>1i57A (A:) observed residues (from ATOM records) emekefeqidksgswaaiyqdirheasdfpcrvaklpknknrnryrdvspfdhsriklhq edndyinaslikmeeaqrsyiltqgplpntcghfwemvweqksrgvvmlnrvmekgslkc aqywpqkeekemifedtnlkltlisediksyytvrqlelenlttqetreilhfhyttwpd fgvpespasflnflfkvresgslspehgpvvvhssagigrsgtfcladtclllmdkrkdp ssvdikkvllemrkfrmgliqtadqlrfsylaviegakfimgds