>2y93A (A:) observed residues (from ATOM records)
mkltgevalitggasglgralvdrfvaegarvavldksaerlrelevahggnavgvvgdv
rslqdqkraaerclaafgkidtlipnagiwdystaladlpedkidaafddifhvnvkgyi
havkaclpalvssrgsvvftisnagfypngggplytatkhavvglvrqmafelaphvrvn
gvapggmntdlrgpsslgsvpladmlksvlpigrmpaleeytgayvffatrgdslpatga
llnydggmgvrgfltaaggadlpeklnin