>1u1fF (F:) observed residues (from ATOM records) sdvfhlgltkndlqgatlaivpgdpdrvekiaalmdkpvklashrefttwraeldgkpvi vcstgiggpstsiaveelaqlgirtflrigttgaiqphinvgdvlvttasvrldgaslhf aplefpavadfecttalveaaksigatthvgvtassdtfypgqerydtysgrvvrhfkgs meewqamgvmnyemesatlltmcasqglragmvagvivnrtqqeipnaetmkqteshavk ivveaarrll