>2xzm4 (4:) observed residues (from ATOM records) kkgakkrtidplsrkewydfrapipfssksfgktlvtkssgnriaseeikgrvvestlad lkdnsndkawrkvklvidevdgrnaktsfyglditrdrlcsmirkwqtliearvdcktnd gyiirvftlaftkktsagkqsststcyakssqvrairrkintfitneaaklgiaefsknl igedytkkieketknifplqnitirkvkvlkrpkl