>1berA (A:) observed residues (from ATOM records) ptlewflshchihkypskstlihqgekaetlyyivkgsvavlikdeegkemilsylnqgd figelglfeegqersawvraktacevaeisykkfrqliqvnpdilmrlsaqmarrlqvts ekvgnlafldvtgriaqtllnlakqpdamthpdgmqikitrqeigqivgcsretvgrilk mledqnlisahgktivvyg