# OC Root 2nd 3rd 4th PC Gene/Definition OC.256262 Archaea.92271 Thaumarchaeota.5390 Nitrososphaera.2815 nev.539 nev:NTE_00490 Baseplate J-like protein OC.256262 Archaea.92272 Thaumarchaeota.5391 Nitrososphaera.2816 nev.540 nev:NTE_00491 conserved hypothetical protein, phage tail-like region