Gastrin-6

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Revision as of 08:22, 13 February 2009

Contents 1 Description 2 Source Organism 3 Taxomomy 4 Subcellular Localization 5 Developmental Stage 6 Similarity 7 Post translational Modification 8 Function 9 GeneID

Description

Gastrin precursor [Contains: Gastrin-71 (Component I); Gastrin-52(G52); Big gastrin (Gastrin-34) (G34) (Component II); Gastrin(Gastrin-17) (G17) (Component III); Gastrin-14 (G14); Gastrin-6 (G6)].

Source Organism

Homo sapiens (Human).

Taxomomy

Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini;Catarrhini; Hominidae; Homo.

Subcellular Localization

Secreted.

Developmental Stage

Similarity

Belongs to the gastrin/cholecystokinin family.

Post translational Modification

Two different processing pathways probably exist in antral G- cells. In the dominant pathway progastrin is cleaved at three sites resulting in two major bioactive gastrins, gastrin-34 and gastrin-17. In the putative alternative pathway, progastrin may be processed only at the most C-terminal dibasic site resulting in the synthesis of gastrin-71. Sulfation of Tyr-87 blocks peptide degradation and enhances activity.

Function

Gastrin stimulates the stomach mucosa to produce and secrete hydrochloric acid and the pancreas to secrete its digestive enzymes. It also stimulates smooth muscle contraction and increases blood circulation and water secretion in the stomach and intestine

GeneID

2520

Categories:Hormones