# OC Root 2nd 3rd 4th PC Gene/Definition OC.645956 Archaea.17148 Euryarchaeota.16643 Halanaeroarchaeum.334 hsu.17 hsu:HLASF_0010 purO; IMP cyclohydrolase; K11176 IMP cyclohydrolase [EC:3.5.4.10] OC.645956 Archaea.17148 Euryarchaeota.16643 Halanaeroarchaeum.334 hsf.13 hsf:HLASA_0010 purO; IMP cyclohydrolase; K11176 IMP cyclohydrolase [EC:3.5.4.10]