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N terminus

American  
Or N terminal

noun

Biochemistry.
  1. the amino end of a protein molecule.


Other Word Forms

Etymology

Origin of N terminus

Abbreviation for nitrogen or –NH 2

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

For the surface versions, the peptide was attached at either the N terminus or the C terminus, a subtle difference that can influence how immune cells recognize and process it.

From Science Daily Feb. 18, 2026

Each mRNA molecule is simultaneously translated by many ribosomes, all synthesizing protein in the same direction: reading the mRNA from 5' to 3' and synthesizing the polypeptide from the N terminus to the C terminus.

From Textbooks Jun. 9, 2022

In the β-AR–G-protein complex, ICL2 was observed to interact with the N terminus of the G subunit.

From Nature Feb. 13, 2013

The N terminus and ECL2 of rhodopsin fold into β-hairpin loops, and together they form a ‘lid’ for the ligand-binding pocket.

From Nature Feb. 13, 2013

It should be stressed, however, that the N terminus of the G protein interacts with the ICL2 and that the structure of ICL2 is crucial to this interaction.

From Nature Feb. 13, 2013

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