>1u6dX (X:) observed residues (from ATOM records)
pkvgrliytaggyfrqslsyleaynpsdgtwlrladlqvprsglagcvvggllyavggrn
nspdgntdssaldcynpmtnqwspcapmsvprnrigvgvidghiyavggshgcihhnsve
ryeperdewhlvapmltrrigvgvavlnrllyavggfdgtnrlnsaecyypernewrmit
amntirsgagvcvlhnciyaaggydgqdqlnsverydvetetwtfvapmkhrrsalgitv
hqgriyvlggydghtfldsvecydpdtdtwsevtrmtsgrsgvgvavt