# OC Root 2nd 3rd 4th PC Gene/Definition OC.34162 Archaea.12228 Crenarchaeota.7986 Staphylothermus.1058 smr.127 smr:Smar_0126 amidohydrolase; K01466 allantoinase [EC:3.5.2.5] OC.34162 Archaea.12228 Crenarchaeota.7986 Staphylothermus.1058 shc.661 shc:Shell_0692 amidohydrolase; K01464 dihydropyrimidinase [EC:3.5.2.2]