Proteins

1. Chemistry

1.1. Polymeric

1.2. Structure

1.2.1. Amino acid core structure

1.2.2. Side chain structures

1.2.3. Backbone/Secondary

1.2.4. Tertiary

1.3. Non-covalent interactions

1.4. Functional Groups

2. Modifications

2.1. Types

2.1.1. Naturally occurring

2.1.2. Chemical

2.2. Naturally occurring

2.2.1. Disulfide

2.2.2. Acetylation of N-terminus

2.2.3. Proteolytic processing

2.2.4. Glycosylation

2.2.5. Phosphorylation

2.2.6. Lysine acetylation

2.2.7. Ubiqitination

2.3. Lipid Modifications

2.3.1. Glycosyl phosphatidylinositol (GPI)

2.3.2. Aliphatic acylation

2.3.3. Prenylation

3. Classification

3.1. Soluble/Insoluble

3.2. Globular

3.3. Fibrous

3.4. Membrane

3.5. Oligomerization