tetragastrin

<chemical> L-tryptophyl-l-methionyl-l-aspartyl-l-phenylalaninamide. The c-terminal tetrapeptide of gastrin. It is the smallest peptide fragment of gastrin which has the same physiological and pharmacological activity as gastrin. ... Chemical name: L-Phenylalaninamide, L-tryptophyl-L-methionyl-L-alpha-aspartyl- ... (12 Dec 1998) ...
Found on http://www.encyclo.co.uk/local/20973

tetragastrin

Type: Term Pronunciation: tet′ră-gas′trin Definitions: 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; in the conversion of l-phenylalanine to l-tyrosine; the inability to synthesize tetrahydrobiopterin is a...
Found on http://www.medilexicon.com/medicaldictionary.php?t=91035
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