Protein Sequence Similarities

Definition

Protein sequence similarities refer to the degree of identity in the sequence of amino acids that make up proteins between different species. This can also indicate genetic relatedness and evolutionary relationships.

Related terms

Amino Acid:

Organic compounds that combine to form proteins; there are 20 standard amino acids.

Polypeptide Chain:

A chain made up by linking multiple amino acids together; it's essentially an incomplete protein until it folds into its functional shape.

Proteomics: The large-scale study of proteins, particularly their structures and functions.