# OC Root 2nd 3rd 4th 5th 6th PC Gene/Definition OC.637734 Bacteria.424326 Proteobacteria.157509 Gammaproteobacteria.245893 Francisella.3397 Francisella_cf_.3231 fcn.1562 fcn:FN3523_1565 Muramoyl-tetrapeptide carboxypeptidase (MccF/LdcA family)