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    FEBS Lett. 1986 Nov 10;208(1):67-72.

    cDNA sequence of human beta-preprotachykinin, the common precursor to substance P and neurokinin A.

    Harmar AJ, Armstrong A, Pascall JC, Chapman K, Rosie R, Curtis A, Going J, Edwards CR, Fink G.

    The nucleotide sequence of cDNA encoding the human substance P precursor, beta-preprotachykinin (beta-PPT), has been determined. The source of mRNA was a human laryngeal carcinoid tumour that contained a high concentration of immunoreactive substance P. The human beta-PPT polypeptide is 129 amino acids long and contains regions encoding substance P and neurokinin A, each flanked by basic amino acid residues. Residues 72-107 of the human beta-PPT polypeptide encode the sequence of neuropeptide K, an N-terminally extended form of neurokinin A recently isolated from porcine brain.

    PMID: 3770210 [PubMed - indexed for MEDLINE]

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