PYRC_SULSY
ID PYRC_SULSY Reviewed; 423 AA.
AC B2V5I6;
DT 24-MAR-2009, integrated into UniProtKB/Swiss-Prot.
DT 01-JUL-2008, sequence version 1.
DT 03-AUG-2022, entry version 83.
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};
GN OrderedLocusNames=SYO3AOP1_1320;
OS Sulfurihydrogenibium sp. (strain YO3AOP1).
OC Bacteria; Aquificae; Aquificales; Hydrogenothermaceae;
OC Sulfurihydrogenibium; unclassified Sulfurihydrogenibium.
OX NCBI_TaxID=436114;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=YO3AOP1;
RX PubMed=19136599; DOI=10.1128/jb.01645-08;
RA Reysenbach A.-L., Hamamura N., Podar M., Griffiths E., Ferreira S.,
RA Hochstein R., Heidelberg J., Johnson J., Mead D., Pohorille A.,
RA Sarmiento M., Schweighofer K., Seshadri R., Voytek M.A.;
RT "Complete and draft genome sequences of six members of the Aquificales.";
RL J. Bacteriol. 191:1992-1993(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; CP001080; ACD66930.1; -; Genomic_DNA.
DR RefSeq; WP_012459989.1; NC_010730.1.
DR AlphaFoldDB; B2V5I6; -.
DR SMR; B2V5I6; -.
DR STRING; 436114.SYO3AOP1_1320; -.
DR EnsemblBacteria; ACD66930; ACD66930; SYO3AOP1_1320.
DR KEGG; sul:SYO3AOP1_1320; -.
DR eggNOG; COG0044; Bacteria.
DR HOGENOM; CLU_015572_1_0_0; -.
DR OMA; QHAQEPR; -.
DR OrthoDB; 1319925at2; -.
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 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; Zinc.
FT CHAIN 1..423
FT /note="Dihydroorotase"
FT /id="PRO_1000100078"
FT ACT_SITE 305
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 60
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 62..64
FT /ligand="substrate"
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 94
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 152
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 152
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 179
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 232
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 305
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 309
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 323..324
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
SQ SEQUENCE 423 AA; 46638 MW; AFE11CD09DCB4DD9 CRC64;
MILIKNGHIV DPQNNLNDKF DILIEKGEIK KIEKNIQPFA GCEVIDAEGK IITPSFTDIH
VHFRDPGQTY KEDIESGSKA AVAGGYTTVV CMPNTIPAID DVPIVRYIIE KGEEIGLCRV
LPSAAITKGR KGKELTEMAL LKDAGAVYFT DDGAPVMDSF IMRKAMEYAG SLGTFVADHC
EDLNLSQNGV AHEGEIAAAL GLPPLPPEAE DTMVARDCIL SIQTGMPVHI CHISTKLSVE
IVAWAKAMGA KVTAEVTPHH LYLTDEEFLD FSCIAKVSPP LRTHEDIEAT RWALASGIID
FVATDHAPHA HYEKMQELQA CPPGMLGLQF ALPIVLELVK KDYFDLNRMV EVMSIQPAKK
IGLKPPQIKE GEIAELTIFD PFETWEVNKE TILSKSKNTP LLGRKLTGKV KYTFFKGKIV
YRD
