PYRC_LACH4
ID PYRC_LACH4 Reviewed; 425 AA.
AC A8YVZ5;
DT 26-FEB-2008, integrated into UniProtKB/Swiss-Prot.
DT 15-JAN-2008, sequence version 1.
DT 03-AUG-2022, entry version 78.
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=lhv_1445;
OS Lactobacillus helveticus (strain DPC 4571).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Lactobacillaceae;
OC Lactobacillus.
OX NCBI_TaxID=405566;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DPC 4571;
RX PubMed=17993529; DOI=10.1128/jb.01295-07;
RA Callanan M., Kaleta P., O'Callaghan J., O'Sullivan O., Jordan K.,
RA McAuliffe O., Sangrador-Vegas A., Slattery L., Fitzgerald G.F.,
RA Beresford T., Ross R.P.;
RT "Genome sequence of Lactobacillus helveticus: an organism distinguished by
RT selective gene loss and IS element expansion.";
RL J. Bacteriol. 190:727-735(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; CP000517; ABX27424.1; -; Genomic_DNA.
DR RefSeq; WP_012212047.1; NC_010080.1.
DR AlphaFoldDB; A8YVZ5; -.
DR SMR; A8YVZ5; -.
DR STRING; 405566.lhv_1445; -.
DR EnsemblBacteria; ABX27424; ABX27424; lhv_1445.
DR KEGG; lhe:lhv_1445; -.
DR eggNOG; COG0044; Bacteria.
DR HOGENOM; CLU_015572_1_0_9; -.
DR OMA; QHAQEPR; -.
DR UniPathway; UPA00070; UER00117.
DR Proteomes; UP000000790; 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 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..425
FT /note="Dihydroorotase"
FT /id="PRO_1000071755"
FT ACT_SITE 301
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 56
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 58..60
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 58
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 90
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 148
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 148
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 175
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 228
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 274
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 301
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 305
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 319..320
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
SQ SEQUENCE 425 AA; 46292 MW; 187D96B072910B33 CRC64;
MQTVIKNGTV YQNGRLIHAD VLIEDQKIKA IGTDLTGDKV IDATGKLVSP GLVDVHVHYR
DPGQTYKEDI ETGSKAAAHG GFTTVGAMPN VTPVPDTPDL MKKMVQENKQ KGIVHIFQYG
PITKNETTDE LPDYAALKKA GAFALSNDGH GVQTAQTMYL AMQEAKKNDL IVAAHAQDDS
LFNHGIVNEG EKAKELNLPP VTELAETTQI ARDLLLAEKT GVHYHICHVS TKTSVELVRM
AKACGINVTC EAAPHHLLLT EDDIPKDNGY YKMNPPLRSK EDQAALLVGL LDGTIDLIAT
DHAPHAKQEK QGGMQNAAFG ITGSETAFST LYTKFVKEDK VFTLEQLLSW LSDQPAKVFG
LKKAGVLEPG CPADVAIFDL EHETELKEKD YQSKGINTPF TGQKIYGATV MTMVDGEVVY
QRGEK