# MAP Kinase (MAPK) ![[Pasted image 20250312054908.png|550]] - Activated [[The Ras Superfamily|Ras]] induces a kinase signal cascade that culminates in activation of MAP kinase MAP kinase is a *serine/threonine kinase* that can assist in the translocation of many different proteins into the nucleus via phosphorylation, including transcription factors that regulate gene expression (it’s literally like a MAP that other proteins can follow)