RIBOSOMAL PROTEIN S6 KINASE ALPHA 3 (EC 2.7.1.37) (S6K-ALPHA 3) (90 KDA RIBOSOMAL PROTEIN S6 KINASE 3) (P90-RSK 3) (RIBOSOMAL S6 KINASE 2) (RSK-2) (PP90RSK2) (INSULIN-STIMULATED PROTEIN KINASE 1) (ISPK-1). [Source:SWISSPROT;Acc:P51812]