Conjugated, Primary derived, Secondary derived proteins

Phosphoproteins

- Casein (milk)

- Ovovitellin (egg yolk)

- Glycogen phosphorylase

Nucleoproteins

Nuclein (cell nuclei)

Glycoprotein

- Mucin (vitreous humor & saliva)

- gamma globulin (antibody)

- interferon (antiviral protection)

Chromoproteins/

Hemoproteins

- Hemoglobin (oxygen carrier in the blood)

- Myoglobin (oxygen binder in muscles)

Lipoproteins

Fatty acids; sterols; lecithin

Metalloproteins

- Enzyme

- Ferritin

- Fibrin

- Myosan

Example of proteans

Metaproteins

Acid and alkali

albuminates

Coagulated proteins

- Coagulated egg albumin

- Cooked meat

Proteoses

Highest molecular

weight group

Peptones

Intermediates in molecular weight

Peptides

Lowest molecular weight group