>1b6tB (B:) observed residues (from ATOM records) kraiypgtfdpitnghidivtratqmfdhvilaiaaspskkpmftleervalaqqatahl gnvevvgfsdlmanfarnqhatvlirglravadfeyemqlahmnrhlmpelesvflmpsk ewsfissslvkevarhqgdvthflpenvhqalmakla