a protein kinase of the MAPK family. Plays a critical role in the regulation of cell growth and differentiation. Localized in the nucleus, and has been reported to be activated in fibroblasts upon treatment with serum or phorbol esters. Note: This description may include information from UniProtKB.
Protein type: EC 188.8.131.52; Kinase, protein; Protein kinase, Ser/Thr (non-receptor); Protein kinase, CMGC; CMGC group; MAPK family; MAPK/ERK subfamily; ERK subfamily
Cellular Component: cytoplasm; nucleus
Molecular Function: MAP kinase activity; protein serine/threonine kinase activity; protein binding; protein heterodimerization activity; protein kinase binding; ATP binding
Biological Process: MAPKKK cascade; cell cycle; signal transduction; protein amino acid phosphorylation
SS: The number of records in which this modification site was determined using site-specific methods. SS methods include amino acid sequencing, site-directed mutagenesis, modification site-specific antibodies, specific MS strategies, etc.