>1v57A (A:) observed residues (from ATOM records) elpapvkaiekqgitiiktfdapggmkgylgkyqdmgvtiyltpdgkhaisgymynekge nlsntliekeiyapagremwqrmeqshwlldgkkdapvivyvfadpfcpyckqfwqqarp wvdsgkvqlrtllvgvikpespataaailaskdpaktwqqyeasggklklnvpanvsteq mkvlsdneklmddlganvtpaiyymskentlqqavglpdqktlniimgn