# OC Root 2nd 3rd 4th PC Gene/Definition OC.308232 Archaea.13901 Euryarchaeota.10863 Methanoregula.933 mbn.2341 mbn:Mboo_2460 molybdenum cofactor synthesis domain; K03638 molybdopterin adenylyltransferase [EC:2.7.7.75] OC.308232 Archaea.13901 Euryarchaeota.10863 Methanoregula.933 mfo.279 mfo:Metfor_0180 molybdenum cofactor synthesis domain protein; K03638 molybdopterin adenylyltransferase [EC:2.7.7.75]