Krishnan: Different classes of protein

The South American Pink ToeTarantula (Aviculara avicularia) exoskeleton contains chitin, a structural protein. Found at 42.24°N 71.6003°W

Naval oranges (Citrus sinensis) Pectinase, an enzyme protein. Found at 42.24°N 71.6003°W

Human (homo sapiens) contains Salivary amylase, an enzyme used in the primer digestion of carbohydrates. Found at 42.24°N 71.6003°W.

Insulin is hormonal protein. This particular sample is injected into humans who have diabetes. Found at 42.24°N 71.6003°W.

Chicken (Gallus gallus domesticus) egg whites contain Ovalbumin, a storage protein, .

 .Found at 42.24°N 71.6003°W. 

Cow (Bos primigenius) blood and flesh contains hemoglobin, a transport protein. Found at 42.24°N 71.6003°W.