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