Meaning of alanine in English:


Pronunciation /ˈaləniːn/


mass nounBiochemistry
  • An amino acid which is a constituent of most proteins.

    Chemical formula: CH₃CH(NH₂)COOH

    ‘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.’
    • ‘The neutral amino acids alanine, threonine and valine accumulated in the vesicles by factors of 30-50.’
    • ‘They look like alanine molecules, or amino acids, or like chloroform.’


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