<unk><unk><unk>  <unk><unk> s (EC 2.7.11.24) are serine/threonine-specific<unk><unk> s that respond to extracellular stimuli<unk> s) and regulate various cellular activities, such as gene expression, mitosis, differentiation, cell survival, and apoptosis.
Mitogen-activated protein kinase
Rho GTPase
MAP kinase kinase kinase
Janus kinase
Cyclin-dependent kinase
JAK-STAT signaling pathway
Wnt signaling pathway
Receptor tyrosine kinase