Cloning of cDNA encoding a new peptide C-terminal α-amidating enzyme having a putative membrane-spanning domain from Xenopus laevis skin

Kazuhiro Ohsuye, Katsuhiko Kitano, Yayoi Wada, Kayoko Fuchimura, Shoji Tanaka, Kensaku Mizuno, Hisayuki Matsuo

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

A cDNA clone encoding a precursor of a peptide C-terminal α-amidating enzyme (AE-I) from Xenopus laevis skin was recently isolated and sequenced in our laboratory. In this study, by using the restriction fragment of this clone as a hybridization probe, we have identified the cDNA encoding another new peptide C-terminal α-amidating enzyme (tentatively named AE-II) distinct from AE-I. The cDNA encodes a polypeptide of 875 amino acid residues, which contains a region extensively homologous to AE-I precursor at N-terminus. The encoded protein characteristically has a putative membrane-spanning domain near C-terminus. Our results indicate that C-terminal α-amide formation of peptides in Xenopus skin is regulated by at least two distinct α-amidating enzymes.

Original languageEnglish
Pages (from-to)1275-1281
Number of pages7
JournalBiochemical and biophysical research communications
Volume150
Issue number3
DOIs
Publication statusPublished - 1988 Feb 15
Externally publishedYes

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

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