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Acid-C1-PEG5-Boc, a PEG-based PROTAC linker, is utilized in PROTAC synthesis.

Sinocrassoside C1 is the methanolic extract of the whole plant of Sinocrassula indica (Crassulaceae), six new flavonol glycosides

2-(Biotin-amido)-13-bis(carboxylethoxy)propane is a polyethylene glycol (PEG)-based PROteolysis TArgeting Chimera (PROTAC) linker used in the synthesis of PROTACs[1].

Aeide-C1-NHS ester, an alkyl/ether-based PROTAC linker, finds utility in the synthesis of PROTACs[1].

C-NH-Boc-C-Bis-(C1-PEG1-PFP), a polyethylene glycol (PEG)-derived PROTAC linker, is utilized in the synthesis of PROTACs [1].

Ph-Bis(C1-N-(C2-NH-Boc)2) is a versatile alkyl chain-derived linker used in the synthesis of PROTACs [1].

Biotin-C1-PEG3-C3-amine (TFA) is a polyethylene glycol (PEG) linker essential for the synthesis of proteolysis targeting chimeras (PROTACs)[1].

Boc-C1-PEG3-C4-OBn (PROTAC Linker 15) is a PEG-based PROTAC linker used in the synthesis of various PROTACs, including PROTAC SGK3 degrader-1. PROTACs consist of two distinct ligands connected by a linker; one ligand binds to an E3 ubiquitin ligase, while the other specifically interacts with the target protein, enabling selective degradation of target proteins via the intracellular ubiquitin-proteasome system[1].

Boc-C1-PEG3-C4-OH is an Alkyl/ether-based PROTAC linker used in the synthesis of PROTACs, characterized by their structure of two distinct ligands tethered by a linker, with one ligand binding to an E3 ubiquitin ligase and the other to the target protein, facilitating targeted protein degradation through the ubiquitin-proteasome system [1].

Nutlin-C1-amido-PEG4-C2-N3 is a novel ligand-linker conjugate for the E3 ligase, incorporating the MDM2 ligand from Nutlin 3 and a 4-unit PEG linker. This compound is specifically designed for use in PROTAC technology.

Estrone-N-O-C1-amido (ERα ligand 1) is an estrogen ligand derivative of Estrone that specifically binds to estrogen receptor α (ERα). With a linker, it complexes with the cIAP1 ligand Bestatin, forming SNIPER[1].

NH-bis(C1-PEG1-Boc) is an alkyl/ether-based PROTAC linker used for PROTAC synthesis[1].

PDP-C1-Ph-Val-Cit is a cleavable ADC linker used in antibody-drug conjugates (ADCs).

Pomalidomide-amido-C1-Br is a synthesized conjugate consisting of the Pomalidomide-based cereblon ligand and a linker, functioning as an E3 ligase ligand-linker. This compound serves as a tool for designing a B-Raf PROTAC degrader, specifically PROTAC B-Raf degrader 1, which exhibits anti-cancer activity[1].

Propargyl-O-C1-amido-PEG2-C2-NHS ester is a non-cleavable 2-unit PEG linker used in antibody-drug conjugation (ADC) to connect antibodies with drugs.

Propargyl-O-C1-amido-PEG4-C2-NHS ester is a non-cleavable 4-unit PEG linker used in antibody-drug conjugation (ADC) to link antibodies with drugs.

Phenol-amido-C1-PEG3-N3, also known as PROTAC Linker 21, is a PEG-based linker utilized for synthesizing PROTACs.

Boc-C1-PEG2-C4-Cl (PROTAC Linker 1) is a PEG-based compound used as a linker in the synthesis and development of PROTACs[1].

vacuolar H+-ATPases (V-ATPases) inhibitor

Detoxin C1 is a selective blasticidin S antagonist.

Conglobatin C1 is a bacterial metabolite that has been found inStreptomycesMST-91080 and has anticancer activity.1It is cytotoxic to NS-1 mouse myeloma cells (IC50= 1.05 μg/ml) but not NFF human fibroblasts (IC50= >100 μg/ml). 1.Lacey, H.J., Booth, T.J., Vuong, D., et al.Conglobatins B-E: Cytotoxic analogues of the C2-symmetric macrodiolide conglobatinJ. Antibiot. (Tokyo)73(11)756-765(2020)

Quin C1 is a selective and potent formylpeptide receptor 2 (FPR2/ALX) agonist with anti-inflammatory activity, inhibits neutrophil and lymphocyte production in BALF, and reduces the expression of TNF-α, IL-1β, KC, and TGF-β1.Quin C1 is used in the study of lung injury.

Azido-C1-PEG3-C3-NH2 is a PEG-based linker for PROTACs, facilitating the conjugation of two essential ligands necessary for PROTAC molecule formation, and enabling selective protein degradation via the ubiquitin-proteasome system within cells.

Autophagy-IN-C1 is a cinchona alkaloid derivative containing urea. Autophagy-IN-C1 not only induces apoptosis but also blocks autophagy in hepatocellular carcinoma (HCC) cells.