A novel whole-cell lysate kinase assay identifies substrates of the p38 MAPK in differentiating myoblasts

Skeletal Muscle

Table 1 Newly discovered in vivo p38α substrates

Genes	Protein names	Sites
Ahnak	Neuroblast differentiation-associated protein AHNAK	S4906
Iws1	Protein IWS1 homolog	S183, S185
Grp78	78 kDa glucose-regulated protein	T649
Pgrmc	Membrane-associated progesterone receptor component 1	S181
Prdx6	Peroxiredoxin 6	T93
Ranbp2	E3 SUMO^a protein ligase RanBP2	S2505

ISSN: 2044-5040