>3cs9D (D:) observed residues (from ATOM records)
dkwemertditmkhklgggqygevyegvwtvavktlkedtmeveeflkeaavmkeikhpn
lvqllgvctreppfyiitefmtygnlldylrecnrqevnavvllymatqissameylekk
nfihrdlaarnclvgenhlvkvadfglsrlmtgdtytahagakfpikwtapeslaynkfs
iksdvwafgvllweiatygmspypgidlsqvyellekdyrmerpegcpekvyelmracwq
wnpsdrpsfaeihqafetmfqes