>1berB (B:) observed residues (from ATOM records) ptlewflshchihkypskstlihqgekaetlyyivkgsvavlikdeegkemilsylnqgd figelglfeegqersawvraktacevaeisykkfrqliqvnpdilmrlsaqmarrlqvts ekvgnlafldvtgriaqtllnlakqpdamthpdgmqikitrqeigqivgcsretvgrilk mledqnlisahgktivv