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C terminus

American

Or C terminal

noun

Biochemistry.

the carboxyl end of a protein molecule.

Other Word Forms

C-terminal adjective

Etymology

Origin of C terminus

C, abbreviation for carboxyl

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.

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

However, because the C terminus of the TcB–TcC complex is only partially resolved, this contour level is probably slightly overestimated and therefore the map also includes some background noise.

From Nature • Apr. 4, 2014

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023