Definition of alanine in English:

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alanine

Pronunciation: /ˈaləniːn/

noun

[mass noun] Biochemistry
An amino acid which is a constituent of most proteins.
  • Chemical formula: CH3CH(NH2)COOH
Example sentences
  • Other examples of amino acids are alanine, leucine, cysteine, arginine, and tryptophan.
  • All of these silks are composed of protein chains in which the amino acids glycine, alanine, and serine dominate.
  • Also, a combination of the amino acids glycine, alanine and glutamic acid can relieve symptoms of prostatitis.

Origin

Mid 19th century: coined in German as Alanin, from aldehyde + -an (for ease of pronunciation) + -ine4.

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