>1s1hM (M:) observed residues (from ATOM records)
lrllntnvdgnikivyalttikgvgrrysnlvckkadvdlhkrageltqeelerivqimq
npthykipawflnrqnditdgkdyhtlannvesklrddlerlkkirahrgirhfwglrvr
gqhtkttgrrr