>1u1fA (A:) observed residues (from ATOM records)
sdvfhlgltkndlqgatlaivpgdpdrvekiaalmdkpvklashrefttwraeldgkpvi
vcstgiggpstsiaveelaqlgirtflrigttgaiqphinvgdvlvttasvrldgaslhf
aplefpavadfecttalveaaksigatthvgvtassdtfypgqerydtysgrvvrhfkgs
meewqamgvmnyemesatlltmcasqglragmvagvivnrtqtmkqteshavkivveaar
rll