A 38-kDa mitogen-activated protein kinase found primarily in SKELETAL MUSCLE.

Synonyms: MAP Kinase, p38gamma, SAP Kinase 3, Extracellular Signal Regulated Kinase 6, Stress Activated Protein Kinase 3, Stress-Activated Protein Kinase-3, Kinase-3, SAP, Kinase 3, SAP, MAPK12 Mitogen Activated Protein Kinase, Mitogen-Activated Protein Kinase 12, ERK6 Protein, SAP Kinase-3, Extracellular Signal-Regulated Kinase 6, Kinase, p38gamma MAP, EC 2.7.1.-, Mitogen Activated Protein Kinase 12, MAPK12 Mitogen-Activated Protein Kinase, SAPK3, p38gamma MAP Kinase, Protein Kinase-3, Stress-Activated, Kinase-3, Stress-Activated Protein