Collagen I, alpha-1 polypeptide|alpha 1 type I collagen|collagen alpha 1 chain type I|collagen of skin, tendon and bone, alpha-1 chain|osteogenesis imperfecta type IV|pro-alpha-1 collagen type 1|type I collagen alpha 1 chain|type I collagen pro alpha 1(I) chain propeptide|type II procollagen...