>2ybfA (A:) observed residues (from ATOM records)
tparrrlmrdfkrlqedppvgvsgapsennimqwnavifgpegtpfedgtfklviefsee
ypnkpptvrflskmfhpnvyadgsicldilqnrwsptydvssiltsiqslldepnpnspa
nsqaaqlyqenkreyekrvsaiveqswnds