PYRD_SYNP6
ID PYRD_SYNP6 Reviewed; 378 AA.
AC Q5N2Q8;
DT 30-AUG-2005, integrated into UniProtKB/Swiss-Prot.
DT 01-FEB-2005, sequence version 1.
DT 03-AUG-2022, entry version 97.
DE RecName: Full=Dihydroorotate dehydrogenase (quinone) {ECO:0000255|HAMAP-Rule:MF_00225};
DE EC=1.3.5.2 {ECO:0000255|HAMAP-Rule:MF_00225};
DE AltName: Full=DHOdehase {ECO:0000255|HAMAP-Rule:MF_00225};
DE Short=DHOD {ECO:0000255|HAMAP-Rule:MF_00225};
DE Short=DHODase {ECO:0000255|HAMAP-Rule:MF_00225};
DE AltName: Full=Dihydroorotate oxidase {ECO:0000255|HAMAP-Rule:MF_00225};
GN Name=pyrD {ECO:0000255|HAMAP-Rule:MF_00225}; OrderedLocusNames=syc1222_c;
OS Synechococcus sp. (strain ATCC 27144 / PCC 6301 / SAUG 1402/1) (Anacystis
OS nidulans).
OC Bacteria; Cyanobacteria; Synechococcales; Synechococcaceae; Synechococcus.
OX NCBI_TaxID=269084;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 27144 / PCC 6301 / SAUG 1402/1;
RX PubMed=17211581; DOI=10.1007/s11120-006-9122-4;
RA Sugita C., Ogata K., Shikata M., Jikuya H., Takano J., Furumichi M.,
RA Kanehisa M., Omata T., Sugiura M., Sugita M.;
RT "Complete nucleotide sequence of the freshwater unicellular cyanobacterium
RT Synechococcus elongatus PCC 6301 chromosome: gene content and
RT organization.";
RL Photosyn. Res. 93:55-67(2007).
CC -!- FUNCTION: Catalyzes the conversion of dihydroorotate to orotate with
CC quinone as electron acceptor. {ECO:0000255|HAMAP-Rule:MF_00225}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(S)-dihydroorotate + a quinone = a quinol + orotate;
CC Xref=Rhea:RHEA:30187, ChEBI:CHEBI:24646, ChEBI:CHEBI:30839,
CC ChEBI:CHEBI:30864, ChEBI:CHEBI:132124; EC=1.3.5.2;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00225};
CC -!- COFACTOR:
CC Name=FMN; Xref=ChEBI:CHEBI:58210;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00225};
CC Note=Binds 1 FMN per subunit. {ECO:0000255|HAMAP-Rule:MF_00225};
CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC orotate from (S)-dihydroorotate (quinone route): step 1/1.
CC {ECO:0000255|HAMAP-Rule:MF_00225}.
CC -!- SUBUNIT: Monomer. {ECO:0000255|HAMAP-Rule:MF_00225}.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000255|HAMAP-Rule:MF_00225};
CC Peripheral membrane protein {ECO:0000255|HAMAP-Rule:MF_00225}.
CC -!- SIMILARITY: Belongs to the dihydroorotate dehydrogenase family. Type 2
CC subfamily. {ECO:0000255|HAMAP-Rule:MF_00225}.
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DR EMBL; AP008231; BAD79412.1; -; Genomic_DNA.
DR RefSeq; WP_011243534.1; NC_006576.1.
DR AlphaFoldDB; Q5N2Q8; -.
DR SMR; Q5N2Q8; -.
DR STRING; 269084.syc1222_c; -.
DR EnsemblBacteria; BAD79412; BAD79412; syc1222_c.
DR KEGG; syc:syc1222_c; -.
DR eggNOG; COG0167; Bacteria.
DR OMA; ERIKMGA; -.
DR UniPathway; UPA00070; UER00946.
DR Proteomes; UP000001175; Chromosome.
DR GO; GO:0005737; C:cytoplasm; IEA:InterPro.
DR GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR GO; GO:0004152; F:dihydroorotate dehydrogenase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0006207; P:'de novo' pyrimidine nucleobase biosynthetic process; IEA:InterPro.
DR GO; GO:0044205; P:'de novo' UMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR CDD; cd04738; DHOD_2_like; 1.
DR Gene3D; 3.20.20.70; -; 1.
DR HAMAP; MF_00225; DHO_dh_type2; 1.
DR InterPro; IPR013785; Aldolase_TIM.
DR InterPro; IPR005720; Dihydroorotate_DH.
DR InterPro; IPR005719; Dihydroorotate_DH_2.
DR InterPro; IPR001295; Dihydroorotate_DH_CS.
DR Pfam; PF01180; DHO_dh; 1.
DR TIGRFAMs; TIGR01036; pyrD_sub2; 1.
DR PROSITE; PS00911; DHODEHASE_1; 1.
DR PROSITE; PS00912; DHODEHASE_2; 1.
PE 3: Inferred from homology;
KW Cell membrane; Flavoprotein; FMN; Membrane; Oxidoreductase;
KW Pyrimidine biosynthesis.
FT CHAIN 1..378
FT /note="Dihydroorotate dehydrogenase (quinone)"
FT /id="PRO_0000148479"
FT ACT_SITE 194
FT /note="Nucleophile"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 77..81
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 81
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 101
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 126..130
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 158
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 191
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 191
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 196
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 229
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 257
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 258..259
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 287
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 316
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
FT BINDING 337..338
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00225"
SQ SEQUENCE 378 AA; 40586 MW; 0C047ACFBC0264F3 CRC64;
MDFYRPLLRP LLLSQLNVDP EWLTRNALGF LATLARSRSP LAANLRSYLR QTYGFQDPRL
AMSLWGLTFA TPVGLAAGFD KDGIAAPLWS DLGFGFAELG TVTALAQPGN PRPRLFRIPQ
DLAAFNRMGF NNASAEALAD TLRGYFPEGQ RSIPIGINLG KSKLTPLSGA VSDYVSSFRS
LRSLGDYFVV NVSSPNTPGL RSLQAVTELE PILAALQAEN TEQRPLLLKI APDLVDEEVV
AIAHLAQRQQ LAGIIATNTT IDKSLLSVEH LPGRREPLAT EAGGISGAPL RSRSTEVIRL
LHRTTQGQLP IIGVGGIFSA EDAWQKIVAG ASLVQVYTGW VYEGPLLVKT IQQGLLERLD
SAGLPNLAAA VGSAAIDS
