I believe that Collagen is the most common and abundant protein in the human body. Actin is another very common protein.
Collagen is the most common protein found in the human body. Collagen comprising 20-30% of body proteins. Actin is another most common protein as part of the smooth muscles. Actin makes up 10% of muscle cell proteins.
the most abundent protein in the human body is collagen. it considered to be 25 to 35 percent of whole body protein content.
it is mostly found in fibrous tissues. Gelatin, which is used in food and industry is collagen that has been irreversibly hydrolyzed