# OC Root 2nd 3rd 4th PC Gene/Definition OC.308231 Archaea.13899 Euryarchaeota.10858 Haloterrigena.3998 htu.521 htu:Htur_0423 molybdenum cofactor synthesis domain protein; K03638 molybdopterin adenylyltransferase [EC:2.7.7.75] OC.308231 Archaea.13899 Euryarchaeota.10858 Haloterrigena.3226 hda.2974 hda:BB347_15425 molybdenum cofactor biosynthesis protein MoaB; K03638 molybdopterin adenylyltransferase [EC:2.7.7.75]