Purification of a regulatory subunit of type II cAMP-dependent protein kinase from Drosophila heads

Hiroko Inoue, Tohru Yoshioka

    研究成果: Article査読

    7 被引用数 (Scopus)

    抄録

    The cytosolic extract from Drosophila heads was separated using anion-exchange column chromatography. Two types of cAMP-dependent protein kinase (PKA), type I and type II, were detected, and type II PKA was found to be a major isozyme. The regulatory subunit of type II PKA (RII) was purified, and only one isoform was observed. The purified protein had an apparent molecular mass of 51 kDa on SDS gel electrophoresis. Partial amino acid sequences of the protein were almost identical with the RIIα subunit of human. Since PKA has been implicated to be especially important for learning and memory in Drosophila, the RII subunit may play an essential role in the regulation of neuronal activity in the brain of Drosophila, and possibly in human.

    本文言語English
    ページ(範囲)223-226
    ページ数4
    ジャーナルBiochemical and Biophysical Research Communications
    235
    1
    DOI
    出版ステータスPublished - 1997 6 9

    ASJC Scopus subject areas

    • Biochemistry
    • Biophysics
    • Molecular Biology

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