Definition of intein in English:


Line breaks: in¦tein
Pronunciation: /ˈɪntiːn


  • An internal segment of amino acids that is excised from a protein precursor to generate a new protein.
    More example sentences
    • Intein excision depends on the splicing domain of the intein and the first amino acid residue of the C-extein.
    • It encodes a bifunctional protein with two domains, a homing endonuclease and a self-splicing intein.
    • The MSI group takes the molecule of interest - say, a protein ligand - and attaches an intein to it.


1990s: from internal + protein.

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day skosh
Pronunciation: skəʊʃ
a small amount; a little