>6s54B (B:) observed residues (from ATOM records)
nkawlkehntvhmmhpmqdpkalheqrpliiqsgkgvhitdvdgrrfidcqgglwcvnag
ygrreiidavtrqmeelayyslfpgstnapaialsqkltevaaeegmvkasfglggsdav
etalkiarqywklegqpdkvkfvslyngyhglnfggmsacggnawkssyeplmpgffqve
sphlyrnpftndpeelaeicaqilerqiemqapgtvaaliaepiqgaggvivppasywpr
lrqicdkydilliadevitglgrsgslfgsrgwgvkpdimclakgissgyvplsatlvns
rvarawerdagftsvymhgytysghpvscaaalaaidivlqenlaenarvvgdyflekll
ilkdkhraigdvrgkglmlavelvkeratkepfgpadayplaiseacvnngvmirtivnk
liisppltfttehvdevievldrafvanpw