Mitotic Checkpoint Serine/Threonine-Protein Kinase BUB1 Beta

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

**Definition:** Mitotic checkpoint serine/threonine-protein kinase BUB1 beta (1050 aa, ~120 kDa) is encoded by the human BUB1B gene. This protein is involved in the mediation of protein phosphorylation that is an essential part of the mitotic checkpoint.

**Synonyms:** - BUB1B - EC 2.7.11.1 - MAD3/BUB1-Related Protein Kinase - Mitotic Checkpoint Kinase MAD3L - Protein SSK1 - hBUBR1