participates in protein phosphorylation transmembrane receptor protein tyrosine kinase signaling pathway central nervous system development negative regulation of cell population proliferation cell migration T cell costimulation peptidyl-tyrosine autophosphorylation regulation of cell population proliferation positive regulation of MAP kinase activity innate immune response protein autophosphorylation tyrosine-protein kinase CSK Homo sapiens protein tyrosine-protein kinase CSK (human) Category=organism-gene. Requested by=PubChem. protein-tyrosine kinase CYL (human) protein CSK C-Src kinase (human) Reactome:R-HSA-203776 A tyrosine-protein kinase CSK that is encoded in the genome of human. PR:P41240 DTO:03100096 UniProtKB:P41240 Reactome:R-HSA-180499 hCSK