# OC Root 2nd 3rd 4th PC Gene/Definition OC.382981 Bacteria.276780 Firmicutes.136128 Megasphaera.1570 med.890 med:MELS_0903 phosphoserine aminotransferase; K00831 phosphoserine aminotransferase [EC:2.6.1.52] OC.382981 Bacteria.276780 Firmicutes.136128 Megasphaera.1570 mhw.359 mhw:ACT01_01580 3-phosphoserine/phosphohydroxythreonine aminotransferase; K00831 phosphoserine aminotransferase [EC:2.6.1.52] OC.382981 Bacteria.276780 Firmicutes.136128 Megasphaera.1570 meg.1604 meg:DKB62_08685 3-phosphoserine/phosphohydroxythreonine transaminase; K00831 phosphoserine aminotransferase [EC:2.6.1.52]