[ribosomal protein S6 kinase alpha-5 isoform a, Ribosomal protein S6 kinase alpha-5, ribosomal protein S6 kinase alpha-5, ribosomal protein S6 kinase A5, 90 kDa ribosomal protein S6 kinase 5, Nuclear mitogen- and stress-activated protein kinase 1, RSK-like protein kinase, RSKL]