ID A0A2N4X1Z0_9SPHN Unreviewed; 345 AA.
AC A0A2N4X1Z0;
DT 25-APR-2018, integrated into UniProtKB/TrEMBL.
DT 25-APR-2018, sequence version 1.
DT 24-JAN-2024, entry version 23.
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=C0V78_06425 {ECO:0000313|EMBL:PLK26566.1};
OS Novosphingobium sp. TH158.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Sphingomonadales;
OC Sphingomonadaceae; Novosphingobium.
OX NCBI_TaxID=2067455 {ECO:0000313|EMBL:PLK26566.1, ECO:0000313|Proteomes:UP000234499};
RN [1] {ECO:0000313|EMBL:PLK26566.1, ECO:0000313|Proteomes:UP000234499}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=TH158 {ECO:0000313|EMBL:PLK26566.1,
RC ECO:0000313|Proteomes:UP000234499};
RA Cai h.;
RT "genomes of bacteria within cyanobacterial aggregates.";
RL Submitted (DEC-2017) 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:PLK26566.1}.
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DR EMBL; PKRT01000001; PLK26566.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A2N4X1Z0; -.
DR OrthoDB; 9808095at2; -.
DR UniPathway; UPA00070; UER00117.
DR Proteomes; UP000234499; 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}; Reference proteome {ECO:0000313|Proteomes:UP000234499};
KW Zinc {ECO:0000256|ARBA:ARBA00022833, ECO:0000256|HAMAP-Rule:MF_00219}.
FT DOMAIN 12..304
FT /note="Amidohydrolase-related"
FT /evidence="ECO:0000259|Pfam:PF01979"
FT ACT_SITE 248
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 14
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 16..18
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 16
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 42
FT /ligand="substrate"
FT /evidence="ECO:0000256|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:0000256|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:0000256|HAMAP-Rule:MF_00219"
FT BINDING 137
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 137
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 175
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 220
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 248
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 252
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT BINDING 264
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
FT MOD_RES 100
FT /note="N6-carboxylysine"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00219"
SQ SEQUENCE 345 AA; 37120 MW; 55C960457C31E0F2 CRC64;
MTQQLTIRRP DDWHVHLRDG AVLQGVLPHT ARQFARAIVM PNLSPPMTDC AGVAAYRQRI
EAALPAGMDF TPLMTLYLTD ATDPDEVARG FAEGVFVAAK LYPAHATTGS AHGVTDVANI
RAVLERMAAI GMPLLVHGEV TDAHVDIFDR EAVFIERTLA PLVRELPELK VVFEHVTTEE
AVRFVEGSGP NVAATITPQH LHINRNAMLV GGIRPHMFCL PVAKREKHRL ALRAAATSGS
AKFFLGTDSA PHAVGAKESA CGCAGIFNAP FALESYVAVF EEEGALDRFE AFASLNGPAF
YGLPVNEAKV TLEKVAVAVP DQIDANGTQI VPFHAGESLS WRFAG
//
