Serine/Threonine-Protein Kinase 40

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

**Definition:** Serine/threonine-protein kinase 40 (435 aa, ~49 kDa) is encoded by the human STK40 gene. This protein plays a role in serine/threonine phosphorylation that modulates the activity of NF-kappa-B and p53.

**Synonyms:** - EC 2.7.11.1 - SINK-Homologous Inhibitory Kinase - SINK-Homologous Serine/Threonine-Protein Kinase - STK40 - Serine/Threonine Protein Kinase 40 - SgK495 - Sugen Kinase 495