The Ratio Between Intrinsic 115 KDa and 30 KDa Peptides As a Marker of Fibre Type-specific Sarcoplasmic Reticulum in Mammalian Muscles

Overview

Journal FEBS Lett

Specialty Biochemistry

Date 1983 Jul 25

PMID 6223839

Citations 7

Authors

W Wiehrer

D Pette

Affiliations

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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.

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