# OC Root 2nd 3rd 4th 5th PC Gene/Definition OC.636001 Bacteria.273124 Proteobacteria.627782 Epsilonproteobacteria.13156 Campylobacter.6420 caj.1006 caj:CIG1485E_1054 nadA; quinolinate synthase; K03517 quinolinate synthase [EC:2.5.1.72] OC.636001 Bacteria.273124 Proteobacteria.627782 Epsilonproteobacteria.13156 Campylobacter.6420 chyo.707 chyo:CHH_0756 nadA; quinolinate synthase; K03517 quinolinate synthase [EC:2.5.1.72]