All posts tagged Structure

Proteins are made up of 4 categories of structure:

Primary – Amino acid sequence

Secondary – Alpha helix and Beta pleated sheets

Tertiary – 3D Structure created by protein folding

Quaternary – Arrangement of multiple folded proteins




If you want to look at some 3D structures you can click the following links:

Macrophage Migration Inhibitory Protein

Haemoglobin Protein

This is a website showing a nice animation of the differences between Gram positive and Gram negative bacteria:


A Quality Management System (QMS) is a structure that leads to the implementation of quality within an organisation. The figure below summarises the structures within a QMS.