# trp

CEFR C2 · Noun

Source: https://englishreference.com/word/trp
Updated: 2026-05-26

## Definition

a short way of writing about the amino acid tryptophan. It is used mostly in science to talk about how proteins are built.

For teachers: the chemical symbol for the amino acid tryptophan. Used primarily in biochemical contexts to denote the presence of this essential amino acid in protein sequences.

## Examples

- The scientist noted that the protein contains several trp residues.
- In the lab report, the researchers identified a specific trp mutation that affects the enzyme's activity.
- The structural integrity of the protein was found to depend heavily on the positioning of trp molecules within the hydrophobic core of the tertiary structure.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.