# OC Root 2nd 3rd 4th PC Gene/Definition OC.338116 Archaea.10933 Crenarchaeota.5165 Staphylothermus.496 smr.876 smr:Smar_0891 beta-lactamase domain protein OC.338116 Archaea.10933 Crenarchaeota.5165 Staphylothermus.496 shc.1507 shc:Shell_1576 beta-lactamase domain protein