>1sxtA (A:) observed residues (from ATOM records) kdlrkkselqgtalgnlkqiyyynekaktenkeshdqflqhtilfkgfftdhswyndllv dfdskdivdkykgkkvdlygayygyqcaggtpnktacmyggvtlhdnnrlteekkvpinl wldgkqntvpletvktnkknvtvqeldlqarrylqekynlynsdvfdgkvqrglivfhts tepsvnydlfgaqgqysntllriyrdnktinsenmhidiylyts