>1x8zB (B:) observed residues (from ATOM records) semsticdktlnpsfclkflntkfaspnlqalakttldstqaratqtlkklqsiidggvd prsklayrscvdeyesaignleeafehlasgdgmgmnmkvsaaldgadtclddvkrlrsv dssvvnnsktiknlcgialvisnmlpr