Polypeptide Chain

Definition

A polypeptide chain is a single linear chain of amino acids bonded together by peptide bonds. It's an essential component in creating proteins.

Related terms

Amino Acid:

These are organic compounds that combine to form proteins. There are 20 standard ones involved in human biochemistry.

Peptide Bond: This bond occurs between two molecules when the carboxyl group (-COOH) of one molecule reacts with the amino group (-NH2) of another molecule, releasing water (H2O).

Primary Structure:

This term refers to sequence of amino acids forming a protein or polypeptide chain.