SEARCH Articles Figures Tables Histones serine 139 phosphorylation Phosphorus phosphoryl serine Phosphorylation of serine Phosphorylation, serine/threonine tyrosine Protein phosphorylation serine Serin phosphorylation Serin phosphorylation Serine and threonine phosphorylation Serine and threonine phosphorylation protein phosphatase Serine phosphorylated Serine phosphorylated Serine phosphorylation site Serine-14 residue, phosphorylation Serine/threonine phosphorylation