# OC Root 2nd 3rd 4th PC Gene/Definition OC.77895 Bacteria.300190 Proteobacteria.145994 Alphaproteobacteria.69891 lmd.3979 lmd:METH_21050 tdh; L-threonine 3-dehydrogenase; K00060 threonine 3-dehydrogenase [EC:1.1.1.103]