Definition
noun
A structural level wherein several proteins (or polypeptide subunits) interact through non-covalent bonds to form one functional protein complex.
Supplement
In proteins, there are four recognized levels of protein structure: primary structure, secondary structure, tertiary structure, and quaternary structure.
A quaternary structure of a protein refers to the assembly of multiple folded protein molecules in a multi-subunit complex.
See also: protein structure
Dictionary > Quaternary structure
You will also like...
Muscle
Muscle cells are specialized to generate force and movement. Learn about the different types of muscle tissues in this t..
Water in Plants
The movement of molecules (specifically, water and solutes) is vital to the understanding of plant processes. This tuto..
Biosecurity and Biocontrol
This lesson explores the impact of biosecurity threats, and why they need to be identified and managed. Examples to incl..
New Zealand’s Unique Flora
If New Zealand has lots of unique animals, it's also got a whole lot of unique plants. Find out more about some of them,..
Control of Growth & Development
Control of Growth & Development tutorials look at how the genetic makeup determines the biological processes on a da..
Lights’ Effect on Growth
This tutorial elaborates on the effect of light on plant growth. It describes how different plants require different amo..

