Ligands for E3 Ligase

E3 ligase-recruiting Moiety

Ligands for E3 Ligase

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A PROTAC (Proteolysis Targeting Chimeric Molecule) is a protein degrader comprised of a ligand for E3 ligase (E3 ligase binder), a linker and a ligand for target protein (target binder). The association between an E3 ligase and a target protein induced by a PROTAC will lead to the transfer of ubiquitin and degradation of the targeted protein.

E3 ligases catalyze the transfer of ubiquitin to targeted proteins and determine the specificity of the proteins. There are hundreds of E3 ligases in cells, but only a limited number of them are successfully used in reported PROTACs, such as VHL (von Hippel-Lindau disease tumor suppressor protein), CRBN (Cereblon), MDM2 (the mouse double minute 2 homologue) and IAP (inhibitor of apoptosis).

Ligands for E3 Ligase Isoform Specific Products:

Ligands for E3 Ligase Isoform Comparison

Ligands for E3 Ligase Related Products (256)
Antibodies (2)
Ligands for E3 Ligase Isoform Comparison

By Effects:	Inhibitors (3) Degraders (2) Modulators (3) Chemicals (2)

Cat. No.	Product Name	CAS No.	Purity	Chemical Structure

E3 ligase Ligand 29	2154341-52-1
E3 ligase Ligand 29 is a ligand for E3 ligase.

(R)-Thalidomide-piperazine-pyrrolidineethanol
(R)-Thalidomide-piperazine-pyrrolidineethanol is a conjugate of E3 ligase ligand and linker, consisting of Thalidomide (HY-14658) and the corresponding Linker. (R)-Thalidomide-piperazine-pyrrolidineethanol can serve as Cereblon ligand to recruit CRBN protein and serve as a key intermediate for the synthesis of complete PROTAC molecules.

Thalidomide-piperazine-pyrimidine-piperazine-C-boc
Thalidomide-piperazine-pyrimidine-piperazine-C-boc is a conjugate of E3 ligase ligand and linker, consisting of Thalidomide (HY-14658) and the corresponding Linker. Thalidomide-piperazine-pyrimidine-piperazine-C-boc can serve as a Cereblon ligand to recruit CRBN protein and serve as a key intermediate for the synthesis of complete PROTAC molecules.

Thalidomide-5-piperazine	2154342-61-5
Thalidomide-5-piperazine is a Ligand for target protein for pROTAC.

Thalidomide-5-O-C12-NH2 hydrochloride		99.90%
Thalidomide-5-O-C12-NH2 hydrochloride is the Thalidomide (HY-10984)-based cereblon ligand used in the recruitment of CRBN protein.Thalidomide-5-O-C12-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTACs.

Thalidomide 4'-ether-PEG1-azide	2758432-02-7
Thalidomide 4'-ether-PEG1-azide is the Thalidomide (HY-14658)-based cereblon ligand used in the recruitment of CRBN protein. Thalidomide 4'-ether-PEG1-azide can be connected to the ligand for protein by a linker to form PROTACs.

Thalidomide-5-PEG6-NH2 hydrochloride
Thalidomide-5-PEG6-NH2 hydrochloride is the Thalidomide (HY-10984)-based cereblon ligand used in the recruitment of CRBN protein.Thalidomide-5-PEG6-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTACs.

Thalidomide-4-O-C14-NH2 hydrochloride		99.85%
Thalidomide-4-O-C14-NH2 hydrochloride is the Thalidomide (HY-10984)-based cereblon ligand used in the recruitment of CRBN protein.Thalidomide-4-O-C14-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTACs.

E3 ligase Ligand 38	2883704-45-6
E3 ligase Ligand 38 serves as the E3 ligase ligand for PROTAC IRAK4 degrader-12 (HY-168586) and can be used in the synthesis of PROTACs.

Lenalidomide-¹³C₅,¹⁵N
Lenalidomide-¹³C₅,¹⁵N is ¹⁵N and ¹³C labeled Lenalidomide (HY-A0003). Lenalidomide (CC-5013), a derivative of Thalidomide, acts as molecular glue. Lenalidomide is an orally active immunomodulator. Lenalidomide (CC-5013) is a ligand of ubiquitin E3 ligase cereblon (CRBN), and it causes selective ubiquitination and degradation of two lymphoid transcription factors, IKZF1 and IKZF3, by the CRBN-CRL4 ubiquitin ligase. Lenalidomide (CC-5013) specifically inhibits growth of mature B-cell lymphomas, including multiple myeloma, and induces IL-2 release from T cells.

Thalidomide (Standard)	50-35-1
Thalidomide (Standard) is the analytical standard of Thalidomide. This product is intended for research and analytical applications. Thalidomide inhibits cereblon (CRBN), a part of the cullin-4 E3 ubiquitin ligase complex CUL4-RBX1-DDB1, with a K_d of ∼250 nM, and has immunomodulatory, anti-inflammatory and anti-angiogenic cancer properties. Thalidomide can work as molecular glue to potentiate substrate.

E3 ligase Ligand 37
E3 ligase Ligand 37 is a ligand for E3 ubiquitin ligase of PROTAC BRM/BRG1 degrader-3 (HY-168251).

E3 ligase Ligand 36	3031995-12-4
E3 ligase Ligand 36 is an E3 ligase Ligand, and can be used for synthesis of PROTACs, such as PROTAC BRM/BRG1 degrader-1 (HY-168242).

Thalidomide-5-O-C9-NH2 hydrochloride		99.59%
Thalidomide-5-O-C9-NH2 hydrochloride is the Thalidomide (HY-10984)-based cereblon ligand used in the recruitment of CRBN protein.Thalidomide-5-O-C9-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTACs.

Thalidomide-NH-C9-NH2 hydrochloride	2305936-77-8
Thalidomide-NH-C9-NH2 hydrochloride is the Thalidomide (HY-10984)-based cereblon ligand used in the recruitment of CRBN protein.Thalidomide-NH-C9-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTACs.

Thalidomide-NH-PEG6-NH2 hydrochloride
Thalidomide-NH-PEG6-NH2 hydrochloride is the Thalidomide (HY-10984)-based cereblon ligand used in the recruitment of CRBN protein.Thalidomide-NH-PEG6-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTACs.

Thalidomide-NH-C13-NH2 hydrochloride
Thalidomide-NH-C13-NH2 hydrochloride is the Thalidomide (HY-10984)-based cereblon ligand used in the recruitment of CRBN protein.Thalidomide-NH-C13-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTACs.

Thalidomide-5-O-C10-NH2 hydrochloride		99.37%
Thalidomide-5-O-C10-NH2 hydrochloride is the Thalidomide (HY-10984)-based cereblon ligand used in the recruitment of CRBN protein.Thalidomide-5-O-C10-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTACs.

(S)-Deoxy-thalidomide	107657-57-8
(S)-Deoxy-thalidomide is an E3 ubiquitin ligase ligand. (S)-Deoxy-thalidomide can be linked to the target protein ligand through a linker to form PROTAC K-Ras Degrader-3 (HY-168054). PROTAC K-Ras Degrader-3 can target KRAS mutant proteins for degradation.

Thalidomide-5-NH-PEG6-NH2 hydrochloride
Thalidomide-5-NH-PEG6-NH2 hydrochloride is the Thalidomide (HY-10984)-based cereblon ligand used in the recruitment of CRBN protein.Thalidomide-5-NH-PEG6-NH2 hydrochloride can be connected to the ligand for protein by a linker to form PROTACs.

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