label: protein serine/threonine/tyrosine kinase activity
label_lc: protein serine/threonine/tyrosine kinase activity
description: "Catalysis of the reactions: ATP + a protein serine = ADP + protein serine phosphate; ATP + a protein threonine = ADP + protein threonine phosphate; and ATP + a protein tyrosine = ADP + protein tyrosine phosphate."