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skos:definition |
NCI: Encoded by human RPS6KB2 Gene (S6 Ser/Thr Kinase Family), 482-aa 53-kDa Ribosomal Protein S6 Kinase Beta 2 specifically phosphorylates 40S ribosomal protein S6, the major eukaryotic ribosome substrate of many kinases. S6 phosphorylation is stimulated by growth factors and mitogens; dephosphorylation occurs at growth arrest. S6 may control cell growth and proliferation through the selective translation of specific of mRNA classes. (NCI)
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