>6chqB (B:) observed residues (from ATOM records)
qkraiypgtfdpitnghidivtratqmfdhvilaiaaspskkpmftleervalaqqatah
lgnvevvgfsdlmanfarnqhatvlirglravadfeyemqlahmnrhlmpelesvflmps
kewsfissslvkevarhqgdvthflpenvhqalmakla