>2atxA (A:) observed residues (from ATOM records) smahgpgalmlkcvvvgdgavgktcllmsyandafpeeyvptvfdhyavsvtvggkqyll glydtagqedydrlrplsypmtdvflicfsvvnpasfqnvkeewvpelkeyapnvpflli gtqidlrddpktlarlndmkekpicveqgqklakeigaccyvecsaltqkglktvfdeai iailtp