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  • Title: Molecular cloning of a widely expressed human homologue for the Drosophila trp gene.
    Author: Zhu X, Chu PB, Peyton M, Birnbaumer L.
    Journal: FEBS Lett; 1995 Oct 16; 373(3):193-8. PubMed ID: 7589464.
    Abstract:
    The Drosophila transient receptor potential (trp) gene and its homologue, trpl, have been suggested to mediate calcium entry during the insect's phototransduction process. We isolated a human cDNA, human trp-1 (Htrp-1), encoding a polypeptide of 793 amino acids that is 37% identical (62% similar) to Drosophila trp and trpl. Northern analysis showed that the Htrp-1 transcript is approximately 5.5 kb and expressed in most human tissues, with higher amounts in ovary, testis, heart, and brain. Isolation of Htrp-1 suggests that a trp-type protein is present in mammals and should provide a useful tool in studying calcium-depletion induced calcium influx processes.
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