tokens: We also localized the Fra-2 phosphorylation sites by MAPK to three threonine and three serine residues in the COOH-terminal region by means of site directed mutagenesis and showed that the threonine residues were more susceptible to MAPK .
folded_tokens: we also localize the fra-2 phosphorylation site by mapk to three threonine and three serine residue in the cooh-terminal region by means of site directed mutagenesis and show that the threonine residue be more susceptible to mapk .