>3ls2B (B:) observed residues (from ATOM records)
lenissvkvsggwhkqythsavsthctmrfavflppgasesnkvpvlywlsgltctdenf
mqkagafkkaaelgiaivapdtsprgdnvpnedsydfaqgagfyvnatqapynthfnmyd
yvvnelpalieqhfpvtstkaisghsmgghgalmialknpqdyvsasafspivnpincpw
gvkaftgylgadkttwaqydscklmakaeqsnylpmlvsqgdadnfldeqlkpqnlvava
kqkdypltlemqtgydhsyffissfidqhlvfhhqyls