>3u5cS (S:) observed residues (from ATOM records)
slvvqeqgsfqhilrllntnvdgnikivyalttikgvgrrysnlvckkadvdlhkragel
tqeelerivqimqnpthykipawflnrqnditdgkdyhtlannvesklrddlerlkkira
hrgirhfwglrvrgqhtkttgrrra