Evidence for the mannosylation of a non-histone protein in monkey liver chromatin |
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Authors: | Gisèle Berthillier René Got |
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Institution: | (1) Laboratoire de Biochimie des Membranes, Université Lyon I, 43, Boulevard du 11 Novembre 1918, 69622 Villeurbanne Cédex, France |
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Abstract: | Summary Mannose is incorporated in monkey liver chromatin by the means of a nuclear membrane mannosyl-transferase.14C-labelled chromatin is dissociated either by sulfuric acid or 6 M urea and 0.4 M GuCl. The fractions then enriched in non-histone14C-labelled proteins are excluded from Ultro-gel AcA 202, their analysis in SDS-polyacrylamide gel electrophoresis shows that radioactivity fits with one major protein band, confirming the presence of at least a non-histone protein labelled with mannose in monkey liver chromatin, with an apparent molecular weight of 13 000. |
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