>1x1lX (X:) observed residues (from ATOM records)
dksycgfiaivgrpnvgkstllnkllgqkisitsrkaqttrhrivgihtegayqaiyvdt
pglhmeekrainrlmnkaasssigdvelvifvvegtrwtpddemvlnklregkapvilav
nkvdnvqekadllphlqflasqmnfldivpisaetglnvdtiaaivrkhlpeathhfped
yitdrsqrfmaseiireklmrflgaelpysvtveierfvsnerggydinglilveregqk
kmvignkgakiktigiearkdmqemfeapvhlelwvkvksgwadderalrsl