>2xsxA (A:) observed residues (from ATOM records) mamqkifareildsrgnptvevdlhtakgrfraavpsgastgiyealelrdgdkgrylgk gvlkaveninstlgpallqkklsvadqekvdkfmieldgtenkskfganailgvslavck agaaekgvplyrhiadlagnpdlilpvpafnvinggshagnklamqefmilpvgassfke amrigaevyhhlkgvikakygkdatnvgdeggfapnilennealellktaiqaagypdkv vigmdvaasefyrngkydldfkspddparhitgeklgelyksfiknypvvsiedpfdqdd watwtsflsgvniqivgddltvtnpkriaqavekkacnclllkvnqigsvtesiqackla qsngwgvmvshrsgetedtfiadlvvglctgqiktgapcrserlakynqlmrieealgdk aifagrkfrnpkak