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. 1985 Apr 15;227(2):683-8.
doi: 10.1042/bj2270683.

Induction of selective phosphorylation of a fat body protein of Sarcophaga peregrina larvae by 20-hydroxyecdysone

K Itoh, K Ueno, S Natori

Induction of selective phosphorylation of a fat body protein of Sarcophaga peregrina larvae by 20-hydroxyecdysone

K Itoh et al. Biochem J. .

Abstract

20-Hydroxyecdysone was shown to induce selective phosphorylation of a fat body protein of Sarcophaga peregrina larvae with a molecular mass of 30 kDa. This phosphorylation was not associated with synthesis of new protein. Fractionation of 32P-labelled fat body by differential centrifugation showed that this protein was mainly present in the membrane-rich fraction, although we could not specify the membrane. Thus, 20-hydroxyecdysone may modify the function of the fat body by inducing phosphorylation of a specific membrane protein.

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