Mitogen-Activated Protein Kinase Kinase Kinase 3

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

**Definition:** Mitogen-activated protein kinase kinase kinase 3 (626 aa, ~71 kDa) is encoded by the human MAP3K3 gene. This protein plays a role in the propagation of signaling pathways.

**Synonyms:** - EC 2.7.11.25 - MAP/ERK Kinase Kinase 3 - MAP3K3 - MAPK/ERK Kinase Kinase 3 - MEK Kinase 3 - MEKK 3