>1u1fB (B:) observed residues (from ATOM records)
ksdvfhlgltkndlqgatlaivpgdpdrvekiaalmdkpvklashrefttwraeldgkpv
ivcstgiggpstsiaveelaqlgirtflrigttgaiqphinvgdvlvttasvrldgaslh
faplefpavadfecttalveaaksigatthvgvtassdtfypgqerydtysgrvvrhfkg
smeewqamgvmnyemesatlltmcasqglragmvagvivnrtqqeipnaetmkqteshav
kivveaarrll