>1u7iB (B:) observed residues (from ATOM records) msarvrpflmfqgvqaeaamnfylslfddaeilqiqrygaegpgpegsvlkalfrlgdqs vhcidshvrhafdftpafsffvdcesnaqierlaealsdggkalmplgdygfsqrfawla drfgvswqlnlag