Ribosomal Protein S6 Kinase Alpha-1

**Semantic type:** Amino Acid, Peptide, or Protein|Enzyme

**Definition:** Ribosomal protein S6 kinase alpha-1 (735 aa, ~83 kDa) is encoded by the human RPS6KA1 gene. This protein is involved in MAPK signaling and regulation of cell growth, proliferation, and differentiation.

**Synonyms:** - 90 kDa Ribosomal Protein S6 Kinase 1 - EC 2.7.11.1 - MAP Kinase-Activated Protein Kinase 1a - MAPK-Activated Protein Kinase 1a - MAPKAP Kinase 1a - MAPKAPK-1a - Mitogen-Activated Protein Kinase-Activated Protein Kinase 1a - RPS6KA1 - RSK-1 - Ribosomal Protein S6 Kinase 1 - Ribosomal Protein S6 Kinase Alpha 1 - Ribosomal S6 Kinase 1 - S6K-Alpha 1 - S6K-Alpha-1 - p90-RSK 1 - p90RSK1 - p90S6K