>5x8sB (B:) observed residues (from ATOM records)
aslteiehlvqsvcksyretcqlrledllrqrsnifsreevtgyqrksmwemwercahhl
teaiqyvvefakrlsgfmelcqndqivllkagamevvlvrmcraynadnrtvffegkygg
melfralgcselissifdfshslsalhfsedeialytalvlinahrpglqekrkveqlqy
nlelafhhhlckthrqsilaklppkgklrslcsqhverlqifqhlhpivvqa