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  • Title: Identification of the ribosomal proteins phosphorylated by the ribosome-associated casein kinase type II from cryptobiotic gastrulae of the brine shrimp Artemia sp.
    Author: Thoen C, De Herdt E, Slegers H.
    Journal: Biochem Biophys Res Commun; 1986 Mar 13; 135(2):347-54. PubMed ID: 3457561.
    Abstract:
    Phosphorylation of the ribosomal proteins by the extra-ribosomal protein kinase was investigated "in situ" and with purified 40 S or 60 S ribosomal proteins from cryptobiotic embryos of Artemia sp. Ribosomal proteins that were most readily phosphorylated in 80 S ribosomes included S6 and S8 of the 40 S subunit and proteins L9, L13 and L18 of the 60 S subunit. Several additional polypeptides were phosphorylated when purified 40 S or 60 S ribosomal proteins were separately incubated in the reconstituted system. The possible functions of ribosomal phosphorylation in protein synthesis will be discussed.
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