>6chqA (A:) observed residues (from ATOM records)
mqkraiypgtfdpitnghidivtratqmfdhvilaiaaspskkpmftleervalaqqata
hlgnvevvgfsdlmanfarnqhatvlirglravadfeyemqlahmnrhlmpelesvflmp
skewsfissslvkevarhqgdvthflpenvhqalmaklav