>3zv3B (B:) observed residues (from ATOM records)
mkltgevalitggasglgralvdrfvaegarvavldksaerlrelevahggnavgvvgdv
rslqdqkraaerclaafgkidtlipnagiwdystaladlpedkidaafddifhvnvkgyi
havkaclpalvssrgsvvftisnagfypngggplytatkhavvglvrqmafelaphvrvn
gvapggmntdlrgpsslglseqsissvpladmlksvlpigrmpaleeytgayvffatrgd
slpatgallnydggmgvrgfltaaggadlpeklnin