>1sxtB (B:) observed residues (from ATOM records) kdlrkkselqgtalgnlkqiyyynekaktenkeshdqflqhtilfkgfftdhswyndllv dfdskdivdkykgkkvdlygayygyqcanktacmyggvtlhdnnrlteekkvpinlwldg kqntvpletvktnkknvtvqeldlqarrylqekynlynsdvfdgkvqrglivfhtsteps vnydlfgaqgqysntllriyrdnktinsenmhidiylyts