The ratio between intrinsic 115 kDa and 30 kDa peptides as a marker of fibre type‐specific sarcoplasmic reticulum in mammalian muscles
- 25 July 1983
- journal article
- Published by Wiley in FEBS Letters
- Vol. 158 (2), 317-320
- https://doi.org/10.1016/0014-5793(83)80604-8
Abstract
Sarcoplasmic reticulum displays characteristic differences in Ca2+-uptake, Ca2+-ATPase and the pattern of membrane proteins in type I, IIA and IIB fibres. The ratio between the 115 kDa Ca2+-ATPase and a 30 kDa protein is of characteristic magnitude in the sarcoplasmic reticulum of the three fibre types in rat muscles. The slow-to-fast fibre type transformation observed in rabbits during chronic nerve stimulation is accompanied by predictable changes of this ratio.Keywords
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