An official website of the United States government.

The .gov means it's official.
Federal government websites always use a .gov or .mil domain. Before sharing sensitive information online, make sure you're on a .gov or .mil site by inspecting your browser's address (or "location") bar.

This site is also protected by an SSL (Secure Sockets Layer) certificate that's been signed by the U.S. government. The https:// means all transmitted data is encrypted - in other words, any information or browsing history that you provide is transmitted securely.

Thesaurus Search Results

amino acid substitution
Subject Category
S Biological Sciences
The replacement of one or more amino acids in a protein with another. If a functionally equivalent amino acid is substituted, the protein may retain wild-type activity. Substitution may also diminish or eliminate protein function.
Definition Source
NAL Thesaurus Staff
RDF/XML Format:
Scope Note
Use for substitution of one amino acid for another in a protein; for amino acid substitution as experimentally induced by humans USE amino acid substitution AND protein engineering.
Persistent URI:
Broader Term
Related Term
missense mutation
protein engineering
protein structure
structure-activity relationships
sustitución de aminoácidos
Term Number