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