Cytosolic MOB1A and MOB1B are phosphorylated by phospho-STK4(MST1)/N (Graves et al. 1998; Lee et al. 2001). Threonine residues 12 and 35 have been experimentally identifed as the targets of MOB1A phosphorylation; the homologous residues of MOB1B are inferred likewise to be targets.
Tsubuki, S, Yajima, N, Lee, KK, Ohyama, T, Yonehara, S
Ambrose, DM, Krebs, EG, Han, DK, Gotoh, Y, Clark, EA, Draves, KE, Chernoff, J, Wright, M, Graves, JD
protein serine/threonine kinase activity of p-STK4/N:p-SAV1 [cytosol]
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