[Cys]-Exendin 4


  • Description

  • Application Data


Exendin-4 is a cleavage resistant analogue of GLP-1 that stimulates insulin secretion; contains an N-terminal cysteine for conjugation reactions.

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Application Data

Catalogue number crb1000606
Molecular Weight 4287
Sequence (one letter code)


Sequence (three letter code)


Purity >95%
cas 141758-74-9
Storage -20°C

Kolterman et al., (2005). Pharmacokinetics, pharmacodynamics, and safety of exenatide in patients with type 2 diabetes mellitus. Am. J. Health Syst. Pharm., 62: 173. PMID: 15700891.


Liao et al., (2015). In Vitro Metabolic Stability of Exendin-4: Pharmacokinetics and Identification of Cleavage Products. PLOS ONE, 10(2): e0116805. PMID: 25723538.

Manufactured in: United Kingdom
Data Sheet Material Safety Data Sheet (MSDS)

Originally identified in Gila monster lizard (Heloderma suspectum), Exendin-4 is an incretin mimetic, an analog of glucagon-like-peptide-1 (GLP-1), it stimulates insulin secretion and modulates gastric emptying to slow the entry of ingested sugars into the bloodstream. Exendin-4 is resistant to cleavage by plasma DPP-IV unlike GLP-1. This gives it a longer half-life and duration of action than GLP-1, as well as greater potency in vivo. Exendin-4 increases insulin sensitivity and improves glucose tolerance and is currently used for the treatment of Type 2 diabetes mellitus in its synthetic form Exenatide.

Exendin-4 also promotes the production and proliferation of β-cells leading to regeneration of the pancreas. It is a ligand to the exendin receptor and increases pancreatic acinar cell cAMP levels. However, the GLP-1 analog was found to have a toxic effect by inducing hypotension due to relaxation of the cardiac smooth muscle.

This exendin-4 peptide is provided with an N-terminal cysteine residue for conjugation reactions.

[Cys]-Exendin 4

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