ID A0A1Q8TEY9_9GAMM Unreviewed; 351 AA.
AC A0A1Q8TEY9;
DT 12-APR-2017, integrated into UniProtKB/TrEMBL.
DT 12-APR-2017, sequence version 1.
DT 24-JAN-2024, entry version 46.
DE RecName: Full=Dihydroorotase {ECO:0000256|ARBA:ARBA00012860, ECO:0000256|HAMAP-Rule:MF_00219};
DE Short=DHOase {ECO:0000256|HAMAP-Rule:MF_00219};
DE EC=3.5.2.3 {ECO:0000256|ARBA:ARBA00012860, ECO:0000256|HAMAP-Rule:MF_00219};
GN Name=pyrC {ECO:0000256|HAMAP-Rule:MF_00219};
GN ORFNames=BTW10_04835 {ECO:0000313|EMBL:OLO12234.1};
OS Chromohalobacter japonicus.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC Halomonadaceae; Chromohalobacter.
OX NCBI_TaxID=223900 {ECO:0000313|EMBL:OLO12234.1, ECO:0000313|Proteomes:UP000186806};
RN [1] {ECO:0000313|EMBL:OLO12234.1, ECO:0000313|Proteomes:UP000186806}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=SMB17 {ECO:0000313|EMBL:OLO12234.1,
RC ECO:0000313|Proteomes:UP000186806};
RA Mavrodi D.V., Olsson B.E., Korsakova E.S., Pyankova A., Mavrodi O.V.,
RA Plotnikova E.G.;
RT "Draft genome sequences of strains Salinicola socius SMB35, Salinicola sp.
RT MH3R3-1 and Chromohalobacter sp. SMB17 from the Verkhnekamsk potash mining
RT region of Russia.";
RL Submitted (DEC-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Catalyzes the reversible cyclization of carbamoyl aspartate
CC to dihydroorotate. {ECO:0000256|ARBA:ARBA00002368, ECO:0000256|HAMAP-
CC 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:0000256|HAMAP-Rule:MF_00219,
CC ECO:0000256|RuleBase:RU003440};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00219,
CC ECO:0000256|RuleBase:RU003440};
CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000256|HAMAP-Rule:MF_00219,
CC ECO:0000256|RuleBase:RU003440};
CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC (S)-dihydroorotate from bicarbonate: step 3/3.
CC {ECO:0000256|ARBA:ARBA00004880, ECO:0000256|HAMAP-Rule:MF_00219,
CC ECO:0000256|RuleBase:RU003440}.
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00219}.
CC -!- SIMILARITY: Belongs to the metallo-dependent hydrolases superfamily.
CC DHOase family. Class II DHOase subfamily.
CC {ECO:0000256|ARBA:ARBA00005631, ECO:0000256|HAMAP-Rule:MF_00219,
CC ECO:0000256|RuleBase:RU003440}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:OLO12234.1}.
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DR EMBL; MSDQ01000007; OLO12234.1; -; Genomic_DNA.
DR RefSeq; WP_075368446.1; NZ_MSDQ01000007.1.
DR AlphaFoldDB; A0A1Q8TEY9; -.
DR STRING; 223900.GCA_000821045_00684; -.
DR UniPathway; UPA00070; UER00117.
DR Proteomes; UP000186806; Unassembled WGS sequence.
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 Gene3D; 3.20.20.140; Metal-dependent hydrolases; 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 NCBIfam; TIGR00856; pyrC_dimer; 1.
DR PANTHER; PTHR43137; DIHYDROOROTASE; 1.
DR PANTHER; PTHR43137:SF1; DIHYDROOROTASE; 1.
DR Pfam; PF01979; Amidohydro_1; 1.
DR PIRSF; PIRSF001237; DHOdimr; 1.
DR SUPFAM; SSF51556; Metallo-dependent hydrolases; 1.
DR PROSITE; PS00482; DIHYDROOROTASE_1; 1.
DR PROSITE; PS00483; DIHYDROOROTASE_2; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00219};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00219};
KW Pyrimidine biosynthesis {ECO:0000256|ARBA:ARBA00022975, ECO:0000256|HAMAP-
KW Rule:MF_00219};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00219}.
FT DOMAIN 15..307
FT /note="Amidohydrolase-related"
FT /evidence="ECO:0000259|Pfam:PF01979"
FT ACT_SITE 251
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 17
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 19..21
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 19
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 45
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 103
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /note="via carbamate group"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 103
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /note="via carbamate group"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 140
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 140
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 178
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 223
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 251
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 255
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 267
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT MOD_RES 103
FT /note="N6-carboxylysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
SQ SEQUENCE 351 AA; 38732 MW; C556DC9A1659CD4B CRC64;
MSESPTRLRL RRPDDWHLHL RDGDVMRLVL PATSRVYGRA IVMPNLMPPI TTLAEAEAYR
ARILEAVPAG HDFTPLMTCY LNESVSAETL EAGHASGLLT AAKLYPANAT TNSQHGVKRI
QDIYPLLETM ERIGMPLLVH GEVTRGEIDI FDREKTFIDE VMIPLRQRFP ALKVVFEHIT
TGDAAQYVLE GDANLAATLT PQHLAHNRND MLVGGIRPHL YCLPILKRAE HQRALRAAVA
SGHPRFFLGT DSAPHVVAAK ETACGCAGVF NAQASLSVYA EVFEEEGALE HFAAFCSENG
PRFYGLPLNE DDIELVRQPT TMPERIEGHG ETLKPFKAGE TLAWTVNAGR A
//