Diprotin A

Tetracosactide is a synthetic peptide, which corresponds to the first 24 amino acids of the naturally occurring hormone ACTH (adrenocorticotropic hormone). It stimulates the adrenal cortex to produce corticosteroids, mineralocorticoids, and, to a lesser extent, androgens.

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Chemical Name(2S,3S)-2-[[(2S)-1-[(2S,3S)-2-amino-3-methylpentanoyl]pyrrolidine-2-carbonyl]amino]-3-methylpentanoic acid
SequenceOne Letter Code: IPI
Three Letter Code: H-Ile-Pro-Ile-OH
ApplicationDiprotin A has been used as a supplement for blood collection for hormone measurement and used in Islets cell culture to stabilize glucagon-like peptide-1 (GLP-1). It has also been used to inhibit the breakdown of gonadotropin-inhibitory hormone (GnIH) following serum collection.
Purity≥97% (HPLC)
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