>2xdaA (A:) observed residues (from ATOM records) mkilviqgpnlnmlghrdprlygmvtldqiheimqtfvkqgnldveleffqtnfegeiid kiqesvgsdyegiiinpgafshtsiaiadaimlagkpvievhltniqareefrknsytga acggvimgfgplgynmalmamvnilaemka