threonine

As a verb serine

is .

As a noun threonine is

threonine.

As nouns the difference between alanine and threonine

is that alanine is (amino acid|uncountable) a nonessential amino acid 2-aminopropanoic acid found in most animal proteins while threonine is threonine.

As nouns the difference between taxonomy and threonine

is that taxonomy is the science or the technique used to make a classification while threonine is threonine.

As nouns the difference between threonine and threonyl

is that threonine is threonine while threonyl is (organic chemistry) the univalent radical derived from threonine.

As nouns the difference between threonine and allothreonine

is that threonine is threonine while allothreonine is (organic compound) either of two stereoisomers of threonine that are not normally found in nature.

As nouns the difference between threonine and phosphothreonine

is that threonine is threonine while phosphothreonine is (organic compound) the phosphorylated form of threonine.

As nouns the difference between threonine and aspartokinase

is that threonine is an essential amino acid C₄H₁₉NO₃ found in most animal proteins while aspartokinase is 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.