Arsenault: Different Classes of proteins

Hormonal protein
Insulin
Insulin can be injected directly into people with diabetes.
http://en.wikipedia.org/wiki/Insulin_pen

 Transport Protein
Hemoglobin
Hemoglobin is found in blood and is used to transport oxygen throughout the blood stream.
42.249725,-71.621847

 Storage Protein
Ovalbumin
Ovalbumin is found in egg whites.
42.249725,-71.621847

Structural Protein
Keratin
Keratin is found in objects such as feathers and hair.
42.249725,-71.621847

Enzyme Protein
Lactase
Lactase is found naturally in the stomach to process lactose found in milk products but this supplement can be digested to assist in the process of breaking down the milk sugar.
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