Definition of threonine in English:

threonine

Syllabification: thre·o·nine
Pronunciation: /ˈTHrēəˌnēn, -nin
 
/

noun

Biochemistry
  • A hydrophilic amino acid that is a constituent of most proteins. It is an essential nutrient in the diet of vertebrates.
    • Chemical formula: CH3CH(OH)CH(NH2)COOH
    More example sentences
    • The essential amino acids are histidine, tryptophan, threonine, valine, phenylalanine, leucine, methionine, lysine, and isoleusine.
    • The aspartate can be used as a precursor for the synthesis of other amino acids such as asparagine, threonine, isoleucine, leucine, valine, lysine, and methionine.
    • Nitrogen limitation in plants could explain the use of the polar amino acids serine and threonine instead of nitrogen-containing asparagine as in P. falciparum.

Origin

1930s: from threose (the name of a tetrose sugar) + -ine4.

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