>5ul5B (B:) observed residues (from ATOM records)
mssqvehpaggykklfetveelsspltahvtgriplwltgsllrcgpglfevgsepfyhl
fdgqallhkfdfkeghvtyhrrfirtdayvramtekrivitefgtcafpgvevtdnalvn
iypvgedyyactetnfitkvnpetletikqvdlcnyvsvngatahphiendgtvynignc
fiaynivkipplqadkedpiskseivvqfpcsdrfkpsyvhsfgltpnyivfvetpvkin
lfkflsswslwganymdcfesnetmgvwlhiadkkrkkyinnkyrtspfnlfhhintyed
heflivdlccwkgfefvynylylanlrenweevkknarkapqpevrryvlplnidkadtg
knlvtlpnttatailcsdetiwlepevlfsgprqafefpqinyqkyggkpytyayglgln
hfvpdrlcklnvktketwvwqepdsypsepifvshpdaleeddgvvlsvvvspgagqkpa
yllilnakdlsevaraeveinipvtfhglfkks