>3fsnB (B:) observed residues (from ATOM records)
sqvehpaggykklfetveelsspltahvtgriplwltgsllrcgpglfevgsepfyhlfd
gqallhkfdfkeghvtyhrrfirtdayvramtekrivitefgtcafpevtdnalvniypv
gedyyactetnfitkvnpetletikqvdlcnyvsvngatahphiendgtvynigncfgkn
fsiaynivkipplqadkedpiskseivvqfpcsdrfkpsyvhsfgltpnyivfvetpvki
nlfkflsswslwganymdcfesnetmgvwlhiadkkrkkyinnkyrtspfnlfhhintye
dheflivdlccwkgfefvynylylanlrenweevkknarkapqpevrryvlplnidkadt
gknlvtlpnttatailcsdetiwlepevlfsgprqafefpqinyqkyggkpytyayglgl
nhfvpdrlcklnvktketwvwqepdsypsepifvshpdaleeddgvvlsvvvspgagqkp
ayllilnakdlsevaraeveinipvtfhglfkks