>3ak3B (B:) observed residues (from ATOM records)
mvsfkryelpplpynynalepyiieeimklhhqkhhntyvkganaalekiekhlkgeiqi
dvravmrdfsfnyaghimhtifwpnmappgkgggtpggrvadliekqfggfekfkalfsa
aaktvegvgwgvlafdplteelrilqvekhnvlmtaglvpilvidvwehayylqykndrg
syvenwwnvvnwddvekrleqalnnakplyllp