ID 1.3.1.14 DE dihydroorotate dehydrogenase (NAD(+)). AN DHOD. AN DHODase. AN DHOdehase. AN dihydroorotate oxidase. AN orotate reductase (NADH). AN orotate reductase (NADH2). CA (S)-dihydroorotate + NAD(+) = H(+) + NADH + orotate. CC -!- The enzyme consists of two subunits, an FMN binding catalytic subunit CC and a FAD and iron-sulfur binding electron transfer subunit. CC -!- The reaction, which takes place in the cytosol, is the only redox CC reaction in the de-novo biosynthesis of pyrimidine nucleotides. CC -!- Other class 1 dihydroorotate dehydrogenases use either fumarate CC (EC 1.3.98.1) or NADP(+) (EC 1.3.1.15) as electron acceptor. CC -!- The membrane bound class 2 dihydroorotate dehydrogenase (EC 1.3.5.2) CC uses quinone as electron acceptor. DR A6TVS0, PYRDB_ALKMQ; A8MIU4, PYRDB_ALKOO; B7GFA1, PYRDB_ANOFW; DR O29513, PYRDB_ARCFU; B6YRL9, PYRDB_AZOPC; C3P654, PYRDB_BACAA; DR C3L742, PYRDB_BACAC; A0RHQ6, PYRDB_BACAH; Q81WF4, PYRDB_BACAN; DR B7JJX1, PYRDB_BACC0; Q732I5, PYRDB_BACC1; B7IUP4, PYRDB_BACC2; DR C1EPP8, PYRDB_BACC3; B7H6M0, PYRDB_BACC4; B7HLL8, PYRDB_BACC7; DR P46539, PYRDB_BACCL; A7GRK9, PYRDB_BACCN; B9IVW1, PYRDB_BACCQ; DR Q819S5, PYRDB_BACCR; Q636E2, PYRDB_BACCZ; Q5LCI2, PYRDB_BACFN; DR Q64TN0, PYRDB_BACFR; Q6HET0, PYRDB_BACHK; A9VTC4, PYRDB_BACMK; DR A8FD19, PYRDB_BACP2; P25996, PYRDB_BACSU; Q8A9C3, PYRDB_BACTN; DR A7Z4H4, PYRDB_BACVZ; C0QYH6, PYRDB_BRAHW; B9MS26, PYRDB_CALBD; DR Q8R9R7, PYRDB_CALS4; A4XKT6, PYRDB_CALS8; Q3AC05, PYRDB_CARHZ; DR B5EFU4, PYRDB_CITBB; Q18CS6, PYRDB_CLOD6; Q6A912, PYRDB_CUTAK; DR B1I4M6, PYRDB_DESAP; A4J560, PYRDB_DESRM; B1GYY3, PYRDB_ENDTX; DR P0DH74, PYRDB_ENTFA; F2MMN9, PYRDB_ENTFO; B1YIR7, PYRDB_EXIS2; DR Q8RG85, PYRDB_FUSNN; B9M211, PYRDB_GEODF; Q5L0U1, PYRDB_GEOKA; DR Q39UK4, PYRDB_GEOMG; Q74CB9, PYRDB_GEOSL; C6E6N2, PYRDB_GEOSM; DR C5D8Q2, PYRDB_GEOSW; A4IM35, PYRDB_GEOTN; A5G3H0, PYRDB_GEOUR; DR Q9K9W1, PYRDB_HALH5; B0TGQ8, PYRDB_HELMI; Q9CFW8, PYRDB_LACLA; DR P54322, PYRDB_LACLM; A9KKR5, PYRDB_LACP7; Q38X22, PYRDB_LATSS; DR Q92AH5, PYRDB_LISIN; C1KWD2, PYRDB_LISMC; Q71YI3, PYRDB_LISMF; DR B8DDR9, PYRDB_LISMH; Q8Y667, PYRDB_LISMO; A0AJT8, PYRDB_LISW6; DR Q8EUY2, PYRDB_MALP2; C6BW12, PYRDB_MARSD; Q8TT55, PYRDB_METAC; DR Q0W8E1, PYRDB_METAR; Q58070, PYRDB_METJA; Q8TXU6, PYRDB_METKA; DR Q8PW56, PYRDB_METMA; O27281, PYRDB_METTH; B2A2U4, PYRDB_NATTJ; DR Q8CWG1, PYRDB_OCEIH; A6LB11, PYRDB_PARD8; A1ASB3, PYRDB_PELPD; DR A9BJH4, PYRDB_PETMO; A6L5H1, PYRDB_PHOV8; Q7MVJ6, PYRDB_PORGI; DR Q9V0Y6, PYRDB_PYRAB; Q8U0P6, PYRDB_PYRFU; O59185, PYRDB_PYRHO; DR Q9UX04, PYRDB_SACS2; Q5WFJ4, PYRDB_SHOC1; C4XPD6, PYRDB_SOLM1; DR B9DPN4, PYRDB_STACT; Q97R65, PYRDB_STRPN; Q8DQ37, PYRDB_STRR6; DR O08358, PYRDB_SULAC; Q0AXG6, PYRDB_SYNWW; Q9HL35, PYRDB_THEAC; DR Q5JHR7, PYRDB_THEKO; Q9WYG8, PYRDB_THEMA; A5IK84, PYRDB_THEP1; DR B0KA32, PYRDB_THEP3; B0K2E5, PYRDB_THEPX; Q979G6, PYRDB_THEVO; DR B5YJH1, PYRDB_THEYD; B3E4T4, PYRDB_TRIL1; //