>1yafB (B:) observed residues (from ATOM records)
kfseecrsaaaewwegsfvhpfvqgigdgtlpidrfkyyvlqdsyylthfakvqsfgaay
akdlyttgrmashaqgtyeaemalhrefaelleiseeerkafkpsptaysytshmyrsvl
sgnfaeilaallpcywlyyevgekllhcdpghpiyqkwigtyggdwfrqqveeqinrfde
laensteevrakmkenfvissyyeyqfwgmayrkegwsd