ID A0A1H4X180_9ACTN Unreviewed; 428 AA.
AC A0A1H4X180;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 23.
DE RecName: Full=Dihydroorotase {ECO:0000256|HAMAP-Rule:MF_00220};
DE Short=DHOase {ECO:0000256|HAMAP-Rule:MF_00220};
DE EC=3.5.2.3 {ECO:0000256|HAMAP-Rule:MF_00220};
GN Name=pyrC {ECO:0000256|HAMAP-Rule:MF_00220};
GN ORFNames=SAMN05216489_02190 {ECO:0000313|EMBL:SEC99482.1};
OS Streptomyces sp. 3213.3.
OC Bacteria; Actinomycetota; Actinomycetes; Kitasatosporales;
OC Streptomycetaceae; Streptomyces.
OX NCBI_TaxID=1855348 {ECO:0000313|EMBL:SEC99482.1, ECO:0000313|Proteomes:UP000198754};
RN [1] {ECO:0000313|EMBL:SEC99482.1, ECO:0000313|Proteomes:UP000198754}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=3213 {ECO:0000313|EMBL:SEC99482.1,
RC ECO:0000313|Proteomes:UP000198754};
RA de Groot N.N.;
RL Submitted (OCT-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_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:0000256|HAMAP-Rule:MF_00220};
CC -!- COFACTOR:
CC Name=Zn(2+); Xref=ChEBI:CHEBI:29105;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_00220};
CC Note=Binds 2 Zn(2+) ions per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_00220};
CC -!- PATHWAY: Pyrimidine metabolism; UMP biosynthesis via de novo pathway;
CC (S)-dihydroorotate from bicarbonate: step 3/3. {ECO:0000256|HAMAP-
CC Rule:MF_00220}.
CC -!- SIMILARITY: Belongs to the metallo-dependent hydrolases superfamily.
CC DHOase family. Class I DHOase subfamily.
CC {ECO:0000256|ARBA:ARBA00010286, ECO:0000256|HAMAP-Rule:MF_00220}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00220}.
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DR EMBL; FNTK01000001; SEC99482.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H4X180; -.
DR STRING; 1855348.SAMN05216489_02190; -.
DR UniPathway; UPA00070; UER00117.
DR Proteomes; UP000198754; 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 CDD; cd01317; DHOase_IIa; 1.
DR Gene3D; 3.20.20.140; Metal-dependent hydrolases; 1.
DR Gene3D; 2.30.40.10; Urease, subunit C, domain 1; 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 NCBIfam; TIGR00857; pyrC_multi; 1.
DR PANTHER; PTHR43668; ALLANTOINASE; 1.
DR PANTHER; PTHR43668:SF2; ALLANTOINASE; 1.
DR Pfam; PF01979; Amidohydro_1; 1.
DR SUPFAM; SSF51338; Composite domain of metallo-dependent hydrolases; 1.
DR SUPFAM; SSF51556; Metallo-dependent hydrolases; 1.
DR PROSITE; PS00483; DIHYDROOROTASE_2; 1.
PE 3: Inferred from homology;
KW Hydrolase {ECO:0000256|ARBA:ARBA00022801, ECO:0000256|HAMAP-Rule:MF_00220};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_00220}; Pyrimidine biosynthesis {ECO:0000256|HAMAP-Rule:MF_00220};
KW Reference proteome {ECO:0000313|Proteomes:UP000198754};
KW Zinc {ECO:0000256|HAMAP-Rule:MF_00220}.
FT DOMAIN 47..420
FT /note="Amidohydrolase-related"
FT /evidence="ECO:0000259|Pfam:PF01979"
FT ACT_SITE 303
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 56
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 58..60
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 58
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 90
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 150
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 150
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 177
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 230
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 276
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 303
FT /ligand="Zn(2+)"
FT /ligand_id="ChEBI:CHEBI:29105"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
FT BINDING 307
FT /ligand="substrate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00220"
SQ SEQUENCE 428 AA; 45312 MW; 4ADB90AC609A0228 CRC64;
MSKILIRGAK ILGGEPQDVL IDGDTISEVG VGLSAEGADV VEAEGKILLP GLVDLHTHLR
EPGREDSETV LTGTRAATSG GYTAVFAMAN TFPVADTAGV VEQVYRLGQE HGYCDVQPIG
AVTVGLEGKK LAELGAMHES AAGVTVFSDD GKCVDDAVIM RRALEYVKAF GGVVAQHAQE
PRLTEGAQMN EGVVSAELGL GGWPAVAEES IIARDVLLAE HVGSRVHICH LSTAGSVEIV
RWAKSRGIDV TAEVTPHHLL LTDELVRSYN PVYKVNPPLR TERDVLALRE ALADGTIDIV
ATDHAPHPHE DKDCEWAAAA MGMVGLETAL SVVQETMVDT GLLTWAGVAE RMSVKPAEIG
RAVGHGRPVS AGEPANLTLV DTEYRGSVDP AGFASRSRNT PYEGRELPGR VTHTWLRGKA
TLVDGKLT
//
