PYRC_CERS5
ID PYRC_CERS5 Reviewed; 346 AA.
AC A4WPB7;
DT 15-JAN-2008, integrated into UniProtKB/Swiss-Prot.
DT 29-MAY-2007, sequence version 1.
DT 03-AUG-2022, entry version 84.
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};
GN OrderedLocusNames=Rsph17025_0325;
OS Cereibacter sphaeroides (strain ATCC 17025 / ATH 2.4.3) (Rhodobacter
OS sphaeroides).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rhodobacterales;
OC Rhodobacteraceae; Cereibacter.
OX NCBI_TaxID=349102;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 17025 / ATH 2.4.3;
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Chertkov O., Brettin T., Bruce D., Han C., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Kim E., Richardson P., Mackenzie C., Choudhary M.,
RA Donohue T.J., Kaplan S.;
RT "Complete sequence of chromosome of Rhodobacter sphaeroides ATCC 17025.";
RL Submitted (APR-2007) to the EMBL/GenBank/DDBJ databases.
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}.
CC ---------------------------------------------------------------------------
CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms
CC Distributed under the Creative Commons Attribution (CC BY 4.0) License
CC ---------------------------------------------------------------------------
DR EMBL; CP000661; ABP69231.1; -; Genomic_DNA.
DR AlphaFoldDB; A4WPB7; -.
DR SMR; A4WPB7; -.
DR STRING; 349102.Rsph17025_0325; -.
DR MEROPS; M38.A02; -.
DR EnsemblBacteria; ABP69231; ABP69231; Rsph17025_0325.
DR KEGG; rsq:Rsph17025_0325; -.
DR eggNOG; COG0418; Bacteria.
DR HOGENOM; CLU_041558_1_0_5; -.
DR OMA; TLHHISM; -.
DR OrthoDB; 1319925at2; -.
DR BioCyc; RSPH349102:G1G8M-332-MON; -.
DR UniPathway; UPA00070; UER00117.
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; Zinc.
FT CHAIN 1..346
FT /note="Dihydroorotase"
FT /id="PRO_1000024046"
FT ACT_SITE 248
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 14
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 16..18
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 16
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 42
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 100
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 100
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 137
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 137
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 175
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 220
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 248
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 252
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT BINDING 264
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
FT MOD_RES 100
FT /note="N6-carboxylysine"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00219"
SQ SEQUENCE 346 AA; 37417 MW; 7CA7524B208B2AB0 CRC64;
MTQSLTIRRP DDWHLHLRDG AMLEGVLPET TRHFARAIVM PNLVPPVVTG AEAAAYRERI
MAALPAGARF EPLMVLYLTE TTDPADVRAA AASGLVKAVK LYPAGATTNS ASGVRDFDRV
RGVLETMAEI GLPLCVHGEV TDPAVDIFDR EAVFLERVLE PIRRATPGLR VVLEHVTTRD
GLDYVRGGGP DMAGTLTTHH LIINRNHILA GGIRPHYYCL PVAKRETHRL ALREAATGGE
GCFFLGTDSA PHADAAKESA CGCAGCFTAT NTLSILAHVF EEEGALDRLE GFVALNGPAF
YRLPPNEERI TLRKGEPLVL PARIETGAGP VTLFDPGFPL LWHVES
