threoninen.
/ˈθriːəʊniːn/ Biochemistry.
A natural amino-acid, α-amino-β-hydroxy-butyric acid, C4H9NO3, considered essential for growth and for maintenance of the nitrogen equilibrium in adults.
ΚΠ
1936 Meyer & Rose in Jrnl. Biol. Chem. 115 727 It is proposed that henceforth natural α-amino-β-hydroxy-n-butyric acid be known as d(——)-threonine, inasmuch as it possesses a spatial configuration analogous to that of d(——)-threose.
1956 Nature 4 Feb. 238/1 The amino-acid pattern of the urine from this cystinuric dog is.., apart from threonine, identical with that found in cases of human cystinuria, while the finding of a low plasma-cystine points to a similar etiology.
1974 Nature 19 Apr. 643/2 Eight essential amino acids—[including]..valine, threonine, phenylalanine and tryptophan—are required by human adults.
This entry has not yet been fully updated (first published 1986; most recently modified version published online June 2018).
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