Answer:
Some of the proteins which help to form human body structures are:
Keratinocytes: Keratinocytes can be described as cells which make the protein named keratin. Keratin is the main proteins which helps to structure our hair and nails.
Connective cells: The connective cells of the body are involved in the formation of a protein named as collagen. Collagen is a structural protein which is essential to maintain the skeletal structure of humans.
