# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.460658 Bacteria.100817 Firmicutes.131211 Firmicutes___Clostridia.76421 - hor.445 hor:Hore_04500 nuclease (SNase domain protein); K01174 micrococcal nuclease [EC:3.1.31.1] OC.460658 Bacteria.100817 Firmicutes.131211 Firmicutes___Clostridia.76421 Halanaerobium.1636 has.619 has:Halsa_0699 nuclease (SNase domain-containing protein) OC.460658 Bacteria.100817 Firmicutes.131211 Firmicutes___Clostridia.76421 - aar.1200 aar:Acear_1274 nuclease (SNase domain protein); K01174 micrococcal nuclease [EC:3.1.31.1]