>5whlB (B:) observed residues (from ATOM records)
grliytaggyfrqslsyleaynpsdgtwlrladlqvprsglagcvvggllyavggrnnsp
dgntdssaldcynpmtnqwspcapmsvprnrigvgvidghiyavggshgcihhnsverye
perdewhlvapmltrrigvgvavlnrllyavggfdgtnrlnsaecyypernewrmitamn
tirsgagvcvlhnciyaaggydgqdqlnsverydvatatwtfvapmkhrrsalgitvhqg
riyvlggydghtfldsvecydpdtdtwsevtrmtsgrsgvgvavtmeps