# OC Root 2nd 3rd 4th PC Gene/Definition OC.306409 Eukaryotes.797349 Protists.151384 Choanoflagellates.11578 sre.5171 sre:PTSG_06218 delta-1-pyrroline-5-carboxylate reductase; K00286 pyrroline-5-carboxylate reductase [EC:1.5.1.2]