>1w3cA (A:) observed residues (from ATOM records)
itaysqqtrgllgciitsltgrdknqvdgevqvlstatqsflatcvngvcwtvyhgagsk
tlagpkgpitqmytnvdqdlvgwpappgarsmtpctcgssdlylvtrhadvipvrrrgds
rgsllsprpvsylkgssggpllcpsghvvgifraavctrgvakavdfipvesme