>1dy9B (B:) observed residues (from ATOM records) apitaysqqtrgllgciitsltgrdknqvdgevqvlstatqsflatcvngvcwtvyhgag sktlagpkgpitqmytnvdqdlvgwpappgarsmtpctcgssdlylvtrhadvipvrrrg dsrgsllsprpvsylkgssggpllcpsghvvgifraavctrgvakavdfipvesm