>6b7aA (A:) observed residues (from ATOM records)
qkraiypgtfdpitnghidivtratqmfdhvilaiaaspskkpmftleervalaqqatah
lgnvevvgfsdlmanfarnqhatvlirglravadfeyemqlahmnrhlmpelesvflmps
kewsfissslvkevarhqgdvthflpenvhqalmaklav