# OC Root 2nd 3rd 4th PC Gene/Definition OC.306421 Archaea.27007 Euryarchaeota.30208 Methanococcoides.739 mbu.1885 mbu:Mbur_2111 proC; Pyrroline-5-carboxylate reductase; K00286 pyrroline-5-carboxylate reductase [EC:1.5.1.2] OC.306421 Archaea.27007 Euryarchaeota.30208 Methanococcoides.739 mmet.336 mmet:MCMEM_0308 Pyrroline-5-carboxylate reductase; K00286 pyrroline-5-carboxylate reductase [EC:1.5.1.2]