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 >
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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 >
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NF-κB >
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PI3K/Akt/mTOR >
Akt AMPK ATM/ATR DNA-PK GSK-3 MELK mTOR PDK-1 PI3K PI4K PIKfyve PTEN
PROTAC >
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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 >
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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

AU-15330

AU-15330 is a proteolysis-targeting chimera (PROTAC) degrader of the SWI/SNF ATPase subunits, SMARCA2 and SMARCA4. AU-15330 induces potent inhibition of tumour growth in xenograft models of prostate cancer and synergizes with the AR antagonist enzalutamide. AU-15330 induces disease remission in castration-resistant prostate cancer (CRPC) models without toxicity[1].

  • CAS Number: 2380274-50-8
  • MF: C39H49N9O5S
  • MW: 755.93
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CRBN-6-5-5-VHL

CRBN-6-5-5-VHL is a potent and selective cereblon (CRBN) degrader with a DC50 value of 1.5 nM. CRBN-6-5-5-VHL has almost no effect on the degradation of the neo-substrates IKZF1 and IKZF3[1].

  • CAS Number: 2362575-45-7
  • MF: C51H69N7O10S
  • MW: 972.20
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

BSJ-03-204

BSJ-03-204 is a potent and selective Palbociclib-based CDK4/6 dual degrader (PROTAC), with IC50s of 26.9 nM and 10.4 nM for CDK4/D1 and CDK6/D1, respectively. BSJ-03-204 does not induce IKZF1/3 degradation and has anti-cancer activity[1].

  • CAS Number: 2349356-09-6
  • MF: C43H48N10O8
  • MW: 832.90
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SIAIS178

SIAIS178 is a potent and selective BCR-ABL degrader based on PROTAC technology with an IC50 of 24 nM. SIAIS178 causes effective degradation of BCR-ABL protein by recruiting Von Hippel-Lindau (VHL) E3 ubiquitin ligase. SIAIS178 has anticancer activity[1].

  • CAS Number: 2376047-73-1
  • MF: C50H62ClN11O6S2
  • MW: 1012.68
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC FLT-3 degrader 1

PROTAC FLT-3 degrader 1 is an FLT-3 internal tandem duplication (ITD) degrader with an IC50 0.6 nM. Anti-proliferative activity; apoptosis induction[1].

  • CAS Number: 2230826-81-8
  • MF: C52H61N9O9S2
  • MW: 1020.23
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ERK-CLIPTAC

ERK-CLIPTAC is a PROTAC molecule that triggers the degradation of ERK[1].

  • CAS Number: 2087490-46-6
  • MF: C60H61ClN12O9
  • MW: 1129.65
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC EED degrader-1

PROTAC EED degrader-1 is a PROTAC targeting EED with a pKD of 9.02. PROTAC EED degrader-1 is a polycomb repressive complex 2 (PRC2) inhibitor (pIC50=8.17) targeting the EED subunit[1].

  • CAS Number: 2639882-72-5
  • MF: C55H60FN11O8S
  • MW: 1054.20
  • Catalog: Histone Methyltransferase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC 6

PROTAC CDK9 Degrader-1 is a selective CDK9 degrader.

  • CAS Number: 2118356-96-8
  • MF: C33H35N5O7
  • MW: 613.66
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ERD-3111

ERD-3111 (Compound 44) is an orally active PROTAC ERα degrader (DC50: 0.5 nM). ERD-3111 inhibits tumor growth in the parental MCF-7 xenograft model with wild-type ER and two clinically relevant ESR1 mutated mice model. ERD-3111 can be used in the research of ER+ breast cancer[1].

  • CAS Number: 2832865-25-3
  • MF: C45H46F4N8O5
  • MW: 854.89
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CC-885-CH2-PEG1-NH-CH3

CC-885-CH2-PEG1-NH-CH3 is a neoDegrader that can be used in the synthesis of Antibody neoDegrader Conjugate (AnDC)[1][2].

  • CAS Number: 2722698-03-3
  • MF: C26H30ClN5O5
  • MW: 528.00
  • Catalog: ADC Cytotoxin
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ERD-308

ERD-308 is a highly potent PROTAC degrader of estrogen receptor (ER), with an DC50 of 0.17 nM in MCF-7 cells[1].

  • CAS Number: 2320561-35-9
  • MF: C55H65N5O9S2
  • MW: 1004.26
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC BET degrader-2

PROTAC BET degrader-2 is a highly potent degrader of Bromodomain and Extra-Terminal (BET) proteins with an IC50 value of 9.6 nM in cell growth inhibition in the RS4;11 cells and capable of achieving tumor regression.

  • CAS Number: 2093388-33-9
  • MF: C41H42N10O6
  • MW: 770.84
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

HDAC6 degrader-3

HDAC6 degrader-3 is a potent and selective HDAC6 degrader via ternary complex formation and the ubiquitin-proteasome pathway with a DC50 value of 19.4 nM. HDAC6 degrader-3 has IC50s of 4.54 nM and 0.647 μM for HDAC6 and HDAC1, respectively. HDAC6 degrader-3 causes strong hyperacetylation of α-tubulin[1].

  • CAS Number: 2785404-83-1
  • MF: C41H41F4N7O11
  • MW: 883.80
  • Catalog: HDAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

Dovitinib-RIBOTAC TFA

Dovitinib RIBOTAC TFA is a targeted RNA degrader that cleaves pre-miR-21 with enhanced potency and selectivity.

  • CAS Number: 2759351-69-2
  • MF: C53H57F4N9O12S
  • MW: 1120.13
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC RIPK degrader-6

PROTAC RIPK degrader-6 (example 1) is a PROTAC targeting RIP Kinase degradation wherein the RIP2 kinase inhibitor is linked via a linker to a cereblon binder[1].

  • CAS Number: 2089205-64-9
  • MF: C43H48N6O11S2
  • MW: 889.00
  • Catalog: RIP kinase
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

dTRIM24

dTRIM24 is a selective bifunctional degrader of TRIM24 based on PROTAC.

  • CAS Number: 2170695-14-2
  • MF: C55H68N8O13S2
  • MW: 1113.3
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC BTK Degrader-6

PROTAC BTK Degrader-6 (Compound 15) is a PROTAC BTK degrader (DC50: 3.18 nM. PROTAC BTK Degrader-6 has anti-inflammatory activity, inhibits NF-κB activation, and inhibits the expression of pro-inflammatory cytokines (e.g. IL-1β, IL-6)[1].

  • CAS Number: 2767204-39-5
  • MF: C45H47N11O6
  • MW: 837.92
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC BRD4 Degrader-1

PROTAC BRD4 Degrader-1 is an efficacious BRD4 degrader with an IC50 of 41.8 nM against BRD4 BD1. PROTAC BRD4 Degrader-1 can effectively degrade BRD4 protein and suppress c-Myc expression[1].

  • CAS Number: 2133360-00-4
  • MF: C40H37N9O8
  • MW: 771.78
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

CCT367766

CCT-367766 (CCT367766) is a novel heterobifunctional PROTAC that binds and degrades the putative transcription factor regulator Pirin in cells.

  • CAS Number: 2229856-58-8
  • MF: C49H48ClN7O11
  • MW: 946.41
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

E3 Ligand-Linker Conjugate 4

E3 ligase Ligand 9 is a Ligand of BETd-260 for E3 Ligase used in PROTAC. BETd-260 is a potent BET degrader based on PROTAC technology, with an IC50 of 51 pM against BRD4 protein in RS4;11 leukemia cell line[1].

  • CAS Number: 2093388-45-3
  • MF: C18H23N3O3
  • MW: 329.39
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC CRBN Degrader-1

PROTAC CRBN Degrader-1 comprises a cereblon (CRBN) ligand binding group, a linker and an von Hippel-Landau (VHL) binding group. PROTAC CRBN Degrader-1 is an cereblon (CRBN) degrader[1].

  • CAS Number: 2358775-70-7
  • MF: C53H72N8O13S
  • MW: 1061.25
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC FKBP Degrader-3

PROTAC FKBP Degrader-3 is a PROTAC that comprises a FKBP ligand binding group, a linker and an VHL binding group. PROTAC FKBP Degrader-3 is a potent FKBP degrader[1].

  • CAS Number: 2079056-43-0
  • MF: C68H90N6O17S
  • MW: 1295.54
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC Bcl-xL degrader-3

PROTAC Bcl-xL degrader-3 is a potent ROTAC Bcl-xL degrader (WO2020163823A2, compound 44)[1].

  • CAS Number: 2471970-60-0
  • MF: C82H105ClF3N11O11S4
  • MW: 1641.49
  • Catalog: Bcl-2 Family
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

TD-802

TD-802 (Compound 33c) is an androgen receptor (AR) PROTAC degrader with good microsomal stability. TD-802 has good antitumor efficacy in vivo and can be used for metastatic castration-resistant prostate cancer research[1].

  • CAS Number: 2760703-21-5
  • MF: C52H61ClN10O6
  • MW: 957.56
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC Her3 Degrader-8

PROTAC Her3 Degrader-8 (Compound PP2) is a PROTAC that can degrade Her3 protein in vitro and cell experiments, and can be used to study diseases regulated by HER family proteins[1].

  • CAS Number: 2103331-95-7
  • MF: C49H55N11O6S
  • MW: 926.10
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

PROTAC α-synuclein degrader 5

PROTAC α-synuclein degrader 5 is a highly selective small-molecule degraders (PROTAC) of α-synuclein aggregates, with an DC50 of 7.51 μM and the highest degradation rate Dmax of 89%. PROTAC α-synuclein degrader 5 contains probe molecule sery308 and E3 ligase ligands. PROTAC α-synuclein degrader 5 can be used for neurological disease research[1].

  • CAS Number: 2781922-42-5
  • MF: C39H41N7O10
  • MW: 767.78
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

dBRD9 dihydrochloride

dBRD9 dihydrochloride is a potent and selective degrader (PROTAC) of BRD9 with IC50 of 56.6 nM in MOLM-13 cells.dBRD9 is composed of the BRD9 inhibitor BI 7273 conjugated to the cereblon E3 ligase ligand pomalidomide.dBRD9 does not degrade BRD4 or BRD7 at concentrations up to 5 uM.dBRD9 exhibits antiproliferative effects in human AML cell lines.

  • CAS Number: 2341840-98-8
  • MF: C40H47Cl2N7O10
  • MW: 856.755
  • Catalog: Epigenetic Reader Domain
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

SNX7886

SNX7886 is a potent protac degrader of CDK8/19. SNX7886 degrades CDK 8 and CDK 19 with 90% and 80% degradation in 293 cells, respectively[1].

  • CAS Number: 2924557-42-4
  • MF: C52H59N9O7
  • MW: 922.08
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

XY028-133

XY028-133 (example 14) is a PROTAC-based CDK4/6 degrader with anti-tumor activity, extracted from patent WO2018106870A1[1].

  • CAS Number: 2229974-73-4
  • MF: C53H67N11O7S
  • MW: 1002.23
  • Catalog: CDK
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A

ARV-766

ARV-766 is an orally active and potent proteolysis targeting chimera (PROTAC) protein degrader. ARV-766 degrades wild-type androgen receptor (AR) but also relevant AR LBD mutants, including the most prevalent AR L702H, H875Y, and T878A mutations[1].

  • CAS Number: 2750830-09-0
  • MF: C45H54FN7O6
  • MW: 807.95
  • Catalog: PROTAC
  • Density: N/A
  • Boiling Point: N/A
  • Melting Point: N/A
  • Flash Point: N/A