De novo pyrimidine biosynthesis, glutamine (+ PRPP) => UMP
Brite
Enzymes [BR:pxh01000]
1. Oxidoreductases
1.3 Acting on the CH-CH group of donors
1.3.5 With a quinone or related compound as acceptor
1.3.5.2 dihydroorotate dehydrogenase (quinone)
ACE2AL_14015 (pyrD)