PYRC_ENDTX
ID PYRC_ENDTX Reviewed; 422 AA.
AC B1GYY7;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 29-APR-2008, sequence version 1.
DT 03-AUG-2022, entry version 86.
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=TGRD_747;
OS Endomicrobium trichonymphae.
OC Bacteria; Elusimicrobia; Endomicrobia; Endomicrobiales; Endomicrobiaceae;
OC Endomicrobium.
OX NCBI_TaxID=1408204;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=18391199; DOI=10.1073/pnas.0801389105;
RA Hongoh Y., Sharma V.K., Prakash T., Noda S., Taylor T.D., Kudo T.,
RA Sakaki Y., Toyoda A., Hattori M., Ohkuma M.;
RT "Complete genome of the uncultured termite group 1 bacteria in a single
RT host protist cell.";
RL Proc. Natl. Acad. Sci. U.S.A. 105:5555-5560(2008).
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; AP009510; BAG14230.1; -; Genomic_DNA.
DR RefSeq; WP_015423751.1; NC_020419.1.
DR RefSeq; YP_001956691.1; NC_020419.1.
DR AlphaFoldDB; B1GYY7; -.
DR SMR; B1GYY7; -.
DR STRING; 471821.TGRD_747; -.
DR EnsemblBacteria; BAG14230; BAG14230; TGRD_747.
DR KEGG; rsd:TGRD_747; -.
DR PATRIC; fig|471821.5.peg.1285; -.
DR HOGENOM; CLU_015572_1_0_0; -.
DR OMA; QHAQEPR; -.
DR OrthoDB; 1319925at2; -.
DR UniPathway; UPA00070; UER00117.
DR Proteomes; UP000001691; 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; PS00483; DIHYDROOROTASE_2; 1.
PE 3: Inferred from homology;
KW Hydrolase; Metal-binding; Pyrimidine biosynthesis; Zinc.
FT CHAIN 1..422
FT /note="Dihydroorotase"
FT /id="PRO_1000100081"
FT ACT_SITE 302
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 57
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 59..61
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 59
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 91
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 149
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 149
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 176
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 229
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 275
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 302
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 306
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 320..321
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
SQ SEQUENCE 422 AA; 46205 MW; B184DAAEEB9ABCF3 CRC64;
MRLQIKDIKI IDPLQNRDLI GDIFVENGRI VSKFLGDADK VVDGRGKIAV PGLIDIHSHL
REPGEERKET IYTGTRSAAK GGITTVFCMP NTKPVIDNAP TVEFVLLKAQ KEGLVNVLPI
GCATKGSHGV EISEIGVLKK AGIVAVSDDG LPIANSQIMR RTLEYTKMFK LPVISHGEDK
ELSKNGVMNE GKNSMILGLR GIPKQAEEVI ISRDIMLAEL TEGYLHIAHV STAGSVELIR
QAKKKSIKVT AETCPHYFTL TDDIVKGYNT NTKMNPPLRR QEDVDAIKQG LADGTIDCIA
TDHAPHMEEE KNREFDLAPF GIIGFETILS LILNELVDSG VLSLSKALSK MTSNPAKIFN
LEGRGTLKEG NIADITIIDM KYSYEFKKEN IVSKSKNSPF IGRKFKGGAV MTIVGGNIVW
QV
