ASK1, phosphorylated (Ser83) (Apoptosis Signal-regulating Kinase 1, ASK-1, Mitogen-activated Protein Kinase Kinase Kinase 5, MAP3K5, MAPKKK5, MAPK/ERK Kinase Kinase 5, MEK Kinase 5, MEKK 5, MEKK5)