aspartokinase

== English == === Etymology === From asparto- +‎ kinase. === Noun === aspartokinase (countable and uncountable, plural aspartokinases) (organic chemistry) An enzyme that catalyzes the phosphorylation of the amino acid aspartate, the first step in the biosynthesis of three essential amino acids: methionine, lysine, and threonine. ==== Synonyms ==== aspartate kinase