>2yxdB (B:) observed residues (from ATOM records)
mipdeefirregvpitkeeiravsigklnlnkddvvvdvgcgsggmtveiakrckfvyai
dyldgaievtkqnlakfnikncqiikgraedvldklefnkafiggtkniekiieildkkk
inhivantivlenaakiinefesrgynvdavnvfisyakkipsghmflaknpitiikavr