Restoration of Ca2+-activated tension of CDTA-treated single skeletal muscle fibers by troponin C

Sachio Morimoto, Takashi Fujiwara, Iwao Ohtsuki

研究成果: ジャーナルへの寄稿学術誌査読

9 被引用数 (Scopus)

抄録

Single fibers from glycerinated rabbit psoas muscle were treated with a solution containing CDTA, a strong chelator of metal ions. The CDTA-treated fibers lost all of the troponin C and showed no Ca2+ tension development. The addition of troponin C restored the Ca2+ -activated tension of CDTA-treated fibers. The tension-pCa relationship in the case of the CDTA-treated fibers reconstituted with troponin C was almost the same as that in the case of the same fibers before the CDTA treatment. These results are consistent with those of the previous study on the Ca2+ -activated ATPase of CDTA-treated rabbit skeletal myofibrils (Morimoto, S.& Ohtsuki, I. (1987) J. Biochem. 101, 291-301).

本文言語英語
ページ(範囲)873-874
ページ数2
ジャーナルJournal of biochemistry
104
6
DOI
出版ステータス出版済み - 12月 1988

!!!All Science Journal Classification (ASJC) codes

  • 生化学
  • 分子生物学

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