Mitogen-activated protein (MAP) kinase phosphorylation of MAP kinase kinase: determination of phosphorylation sites by mass spectrometry and site-directed mutagenesis.
J Biochem. 1994 Aug;116(2):304-14. doi: 10.1093/oxfordjournals.jbchem.a124524.
J Biochem. 1994.
PMID: 7822248
Free article.