Functional analysis of the cDNA encoding human tyrosinase precursor

Atsushi Takeda, Yasushi Tomita, Shoji Okinaga, Hachiro Tagami, Shigeki Shibahara

研究成果: Article査読

58 被引用数 (Scopus)

抄録

The DNA segment harboring the promoter region and the exon 1 of the human tyrosinase gene has been cloned and characterized. Sequence analysis reveals the amino-terminal half of tyrosinase molecule including a signal peptide, of which six amino acid residues are not represented in the tyrosinase cDNA, pHT γ 1 [Shibahara et al. (1988) Tohoku J. Exp. Med. 156, 403-414]. We therefore constructed the expression plasmid containing the human tyrosinase precursor cDNA, and introduced it into mouse amelanotic melanoma cells. Both tyrosine hydroxylase and dopa oxidase activities were expressed only in the cells transfected with such a full-length cDNA, providing direct evidence that tyrosinase actually possesses a dual catalytic activity.

本文言語English
ページ(範囲)984-990
ページ数7
ジャーナルBiochemical and biophysical research communications
162
3
DOI
出版ステータスPublished - 1989 8 15

ASJC Scopus subject areas

  • 生物理学
  • 生化学
  • 分子生物学
  • 細胞生物学

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