PYRC_LACLA
ID PYRC_LACLA Reviewed; 423 AA.
AC Q9CGM7;
DT 01-FEB-2003, integrated into UniProtKB/Swiss-Prot.
DT 01-FEB-2003, sequence version 2.
DT 03-AUG-2022, entry version 121.
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=LL1069;
GN ORFNames=L81189;
OS Lactococcus lactis subsp. lactis (strain IL1403) (Streptococcus lactis).
OC Bacteria; Firmicutes; Bacilli; Lactobacillales; Streptococcaceae;
OC Lactococcus.
OX NCBI_TaxID=272623;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=IL1403;
RX PubMed=11337471; DOI=10.1101/gr.gr-1697r;
RA Bolotin A., Wincker P., Mauger S., Jaillon O., Malarme K., Weissenbach J.,
RA Ehrlich S.D., Sorokin A.;
RT "The complete genome sequence of the lactic acid bacterium Lactococcus
RT lactis ssp. lactis IL1403.";
RL Genome Res. 11:731-753(2001).
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}.
CC -!- SEQUENCE CAUTION:
CC Sequence=AAK05167.1; Type=Erroneous initiation; Evidence={ECO:0000305};
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DR EMBL; AE005176; AAK05167.1; ALT_INIT; Genomic_DNA.
DR PIR; E86758; E86758.
DR RefSeq; NP_267225.1; NC_002662.1.
DR RefSeq; WP_031296484.1; NC_002662.1.
DR AlphaFoldDB; Q9CGM7; -.
DR SMR; Q9CGM7; -.
DR STRING; 272623.L81189; -.
DR PaxDb; Q9CGM7; -.
DR EnsemblBacteria; AAK05167; AAK05167; L81189.
DR KEGG; lla:L81189; -.
DR PATRIC; fig|272623.7.peg.1146; -.
DR eggNOG; COG0044; Bacteria.
DR HOGENOM; CLU_015572_1_0_9; -.
DR OMA; QHAQEPR; -.
DR UniPathway; UPA00070; UER00117.
DR Proteomes; UP000002196; 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; PS00482; DIHYDROOROTASE_1; 1.
DR PROSITE; PS00483; DIHYDROOROTASE_2; 1.
PE 3: Inferred from homology;
KW Hydrolase; Metal-binding; Pyrimidine biosynthesis; Reference proteome;
KW Zinc.
FT CHAIN 1..423
FT /note="Dihydroorotase"
FT /id="PRO_0000147235"
FT ACT_SITE 304
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 151
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 151
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 178
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 231
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 277
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 304
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT BINDING 308
FT /ligand="substrate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
SQ SEQUENCE 423 AA; 45676 MW; 0A0A9CB6749E9B83 CRC64;
MTLLIKNGRL VDPKSNRDEV LDILIENDKI VKIGLNLSVE NAEIVDARGL VVAPGLIDVH
VHFREPGQTH KETIHSGAKS AAAGGFTRVV MMANTKPILS TPKVLTETLE IADKEDIKID
AVGSITQDFD GEHLTDFDEL IKAGAIGFSD DGIPLTDAGV LRKALQKAKL TDSLISIHEE
DPNLIGTLGV NDGEVAHKCG FTGAPTVSEY SMMARDSMIA YETGARLHIQ HLSAGESVEV
VRFAKNLGAK ITAEVTPQHF SITEQMIFEQ GTNAKLNPPL RSTTDIGKII EGLKDGTIDV
IATDHAPHTR EEKNVSLDKA PSGMIGLETS LQLGLTNLVA KGHLTLSELL TKMTVNPAKL
YNFDAGYLAE NGPADLVIFD AENDYQVGET FDSKATNSPF IKQKVQGQVK YTICDGKIVY
QAK
