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Author: Nathan Lampson

This lesson will describe the levels of protein structure as well as define the role of proteins in your body

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Developing Effective Teams

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Terms to Know
Amino Acids

​The building blocks of proteins. Amino acids compose proteins.

Peptide Bond

​A type of bond that joins amino acids together.

Primary Structure of Proteins

The most simple structure of proteins composed of a chain of amino acids.


​Organic molecules composed of amino acids.

​Polypeptide Chain

​A chain formed when three or more amino acids join together.

​Quaternary Structure of Proteins

​The most complex level of protein structure where the tertiary structure of several amino acid chains are bonded together.

​Tertiary Structure of Proteins

​The third level of organization of proteins where amino acids continue to twist and fold forming a 3-D shape.

​​Secondary Structure of Proteins

The second level of organization of proteins where amino acid chains twist and fold.