>3c4fB (B:) observed residues (from ATOM records)
elpedprwelprdrlvlgkplgegafgqvvlaeaigldkdkpnrvtkvavkmlksdatek
dlsdlisememmkmigkhkniinllgactqdgplyviveyaskgnlreylqarrppeeql
sskdlvscayqvargmeylaskkcihrdlaarnvlvtednvmkiadfglardihhidyyk
kttngrlpvkwmapealfdriythqsdvwsfgvllweiftlggspypgvpveelfkllke
ghrmdkpsnctnelymmmrdcwhavpsqrptfkqlvedldrivaltsnqe