The flexible arms of antibodies have binding sites that can protect the body from disease by recognizing and binding to foreign molecules. Image from "What is a Protein?", RCSB PDB-101.
Introduction
In this module, you’ll learn about protein structure: how it is formed, and why structure is critical for function.
Objectives
After completing this module you should be able to demonstrate Competency 1: Explain the four levels of protein structure.
The following objectives support this competency.
Define the four levels of protein structure .
Identify factors that influence protein structure.
Explain how amino acid side chains affect protein structures (hydrophobic, hydrophilic, charged).