>4apz4 (4:) observed residues (from ATOM records) mqikikyldetqtriskieqgdwidlraaedvtikkdefklvplgvamelpegyeahvvp rsstyknfgviqtnsmgvidesykgdndfwffpayalrdteikkgdricqfrimkkmpav elvevehlgnedrgglgstgtk