>1rxuB (B:) observed residues (from ATOM records)
sdvfhlgltkndlqgatlaivpgdpdrvekiaalmdkpvklashrefttwraeldgkpvi
vcstgiggpstsiaveelaqlgirtflrigttgaiqphinvgdvlvttasvrldgaslhf
aplefpavadfecttalveaaksigatthvgvtassdtfypgqerydtysgrvvrhfkgs
meewqamgvmnyemesatlltmcasqglragmvagvivnrtqqeipnaetmkqteshavk
ivveaarrll