>4i02B (B:) observed residues (from ATOM records)
mvlgkpqtdptlewflshchihkypskstlihqgekaetlyyivkgsvavlikdeegkem
ilsylnqgdfigelglfeegqersawvraktacevaeisykkfrqliqvnpdilmrlsaq
marrlqvtsekvgnlafldatgriaqtllnlakqpdamthpdgmqikitrqeigqivgcs
retvgrilkmledqnlisativvygt