Germinal center kinases (GCKs) are serine/threonine kinases characterised by an N-terminal STE20 kinase domain. They have diverse roles in signaling pathways; some are MAPK kinase kinase kinases, activating MAPK kinase kinases. (Adapted from FBrf0225276 and FBrf0228279).
Notes on Group
Stlk is predicted to be a pseudokinase based on sequence analysis (FBrf0209106) and is therefore omitted from this group.