>2xynB (B:) observed residues (from ATOM records)
kwemertditmkhklgggqygevyvgvwkkysltvavktldtmeveeflkeaavmkeikh
pnlvqllgvctleppfyivteympygnlldylrecnreevtavvllymatqissameyle
kknfihrdlaarnclvgenhvvkvadfglsrlmtgdtytahagakfpikwtapeslaynt
fsiksdvwafgvllweiatygmspypgidlsqvydllekgyrmeqpegcppkvyelmrac
wkwspadrpsfaethqafetmfhd