>2xynB (B:) SEQRES residues
mghhhhhhssgvdlgtenlyfqsmdkwemertditmkhklgggqygevyvgvwkkysltv
avktlkedtmeveeflkeaavmkeikhpnlvqllgvctleppfyivteympygnlldylr
ecnreevtavvllymatqissameylekknfihrdlaarnclvgenhvvkvadfglsrlm
tgdtytahagakfpikwtapeslayntfsiksdvwafgvllweiatygmspypgidlsqv
ydllekgyrmeqpegcppkvyelmracwkwspadrpsfaethqafetmfhds