PYRC_DESAH
ID PYRC_DESAH Reviewed; 426 AA.
AC C0QJ54;
DT 22-SEP-2009, integrated into UniProtKB/Swiss-Prot.
DT 05-MAY-2009, sequence version 1.
DT 03-AUG-2022, entry version 71.
DE RecName: Full=Dihydroorotase {ECO:0000255|HAMAP-Rule:MF_00220};
DE Short=DHOase {ECO:0000255|HAMAP-Rule:MF_00220};
DE EC=3.5.2.3 {ECO:0000255|HAMAP-Rule:MF_00220};
GN Name=pyrC {ECO:0000255|HAMAP-Rule:MF_00220}; OrderedLocusNames=HRM2_27770;
OS Desulforapulum autotrophicum (strain ATCC 43914 / DSM 3382 / VKM B-1955 /
OS HRM2) (Desulfobacterium autotrophicum).
OC Bacteria; Proteobacteria; Deltaproteobacteria; Desulfobacterales;
OC Desulfobacteraceae; Desulforapulum.
OX NCBI_TaxID=177437;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 43914 / DSM 3382 / VKM B-1955 / HRM2;
RX PubMed=19187283; DOI=10.1111/j.1462-2920.2008.01825.x;
RA Strittmatter A.W., Liesegang H., Rabus R., Decker I., Amann J., Andres S.,
RA Henne A., Fricke W.F., Martinez-Arias R., Bartels D., Goesmann A.,
RA Krause L., Puehler A., Klenk H.P., Richter M., Schuler M., Gloeckner F.O.,
RA Meyerdierks A., Gottschalk G., Amann R.;
RT "Genome sequence of Desulfobacterium autotrophicum HRM2, a marine sulfate
RT reducer oxidizing organic carbon completely to carbon dioxide.";
RL Environ. Microbiol. 11:1038-1055(2009).
CC -!- FUNCTION: Catalyzes the reversible cyclization of carbamoyl aspartate
CC to dihydroorotate. {ECO:0000255|HAMAP-Rule:MF_00220}.
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_00220};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_00220};
CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000255|HAMAP-
CC Rule:MF_00220};
CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC (S)-dihydroorotate from bicarbonate: step 3/3. {ECO:0000255|HAMAP-
CC Rule:MF_00220}.
CC -!- SIMILARITY: Belongs to the metallo-dependent hydrolases superfamily.
CC DHOase family. Class I DHOase subfamily. {ECO:0000255|HAMAP-
CC Rule:MF_00220}.
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DR EMBL; CP001087; ACN15867.1; -; Genomic_DNA.
DR RefSeq; WP_015904630.1; NC_012108.1.
DR AlphaFoldDB; C0QJ54; -.
DR SMR; C0QJ54; -.
DR STRING; 177437.HRM2_27770; -.
DR EnsemblBacteria; ACN15867; ACN15867; HRM2_27770.
DR KEGG; dat:HRM2_27770; -.
DR eggNOG; COG0044; Bacteria.
DR HOGENOM; CLU_015572_1_0_7; -.
DR OMA; QHAQEPR; -.
DR OrthoDB; 1319925at2; -.
DR UniPathway; UPA00070; UER00117.
DR Proteomes; UP000000442; 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 CDD; cd01317; DHOase_IIa; 1.
DR Gene3D; 2.30.40.10; -; 1.
DR HAMAP; MF_00220_B; PyrC_classI_B; 1.
DR InterPro; IPR006680; Amidohydro-rel.
DR InterPro; IPR004722; DHOase.
DR InterPro; IPR002195; Dihydroorotase_CS.
DR InterPro; IPR011059; Metal-dep_hydrolase_composite.
DR InterPro; IPR032466; Metal_Hydrolase.
DR Pfam; PF01979; Amidohydro_1; 1.
DR SUPFAM; SSF51338; SSF51338; 1.
DR SUPFAM; SSF51556; SSF51556; 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..426
FT /note="Dihydroorotase"
FT /id="PRO_1000204251"
FT ACT_SITE 307
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 62
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 64..66
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 64
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 96
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 154
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 154
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 181
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 234
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 280
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 307
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 311
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 325..326
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
SQ SEQUENCE 426 AA; 46102 MW; B99BDE80901B40B9 CRC64;
MLIRFKGAHI VDPGNINEQK DLLVKDGLVH ALLDPGAADP EPGIDTVDVT GMLLVPGLID
LHVHLREPGH EYKETIQTGL MAAAKGGFTA VCPMPNTSPV NDNAQVTRFI LDRAKAAGLS
RVYPVGAITL GLKGETLAEY GEMKQAGMVA ITDDGRPVEN ARVMRRAMEY ATGLGLPVMS
HSEDLSLARD GAMNEGSFAT RIGIKGIPNA AESIMVMREI AIAELTHARV HIAHVSCEES
VDAIRHGKQR GVQVTCETAP HYFTLTDKAV GDYDTHAKMN PPLRSEADRL AVIKGLQDGT
IDCIATDHAP HSPLEKAVEF DQAAFGIIGL ETSLVLSLKL VQDELLSMET LVEKMSRNPA
RFLGLDNRLI PGNPADITVI DPDRVHVIDP ETFVSKSRNT PFAGIEVKGE VLLTMVEGRI
IYQREI
