MetaCyc Pathway: UMP biosynthesis II in Methanococcus maripaludis JJ

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Carbamoyl-phosphate synthase (glutamine-hydrolyzing):
L-glutamine + 2 ATP + hydrogen carbonate + H2O→carbamoyl phosphate + 2 ADP + L-glutamate + 2 H+ + phosphate (EC 6.3.5.5)
MMJJ_RS06195
MMJJ_RS09140
Aspartate carbamoyltransferase:
carbamoyl phosphate + L-aspartate→N-carbamoyl-L-aspartate + H+ + phosphate (EC 2.1.3.2)
MMJJ_RS05825
MMJJ_RS08645
Dihydroorotase (in reverse):
N-carbamoyl-L-aspartate + H+→(S)-dihydroorotate + H2O (EC 3.5.2.3)
MMJJ_RS09160
(S)-dihydroorotate + fumarate→orotate + succinate (EC 1.3.98.1)
MMJJ_RS00365
MMJJ_RS02945
Orotate phosphoribosyltransferase (in reverse):
orotate + 5-phospho-α-D-ribose 1-diphosphate→orotidine 5'-phosphate + diphosphate (EC 2.4.2.10)
MMJJ_RS05030
MMJJ_RS06690
Orotidine-5'-phosphate decarboxylase:
orotidine 5'-phosphate + H+→UMP + CO2 (EC 4.1.1.23)
MMJJ_RS01900

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Candidate genes for each reaction are identified from best hits to MetaCyc; by matching EC numbers (which are assigned by TIGRFam, SEED, or best hits to KEGG); or by matching SEED roles to KEGG reactions to MetaCyc reactions. See the "Protein" tab of each gene for more information