>2f6lB (B:) observed residues (from ATOM records) tsqlaelvdaaaerlevadpvaafkwraqlpiedsgrveqqlaklgedarsqhidpdyvt rvfddqirateaieysrfsdwklnpasappeppdlsasrsaidslnnrmlsqiwshwsll sapscaaqldrakrdivrsrhldslyqralttatqsycqalppa