tetragastrin

tetragastrin
1. A tetrapeptide (Trp–Met–Asp–Phe–NH2) used to test the secretion of digestive juice. 2. A pterin derivative that is a required cofactor for a number of enzymes; E.G., in the conversion of l-phenylalanine to l-tyrosine; the inability to synthesize tetrahydrobiopterin is associated with forms of malignant hyperphenylalaninemia.

Medical dictionary. 2011.

Игры ⚽ Нужно решить контрольную?

Look at other dictionaries:

  • Tetrapeptide — A tetrapeptide is a peptide consisting of four amino acids joined by peptide bonds. Many tetrapeptides are pharmacologically active, often showing affinity and specificity for a variety of receptors in protein protein signaling. Present in nature …   Wikipedia

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”