>1nxkD (D:) observed residues (from ATOM records)
fpqfhvksglqikknaiiddykvtsqvlglgingkvlqifnkrtqekfalkmlqdcpkar
revelhwrasqcphivrivdvyenlyagrkcllivmecldggelfsriqdrftereasei
mksigeaiqylhsiniahrdvkpenllytskrpnailkltdfgfakettcytpyyvapev
lgpekydkscdmwslgvimyillcgyppfysnhglaispgmktrirmgqyefpnpewsev
seevkmlirnllkteptqrmtitefmnhpwimqstkvpqtplhtsrvl