>4nkaB (B:) observed residues (from ATOM records)
agvseyelpedprwelprdrlvlgkplgegafgqvvlaeaigldkpnrvtkvavkmlksd
atekdlsdlisememmkmigkhkniinllgactqdgplyviveyaskgnlreylqarrpp
eqlsskdlvscayqvargmeylaskkcihrdlaarnvlvtednvmkiadfhhidyykktt
ngrlpvkwmapealfdriythqsdvwsfgvllweiftlggspypgvpveelfkllkeghr
mdkpsnctnelymmmrdcwhavpsqrptfkqlvedldrivaltsnqe