2. Signaling Pathways
  3. PROTAC
  4. E3 Ligase Ligand-Linker Conjugates

E3 Ligase Ligand-Linker Conjugates

E3 Ligase Ligand-Linker Conjugates

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E3 Ligase Ligand-Linker Conjugate, which is one part of Proteolysis Targeting Chimeric Molecules (PROTACs), incorporates a ligand for the E3 ubiquitin ligase and a linker. After linked to the ligand for target protein (such as JQ1 for BRD4 protein, Molibresib for BET protein), those conjugates can be used for constituting PROTACs that targetprotein for ubiquitination and degradation. Currently, several PROTACs have been found to show good biological activity by specifically targeting BET, estrogen receptor (ER), androgen receptor, etc. MedChemExpress (MCE) offers a wide range of high quality E3 Ligase Ligand-Linker Conjugates including von Hippel-Lindau (VHL) ligands, MDM2 ligands, Cereblon (CRBN) ligands and cIAP1 ligands conjugating with different linkers (PEGs, Alkyl-Chain, Alkyl/ether, etc.). It’s convenient and time-saving for designing and synthesizinga wide variety of novel PROTACs (ARV-825, dBET1,MT-802, etc.), which can expand the application of PROTACs in the treatment of cancer, autoimmunity, inflammation and other diseases.

E3 Ligase Ligand-Linker Conjugates Isoform Specific Products:

E3 Ligase Ligand-Linker Conjugates Isoform Comparison
Cat. No. Product Name CAS No. Purity Chemical Structure
  • HY-131185
    Pomalidomide-amido-C3-COOH 2162120-77-4 99.55%
    Pomalidomide-amido-C3-COOH is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide based cereblon ligand and a linker used in PROTAC technology.
    Pomalidomide-amido-C3-COOH
  • HY-133139
    Lenalidomide-PEG1-azide 2185795-67-7
    Lenalidomide-PEG1-azide is a E3 ligase lgand-linker conjugate. Lenalidomide-PEG1-azide incorporates the Lenalidomide based cereblon ligand and a linker.?Lenalidomide-PEG1-azide?can be used to design a PROTAC BRD4 Degrader-2 (HY-133136). Lenalidomide-PEG1-azide is a click chemistry reagent, it contains an Azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing Alkyne groups. It can also undergo strain-promoted alkyne-azide cycloaddition (SPAAC) reactions with molecules containing DBCO or BCN groups.
    Lenalidomide-PEG1-azide
  • HY-103604
    (S,R,S)-AHPC-PEG4-NH2 hydrochloride 2064292-52-8 98.17%
    (S,R,S)-AHPC-PEG4-NH2 hydrochloride is a synthesized E3 ligase ligand-linker conjugate that incorporates the (S,R,S)-AHPC based VHL ligand and 4-unit PEG linker used in PROTAC technology.
    (S,R,S)-AHPC-PEG4-NH2 hydrochloride
  • HY-138848A
    Thalidomide-4-O-C5-NH2 hydrochloride 2419145-66-5
    Thalidomide-4-O-C5-NH2 hydrochloride is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker used in PROTAC technology.
    Thalidomide-4-O-C5-NH2 hydrochloride
  • HY-130713
    Thalidomide-C2-amido-C2-COOH 2353496-84-9 98.45%
    Thalidomide-C2-amido-C2-COOH contains a CRBN ligand and a linker for recruiting E3 ubiquitin ligases. Thalidomide-C2-amido-C2-COOH can be used to design and synthesize PROTAC CDK2/9 Degrader-1 (HY-130709). PROTAC CDK2/9 Degrader-1 is applicable to prostate cancer-related research.
    Thalidomide-C2-amido-C2-COOH
  • HY-155262
    Pomalidomide-5-C6-NH2 hydrochloride 3007650-02-1 98.46%
    Pomalidomide-5-C6-NH2 hydrochloride is the Pomalidomide (HY-10984)-based cereblon (CRBN) ligand used in the recruitment of CRBN protein. Pomalidomide-5-C6-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTAC.
    Pomalidomide-5-C6-NH2 hydrochloride
  • HY-160241
    Lenalidomide-C5-acid 2338824-30-7
    Lenalidomide-C5-acid is the Lenalidomide-based E3 ligase ligand-linker conjugate used in the recruitment of CRBN protein. Lenalidomide-C5-acid can be used to synthesize PROTACs.
    Lenalidomide-C5-acid
  • HY-W145436
    Thalidomide-Piperazine 5-fluoride hydrochloride 2222114-23-8 98.91%
    Thalidomide-Piperazine 5-fluoride hydrochloride is a derivative of cereblon (CRBN) inhibitor Thalidomide (HY-14658), which can be used as ligands for E3 ubiquitin ligase (Ligands for E3 Ligase) for PROTACs Synthesis.
    Thalidomide-Piperazine 5-fluoride hydrochloride
  • HY-131647
    Pomalidomide 4'-PEG5-acid 2139348-63-1
    Pomalidomide 4'-PEG5-acid (Pomalidomide-PEG5-CO2H) is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide based cereblon ligand and 5-unit PEG linker used in PROTAC technology.
    Pomalidomide 4'-PEG5-acid
  • HY-139339
    Pomalidomide 4'-alkylC6-azide 2375555-72-7 99.43%
    Pomalidomide 4'-alkylC6-azide is the Pomalidomide (HY-123324)-based cereblon (CRBN) ligand used in the recruitment of CRBN protein. Pomalidomide 4'-alkylC6-azide can be connected to the ligand for protein by a linker to form PROTAC.
    Pomalidomide 4'-alkylC6-azide
  • HY-130737
    Pomalidomide 4'-alkylC5-acid 2225940-49-6 98.78%
    Pomalidomide 4'-alkylC5-acid (Example 3) is an E3 ligase ligand-linker conjugate containing a Pomalidomide (HY-10984) based cereblon (CRBN) ligand and a linker. Pomalidomide 4'-alkylC5-acid can be used in the synthesis of PROTAC.
    Pomalidomide 4'-alkylC5-acid
  • HY-130683
    Lenalidomide-propargyl-C2-NH2 hydrochloride 2489242-23-9 98.01%
    Lenalidomide-propargyl-C2-NH2 hydrochloride incorporates a cereblon (CRBN) ligand for the E3 ubiquitin ligase, and a linker. Lenalidomide-propargyl-C2-NH2 hydrochloride can be used to design the PROTAC MD-224 (HY-114312). Lenalidomide-propargyl-C2-NH2 (hydrochloride) is a click chemistry reagent, it contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups.
    Lenalidomide-propargyl-C2-NH2 hydrochloride
  • HY-133799
    Pomalidomide-C7-COOH 2225940-51-0
    Pomalidomide-C7-COOH is a synthesized E3 ligase cereblon ligand-linker conjugate. Pomalidomide-C7-COOH is an intermediate for the synthesis of PROTAC BCL-XL degraders.
    Pomalidomide-C7-COOH
  • HY-130952
    Thalidomide-O-C8-COOH 2225148-51-4
    Thalidomide-O-C8-COOH is the Thalidomide-based Cereblon ligand used in the recruitment of CRBN protein. Thalidomide-O-C8-COOH (Cereblon ligand 3) can be connected to the ligand for protein by a linker to form PROTACs.
    Thalidomide-O-C8-COOH
  • HY-122710A
    Thalidomide-O-amido-PEG4-C2-NH2 hydrochloride 2245697-85-0
    Thalidomide-O-amido-PEG4-C2-NH2 hydrochloride, a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based cereblon ligand and a linker, can be used in the synthesis of PROTACs.
    Thalidomide-O-amido-PEG4-C2-NH2 hydrochloride
  • HY-143348
    NJH-2-030 2709040-02-6 98.74%
    NJH-2-030 can be used as a covalent recruiter for FEM1B in targeted protein degradation applications.
    NJH-2-030
  • HY-133138
    Pomalidomide-PEG1-azide 2133360-04-8
    Pomalidomide-PEG1-azide is an E3 ligase lgand-linker conjugate. Pomalidomide-PEG1-azide incorporates the Pomalidomide based cereblon ligand and a linker. Pomalidomide-PEG1-azide can be used to synthesis PROTAC BRD4 Degrader-1 (HY-133131). PROTAC BRD4 Degrader-1 is a PROTAC connected by ligands for Cereblon and BRD4 with an IC50 of 41.8 nM against BRD4 BD1. PROTAC BRD4 Degrader-1 can effectively degrade BRD4 protein and suppress c-Myc expression.
    Pomalidomide-PEG1-azide
  • HY-134982
    Thalidomide-piperazine-Boc 2222114-64-7 98.82%
    Thalidomide-piperazine-Boc is an intermediate that can be used in the synthesis of B-cell lymphoma 6 protein (BCL6) PROTAC.
    Thalidomide-piperazine-Boc
  • HY-161130
    Lenalidomide 4'-PEG3-amine dihydrochloride 2624336-87-2 98.97%
    Lenalidomide 4'-PEG3-amine dihydrochloride is the Lenalidomide-based Cereblon ligand used in the recruitment of CRBN protein. Lenalidomide 4'-PEG3-amine dihydrochloride can be connected to the ligand for protein by a linker to form PROTAC.
    Lenalidomide 4'-PEG3-amine dihydrochloride
  • HY-136006B
    (S,R,S)-AHPC-C6-NH2 2306389-03-5 98.03%
    (S,R,S)-AHPC-C6-NH2 (VH032-C6-NH2) is a synthesized E3 ligase ligand-linker conjugate that incorporates the VH032 based VHL ligand and a linker used in?PROTAC?technology.
    (S,R,S)-AHPC-C6-NH2
Cat. No. Product Name / Synonyms Application Reactivity
E3 Ligase Ligand-Linker Conjugates Isoform Comparison

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