A 44-kDa extracellular signal-regulated MAP kinase that may play a role the initiation and regulation of MEIOSIS; MITOSIS; and postmitotic functions in differentiated cells. It phosphorylates a number of TRANSCRIPTION FACTORS; and MICROTUBULE-ASSOCIATED PROTEINS.
Also Known As:
ERK1 Kinase; MAPK3 Mitogen-Activated Protein Kinase; Meiosis-Activated Myelin Basic Protein Kinase p44(mpk); Microtubule-Associated Protein-2 Kinase; PSTkinase p44mpk; Protein-Serine-Threonine Kinase p44(mpk); p44 MAPK; Extracellular Signal Regulated Kinase 1; Kinase, ERK1; Kinase, Microtubule-Associated Protein-2; MAPK3 Mitogen Activated Protein Kinase; Microtubule Associated Protein 2 Kinase; Mitogen Activated Protein Kinase 3; p44mpk, PSTkinase; Extracellular Signal-Regulated Kinase 1