Generation of 1-37 and 1-38 forms of adrenocorticotropin by mono- and dipeptidyl serine carboxypeptidase activities in bovine pituitary secretory vesicles.

Abstract

ACTH is a 39-amino acid peptide synthesized in the pituitary as part of the precursor molecule, POMC. Analysis of bovine anterior pituitary homogenates and secretory vesicles revealed that in addition to ACTH-(1-39), ACTH-(1-37) and ACTH-(1-38) were also present in the lobe, indicating that carboxyl-terminal processing of ACTH-(1-39) occurred in vivo. Mono… (More)

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