. RIPK2-IN-2 can block RIP2-dependent proinflammatory signaling, regulated RIP2 kinase activity in auto inflammatory diseases[1].

  • CAS Number: 2143956-20-9
  • MF: C53H65FN14O7S2
  • MW: 1093.30
  • Catalog: RIP kinase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC IRAK4 degrader-2

PROTAC IRAK4 degrader-2 (Compound 9) is a PROTAC-based IRAK4 degrader that affords potent IRAK4 degradation with a DC50 in peripheral blood mononuclear cells (PBMCs) cells of 151 nM. PROTAC IRAK4 degrader-2 induce a reduction of IRAK4 protein levels with a DC50 of 36 nM in PBMC cells. PROTAC IRAK4 degrader-2 also leads to the inhibition of multiple cytokines in PBMCs[1].

  • CAS Number: 2374122-27-5
  • MF: C57H68FN11O8S
  • MW: 1086.28
  • Catalog: IRAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

TL 13-112

TL13-112 is a novel Anaplastic Lymphoma Kinase (ALK)-PROTAC developed through conjugation of LDK378 and the cereblon ligand pomalidomide; also promotes the degradation of additional kinases including PTK2 (FAK), Aurora A, FER, and RPS6KA1 (RSK1).

  • CAS Number: 2229037-19-6
  • MF: C49H60ClN9O10S
  • MW: 1002.573
  • Catalog: PROTAC
  • Density: 1.4±0.1 g/cm3
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC IRAK3 degrade-1

PROTAC IRAK3 degrade-1 is a potent and selective degrader of IRAK3 (IC50 = 5 nM).

  • CAS Number: 2712600-00-3
  • MF: C47H63N11O6
  • MW: 878.07
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC BRD9 Degrader-2

PROTAC BRD9 Degrader-2 is a BRD9 bifunctional degrader for treating cancer.

  • CAS Number: 2633631-78-2
  • MF: C39H48ClN5O7
  • MW: 734.28
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC MDM2 Degrader-4

PROTAC MDM2 Degrader-4 is a MDM2 degrader based on PROTAC technology. PROTAC MDM2 Degrader-4 composes of a potent MDM2 inhibitor, linker, and the MDM2 ligand for E3 ubiquitin ligase[1].

  • CAS Number: 2249750-24-9
  • MF: C70H74Cl4N8O14
  • MW: 1393.19
  • Catalog: MDM-2/p53
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

KB02-JQ1

KB02-JQ1 is a highly selective and PROTAC-based BRD4 degrader (molecular glue), but does not degrade BRD2 or BRD3. KB02-JQ1 promotes BRD4 degradation by covalently modifying DCAF16 (E3 ligase) and can improve the durability of protein degradation in biological systems. JQ1 binds ubiquitin E3 ligase ligand KB02 via a linker to form KB02-JQ1[1].

  • CAS Number: 2384184-44-3
  • MF: C38H43Cl2N7O6S
  • MW: 796.76
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

AT 1

BRD4 degrader AT1 is a highly selective Brd4 degrader based on PROTAC technology, with a Kd of 44 nM for Brd4BD2 in cells.

  • CAS Number: 2098836-45-2
  • MF: C48H58ClN9O5S3
  • MW: 972.68
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC AR Degrader-4

PROTAC AR Degrader-4 comprises a cIAP1 ligand binding group, a linker and an androgen receptor (AR) binding group. PROTAC AR Degrader-4 is an AR degrader. Degradation inducers based on cIAP1 are called specific and non-genetic IAP-dependent protein erasers (SNIPERs)[1].

  • CAS Number: 1351169-31-7
  • MF: C43H67N3O9
  • MW: 770.01
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

A947

A947 is a potent and selective SMARCA2 proteolysis-targeting chimera molecule (PROTAC). A947 also is a potent and moderately selective SMARCA2 degrader. A947 has binding affinity to the SMARCA2 bromodomain with a Kd value of 93 nM. A947 can be used for the research of cancer[1].

  • CAS Number: 2378056-80-3
  • MF: C61H76N12O7S
  • MW: 1121.40
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

MD13

MD13 is a macrophage migration inhibitory factor (MIF)-directed PROTAC with a Ki of 71 nM. MD13 can be used for cancer research[1].

  • CAS Number: 2758431-97-7
  • MF: C35H35N5O8
  • MW: 653.68
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC IRAK4 degrader-4

PROTAC IRAK4 degrader-4 is a PROTAC interleukin-1 receptor-associated kinase 4 (IRAK4) degrader extracted from patent US20190192668A1, compound I-127[1].

  • CAS Number: 2360528-45-4
  • MF: C41H38F3N11O10
  • MW: 901.80
  • Catalog: IRAK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SJFα

SJFα is a 13-atom linker PROTAC. SJFα degrades p38α with a DC50 of 7.16  nM, but is far less effective at degrading p38δ (DC50=299 nM) and does not degrade the other p38 isoforms (β and γ) at concentrations up to 2.5 µM[1].

  • CAS Number: 2254609-27-1
  • MF: C59H67F2N7O11S
  • MW: 1120.27
  • Catalog: p38 MAPK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

(S,R,S)-AHPC-C2-amide-benzofuranylmethyl-pyridine

(S,R,S)-AHPC-C2-amide-benzofuranylmethyl-pyridine is a dual target PROTAC that can not only target to the ubiquitination and degradation of Smad3 but also improve the HIF-α protein level. (S,R,S)-AHPC-C2-amide-benzofuranylmethyl-pyridine has a multi-path anti-fibrosis function and a renal protection function for research of renal anemia[1].

  • CAS Number: 2347517-69-3
  • MF: C41H46N6O6S
  • MW: 750.91
  • Catalog: HIF/HIF Prolyl-Hydroxylase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC PTPN2 degrader-1

PROTAC PTPN2 degrader-1 (compound example 77) is a potent PTPN2 degrader. PROTAC PTPN2 degrader-1 has the potential for the research of cancer or metabolic disease[1].

  • CAS Number: 2655638-07-4
  • MF: C33H27FN6O8S
  • MW: 686.67
  • Catalog: Phosphatase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Target Protein-binding moiety 4

Target Protein-binding moiety 4 is a BRD4(1) inhibitor with an IC50 of 7.9 μM.

  • CAS Number: 1300019-38-8
  • MF: C20H17ClN4O3
  • MW: 396.83
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

MS177

MS177 (MS-177) is a potent and selective EZH2 degarder (PROTAC) based on EZH2 inhibitor C24 with CRBN ligand pomalidomide with DC50 of 0.2 uM in EOL-1 cells.MS177 effectively degraded cellular EZH2-PRC2, suppressed global H3K27me3 in leukaemia cells.MS177 exhibited half-maximal degradation concentration (DC50) values of 0.2 ± 0.1 μM and 1.5 ± 0.2 μM, and maximum degradation (Dmax) values of 82% and 68%, respectively, in EOL-1 and MV4;11 cells.MS177 efficiently suppresses EZH2-PRC2 functions, also efficiently induces Myc degradation in cancer cells, suppresses EZH2-PRC2 functions.MS177 efficiently induces leukaemia cell growth inhibition, apoptosis and cell cycle progression arrest, which is more effective than EZH2 inhibitors. MS177 (i.p. injection, 50-1 g/kg) represses AML growth without apparent toxicity in PDX models.

  • CAS Number: 2225938-86-1
  • MF: C48H55N11O8
  • MW: 914.037
  • Catalog: Apoptosis
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A