Answer to Question #279877 in Molecular Biology for Sarah

Question

What is the name of a protein that is used for structures?

Answer 1

Keratin. Keratin is the main structural protein that forms the hair, wool, feathers, nails, and horns of many types of animals. This protein has a high content of cysteine (7–20% of the total amino acid residues), which is known to form intramolecular and intermolecular disulfide bonds [39, 40