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-W584518
    Thalidomide-5-O-CH2-COOH 2467425-53-0
    Thalidomide-5-O-CH2-COOH is an E3 Ligase Ligand-Linker Conjugate consisting of Thalidomide (HY-14658) and NH-PEG3-NH-Boc. Thalidomide-5-O-CH2-COOH acts as a ligand for Cereblon to recruit CRBN protein. Thalidomide-5-O-CH2-COOH is a key intermediate in the synthesis of PROTAC molecules designed based on CRBN.
    Thalidomide-5-O-CH2-COOH
  • HY-130716
    Thalidomide-NH-C10-COOH 2428400-33-1
    Thalidomide-NH-C10-COOH (compound 6b) is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide based CRBN ligand and a linker used in PROTAC technology.
    Thalidomide-NH-C10-COOH
  • HY-W457949
    Pomalidomide 4'-alkylC4-azide 2758431-96-6
    Pomalidomide 4'-alkylC4-azide (Compound 2) is an azide compound containing a MIDI group and is one of the compounds used to construct a library of MIDI azide compounds. Pomalidomide 4'-alkylC4-azide is an E3 ligase ligand and linker conjugate (E3 Ligase Ligand-Linker Conjugate). Pomalidomide 4'-alkylC4-azide can be used to develop research on PROTAC degraders.
    Pomalidomide 4'-alkylC4-azide
  • HY-103606
    (S,R,S)-AHPC-PEG6-C4-Cl 1835705-59-3
    (S,R,S)-AHPC-PEG6-C4-Cl is a conjugate of ligands for E3 and 25-atom-length linker. The connector of linker is Halogen group. (S,R,S)-AHPC-PEG6-C4-Cl incorporates the (S,R,S)-AHPC based VHL ligand and 6-unit PEG linker. (S,R,S)-AHPC-PEG6-C4-Cl is capable of inducing the degradation of GFP-HaloTag7 in cell-based assays.
    (S,R,S)-AHPC-PEG6-C4-Cl
  • HY-136005
    VH032-C7-COOH 2172819-77-9 99.92%
    VH032-C7-COOH is a functionalized von-Hippel-Lindau (VHL) protein ligand for PROTAC research and development. VH032-C7-COOH contains an E3 ligase ligand and an alkyl linker with a terminal amine for conjugation of target protein ligands.
    VH032-C7-COOH
  • HY-130711B
    (S,R,S)-AHPC-C3-NH2 hydrochloride 2940858-65-9
    (S,R,S)-AHPC-C3-NH2 (VH032-C3-NH2) hydrochloride 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-C3-NH2 hydrochloride
  • HY-155260
    Pomalidomide-5-C4-NH2 hydrochloride 98.63%
    Pomalidomide-5-C4-NH2 hydrochloride is the Pomalidomide (HY-10984)-based cereblon (CRBN) ligand used in the recruitment of CRBN protein. Pomalidomide-5-C4-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTAC.
    Pomalidomide-5-C4-NH2 hydrochloride
  • HY-138845A
    Pomalidomide-C4-NH2 hydrochloride 2162120-73-0 99.24%
    Pomalidomide-C4-NH2 hydrochloride is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide based cereblon ligand and a linker used in PROTAC technology.
    Pomalidomide-C4-NH2 hydrochloride
  • HY-W797383
    Phthalimidinoglutarimide-6-piperazine 2229723-92-4 99.76%
    Phthalimidinoglutarimide-6-piperazine is a conjugate of E3 ubiquitin ligase ligand-Linker, which can be used to synthesize complete PROTACs molecules.
    Phthalimidinoglutarimide-6-piperazine
  • HY-148556
    Thalidomide-O-C6-azide 2411389-65-4 99.10%
    Thalidomide-O-C6-azide is a synthesized E3 ligase ligand-linker conjugate that incorporates the Thalidomide (HY-14658) based cereblon ligand and a linker used in PROTAC technology. Thalidomide-O-C6-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.
    Thalidomide-O-C6-azide
  • HY-103615
    Thalidomide-O-amido-C4-N3 2098488-36-7 98.36%
    Thalidomide-O-amido-C4-N3 is a synthetic E3 ligase ligand-linker conjugate, consisting of a cereblon ligand based on Thalidomide (HY-14658) and a linker.
    Thalidomide-O-amido-C4-N3
  • HY-169150
    JQ-1 carboxylic acid-PEG3-C2-NH2 2098790-24-8 99.39%
    JQ-1 carboxylic acid-PEG3-C2-NH2 is a E3 ligase ligand-linker conjugate that can be used in the synthesis of PROTACT.
    JQ-1 carboxylic acid-PEG3-C2-NH2
  • HY-157510
    Thalidomide-O-C3-azide 2758432-00-5 98.41%
    Thalidomide-O-C3-azide is a click chemistry modification of the cereblon (CRBN) inhibitor Thalidomide (HY-14658). Thalidomide-O-C3-azide contains an azide group and can undergo copper-catalyzed azide-alkyne cycloaddition reaction (CuAAc) with molecules containing alkyne groups. Thalidomide-O-C3-azide can be used as a ligand of E3 ubiquitin ligase and Linker conjugates (E3 Ligase Ligand-Linker Conjugates) for the synthesis of PROTACs.
    Thalidomide-O-C3-azide
  • HY-130654
    (S,R,S)-AHPC-C2-PEG4-N3 2597167-24-1
    (S,R,S)-AHPC-C2-PEG4-N3 (VH032-C2-PEG4-N3) 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-C2-PEG4-N3 can be used in the synthesis of vRucaparib-TP4 (HY-130647). vRucaparib-TP4 a highly potent PARP1 degrader with a half-maximal degrading concentration (DC50) of 82 nM. (S,R,S)-AHPC-C2-PEG4-N3 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.
    (S,R,S)-AHPC-C2-PEG4-N3
  • HY-131888
    Pomalidomide-C3-NH2 hydrochloride 2154342-45-5 99.72%
    Pomalidomide-C3-NH2 hydrochloride is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide based cereblon ligand and a linker used in PROTAC technology.
    Pomalidomide-C3-NH2 hydrochloride
  • HY-W594189
    Desamino lenalidomide-Pip hydrochloride 2291360-60-4 99.18%
    Desamino lenalidomide-Pip hydrochloride is an E3 ligase ligand-linker conjugate containing a CRBN-based ligand and linker, which can be used to synthesize PROTAC.
    Desamino lenalidomide-Pip hydrochloride
  • HY-W998240
    Thalidomide-azetidine-C-OH 2241314-93-0 98.53%
    Thalidomide-azetidine-C-OH is an E3 ligase ligand-linker conjugate containing a CRBN-based ligand and linker, which can be used to synthesize PROTAC.
    Thalidomide-azetidine-C-OH
  • HY-150006
    Pomalidomide-C2-acid 2225940-46-3 99.78%
    Pomalidomide-C2-acid is a synthesized E3 ligase ligand-linker conjugate that incorporates the Pomalidomide based cereblon ligand and a linker used in PROTAC technology.
    Pomalidomide-C2-acid
  • HY-W410002
    Pomalidomide-propargyl 2154342-25-1 98.10%
    Pomalidomide-propargyl contains an E3 ligand and a terminal alkyl group ready for click conjugation. Pomalidomide-propargyl is ready for conjugation to target proteins for PROTAC.
    Pomalidomide-propargyl
  • HY-112618A
    Thalidomide-O-amido-C6-NH2 TFA 1950635-14-9 99.82%
    Thalidomide-O-amido-C6-NH2 TFA (Cereblon Ligand-Linker Conjugates 11 TFA), 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-C6-NH2 TFA
Cat. No. Product Name / Synonyms Application Reactivity
E3 Ligase Ligand-Linker Conjugates Isoform Comparison

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