>4lltB (B:) observed residues (from ATOM records)
smftqrldaaaaavqahfdkvlaafeplpiveamahatsggkrlrgflvletarlhdiaa
geaiwsataiealhayslvhddlpcmdnddmrrgqptvhkkwddatavlagdalqtlafe
lvthpgasasaevradlalslarasgaqgmvlgqaldiaaetaraplsldeitrlqqgkt
galigwsaqagarlaqadtaalkryaqalglafqiaddildvtgdsaqvgkavgkdasag
katfvsllgldaararamslideacdslatygakadtlretarfvvrrth