>4nk9B (B:) observed residues (from ATOM records)
vseyelpedprwelprdrlvlgkplgegafgqvvlaeaigldkpnrvtkvavkmlksdat
ekdlsdlisememmkmigkhkniinllgactqdgplyviveyaskgnlreylqarrppql
sskdlvscayqvargmeylaskkcihrdlaarnvlvtednvmkiadfgdyykkttngrlp
vkwmapealfdriythqsdvwsfgvllweiftlggspypgvpveelfkllkeghrmdkps
nctnelymmmrdcwhavpsqrptfkqlvedldrivaltsnqe