>1skuD (D:) observed residues (from ATOM records) klqveaikrgtvidhipaqigfkllslfkltetdqritiglnlpsgemgrkdlikientf lsedqvdqlalyapqatvnridnyevvgksrpslperidnvlvcpnsncishaepvsssf avrkrandialkckycekefshnvvlan