ribosomal protein S6 kinase alpha-1 S6K-alpha-1 IUPHARobj:1527 A ribosomal protein S6 kinase alpha that is a translation product of the human RPS6KA1 gene or a 1:1 ortholog thereof. RPS6KA1 MAP kinase-activated protein kinase 1a PR:000014282 90 kDa ribosomal protein S6 kinase 1 MAPKAPK-1a MAPKAP kinase 1a MAPKAPK1A ribosomal S6 kinase 1 RSK1 MAPK-activated protein kinase 1a protein p90S6K Category=gene. p90-RSK 1 p90RSK1 RSK-1 ribosomal protein S6 kinase alpha