>3r6sD (D:) observed residues (from ATOM records)
gvqeilsragifqgvdptavnnliqdmetvrfprgatifdegepgdrlyiitsgkvklar
hapdgrenlltimgpsdmfgelsifdpgprtssavcvtevhaatmnsdmlrnwvadhpai
aeqllrvlarrlrrtnasladliftdvpgrvaktllqlanrfgtqeagalrvnhdltqee
iaqlvgasretvnkalatfahrgwirlegksvlivdtehlarra