PYRC_AROAE
ID PYRC_AROAE Reviewed; 344 AA.
AC Q5P6Y5;
DT 18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT 04-JAN-2005, sequence version 1.
DT 03-AUG-2022, entry version 95.
DE RecName: Full=Dihydroorotase {ECO:0000255|HAMAP-Rule:MF_00219};
DE Short=DHOase {ECO:0000255|HAMAP-Rule:MF_00219};
DE EC=3.5.2.3 {ECO:0000255|HAMAP-Rule:MF_00219};
GN Name=pyrC {ECO:0000255|HAMAP-Rule:MF_00219}; OrderedLocusNames=AZOSEA08010;
GN ORFNames=ebA1456;
OS Aromatoleum aromaticum (strain EbN1) (Azoarcus sp. (strain EbN1)).
OC Bacteria; Proteobacteria; Betaproteobacteria; Rhodocyclales;
OC Rhodocyclaceae; Aromatoleum.
OX NCBI_TaxID=76114;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=EbN1;
RX PubMed=15551059; DOI=10.1007/s00203-004-0742-9;
RA Rabus R., Kube M., Heider J., Beck A., Heitmann K., Widdel F.,
RA Reinhardt R.;
RT "The genome sequence of an anaerobic aromatic-degrading denitrifying
RT bacterium, strain EbN1.";
RL Arch. Microbiol. 183:27-36(2005).
CC -!- FUNCTION: Catalyzes the reversible cyclization of carbamoyl aspartate
CC to dihydroorotate. {ECO:0000255|HAMAP-Rule:MF_00219}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(S)-dihydroorotate + H2O = H(+) + N-carbamoyl-L-aspartate;
CC Xref=Rhea:RHEA:24296, ChEBI:CHEBI:15377, ChEBI:CHEBI:15378,
CC ChEBI:CHEBI:30864, ChEBI:CHEBI:32814; EC=3.5.2.3;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00219};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00219};
CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000255|HAMAP-
CC Rule:MF_00219};
CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC (S)-dihydroorotate from bicarbonate: step 3/3. {ECO:0000255|HAMAP-
CC Rule:MF_00219}.
CC -!- SUBUNIT: Homodimer. {ECO:0000255|HAMAP-Rule:MF_00219}.
CC -!- SIMILARITY: Belongs to the metallo-dependent hydrolases superfamily.
CC DHOase family. Class II DHOase subfamily. {ECO:0000255|HAMAP-
CC Rule:MF_00219}.
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DR EMBL; CR555306; CAI06926.1; -; Genomic_DNA.
DR RefSeq; WP_011236652.1; NC_006513.1.
DR AlphaFoldDB; Q5P6Y5; -.
DR SMR; Q5P6Y5; -.
DR STRING; 76114.ebA1456; -.
DR MEROPS; M38.A02; -.
DR EnsemblBacteria; CAI06926; CAI06926; ebA1456.
DR KEGG; eba:ebA1456; -.
DR eggNOG; COG0418; Bacteria.
DR HOGENOM; CLU_041558_1_0_4; -.
DR OMA; TLHHISM; -.
DR OrthoDB; 1319925at2; -.
DR UniPathway; UPA00070; UER00117.
DR Proteomes; UP000006552; Chromosome.
DR GO; GO:0004151; F:dihydroorotase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0008270; F:zinc ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0044205; P:'de novo' UMP biosynthetic process; IEA:UniProtKB-UniPathway.
DR GO; GO:0019856; P:pyrimidine nucleobase biosynthetic process; IEA:InterPro.
DR CDD; cd01294; DHOase; 1.
DR HAMAP; MF_00219; PyrC_classII; 1.
DR InterPro; IPR006680; Amidohydro-rel.
DR InterPro; IPR004721; DHOdimr.
DR InterPro; IPR002195; Dihydroorotase_CS.
DR InterPro; IPR032466; Metal_Hydrolase.
DR PANTHER; PTHR43137; PTHR43137; 1.
DR Pfam; PF01979; Amidohydro_1; 1.
DR PIRSF; PIRSF001237; DHOdimr; 1.
DR SUPFAM; SSF51556; SSF51556; 1.
DR TIGRFAMs; TIGR00856; pyrC_dimer; 1.
DR PROSITE; PS00482; DIHYDROOROTASE_1; 1.
DR PROSITE; PS00483; DIHYDROOROTASE_2; 1.
PE 3: Inferred from homology;
KW Hydrolase; Metal-binding; Pyrimidine biosynthesis; Reference proteome;
KW Zinc.
FT CHAIN 1..344
FT /note="Dihydroorotase"
FT /id="PRO_0000325570"
FT ACT_SITE 247
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 13
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 15..17
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 15
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 41
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 99
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /note="via carbamate group"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 99
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /note="via carbamate group"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 136
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 136
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 174
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 219
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 247
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 251
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 263
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT MOD_RES 99
FT /note="N6-carboxylysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
SQ SEQUENCE 344 AA; 37310 MW; 75E74BD36B3B7FC3 CRC64;
MQTISLIRPD DWHLHVRDGA ALATVVPHTA RRFGRALIMP NLRPPVTTAA QALEYRARIL
AAVPPGQHFE PLMSLYLTDN TSPDEIDRAK ASGAVVAVKL YPAGATTNSD AGVTAIEKVH
AVLERMEKLG MVLCVHGEVT HGDVDVFDRE QVFIEQVLAP LVARFPALRV VFEHITTAEA
ARFVQDAGPN VAATVTAHHL LLNRNAIFAG GIRPHHYCLP VLKRETHRRA LVEAATSGNA
KFFLGTDSAP HSRAAKETAC GCAGCYTAHA AIELYAEAFE QAGALDRLEA FASLNGPAFY
GLAPNAERIT LAKDAWEVPG EYEYLHDDPL VPLRAGETVA WRVL
