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Hum Genet. 1986 May;73(1):77-80.

The genes for human gastrin and cholecystokinin are located on different chromosomes.

Abstract

The polypeptide hormones gastrin and cholecystokinin are structurally related, having the identical pentapeptide GWMDF located at their C-terminus. The precursors to these two hormones also show amino acid homology, suggesting that they may have a common ancestral origin. Recombinant DNA clones corresponding to gene fragments encoding human gastrin and cholecystokinin were used to determine their respective chromosomal localization by analyzing human-rodent cell lines. We have assigned the cholecystokinin gene to human chromosome 3q12-3pter and the gastrin gene to chromosome 17q.

PMID:
3011648
DOI:
10.1007/bf00292669
[Indexed for MEDLINE]

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