N-terminus

noun

The end of a polypeptide chain that consists of an amino acid with a free amino group.

Similar
aminoterminus
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Meanings

nounN-terminus (plural N-termini)

plural N-termini · alternative N-terminal

  1. biochemistryThe end of a polypeptide chain that consists of an amino acid with a free amino group.

    Synonyms: aminoterminus

Synonyms & antonyms

nounThe end of a polypeptide chain that consists of an amino acid with a free amino group.

Similar
aminoterminus
Also see
aminoterminus

Origin

From N- + terminus.

Full word history & related roots →
Cite this entry
APA

N-terminus. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/N-terminus

MLA

“N-terminus.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/N-terminus. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “N-terminus,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/N-terminus.

Source: N-terminus on Wiktionary, CC BY-SA 4.0.