>1kth_A mol:protein length:58 Collagen alpha 3(VI) chain ETDICKLPKDEGTCRDFILKWYYDPNTKSCARFWYGGCGGNENKFGSQKECEKVCAPV >1kth_A mol:protein length:58 Collagen alpha 3(VI) chain ETDICKLPKDEGTCRDFILKWYYDPNTKSCARFWYGGCGGNENKFGSQKECEKVCAPV