>3k96B (B:) observed residues (from ATOM records)
pfkhpiailgagswgtalalvlarkgqkvrlwsyesdhvdemqaegvnnrylpnypfpet
lkaycdlkaslegvtdilivvpsfafhevitrmkplidaktriawgtkglakgsrllhev
vatelgqvpmavisgpslatevaanlptavslasnnsqfskdlierlhgqrfrvyknddm
igvelcgsvknilaiatgisdglklgsnaraalitrgltemgrlvsvfggkqetltglag
lgdlvltctdnqsrnrrfglalgegvdkkeaqqaigqaieglyntdqvhalaqkhaiemp
ltfqvhrilhedldpqqavqeller