# OC Root 2nd 3rd 4th PC Gene/Definition OC.153991 Bacteria.40515 Firmicutes.53578 Firmicutes___Clostridia.156189 cthd.2169 cthd:CDO33_11770 glycoside hydrolase family 3; K01207 beta-N-acetylhexosaminidase [EC:3.2.1.52]