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PYRC_PYRAE
ID   PYRC_PYRAE              Reviewed;         383 AA.
AC   Q8ZZC7;
DT   01-FEB-2003, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-2002, sequence version 1.
DT   03-AUG-2022, entry version 108.
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=PAE0322;
OS   Pyrobaculum aerophilum (strain ATCC 51768 / DSM 7523 / JCM 9630 / CIP
OS   104966 / NBRC 100827 / IM2).
OC   Archaea; Crenarchaeota; Thermoprotei; Thermoproteales; Thermoproteaceae;
OC   Pyrobaculum.
OX   NCBI_TaxID=178306;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC 51768 / DSM 7523 / JCM 9630 / CIP 104966 / NBRC 100827 / IM2;
RX   PubMed=11792869; DOI=10.1073/pnas.241636498;
RA   Fitz-Gibbon S.T., Ladner H., Kim U.-J., Stetter K.O., Simon M.I.,
RA   Miller J.H.;
RT   "Genome sequence of the hyperthermophilic crenarchaeon Pyrobaculum
RT   aerophilum.";
RL   Proc. Natl. Acad. Sci. U.S.A. 99:984-989(2002).
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; AE009441; AAL62714.1; -; Genomic_DNA.
DR   AlphaFoldDB; Q8ZZC7; -.
DR   SMR; Q8ZZC7; -.
DR   STRING; 178306.PAE0322; -.
DR   EnsemblBacteria; AAL62714; AAL62714; PAE0322.
DR   KEGG; pai:PAE0322; -.
DR   PATRIC; fig|178306.9.peg.245; -.
DR   eggNOG; arCOG00689; Archaea.
DR   HOGENOM; CLU_015572_1_1_2; -.
DR   InParanoid; Q8ZZC7; -.
DR   OMA; QHAQEPR; -.
DR   UniPathway; UPA00070; UER00117.
DR   Proteomes; UP000002439; 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   HAMAP; MF_00220_A; PyrC_classI_A; 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; Reference proteome;
KW   Zinc.
FT   CHAIN           1..383
FT                   /note="Dihydroorotase"
FT                   /id="PRO_0000147275"
FT   ACT_SITE        264
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         47
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         49..51
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         49
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         81
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         128
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         128
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         159
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         198
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="2"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         264
FT                   /ligand="Zn(2+)"
FT                   /ligand_id="ChEBI:CHEBI:29105"
FT                   /ligand_label="1"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         268
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   BINDING         280..281
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
FT   MOD_RES         128
FT                   /note="N6-carboxylysine"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00220"
SQ   SEQUENCE   383 AA;  42421 MW;  C51F4FD2B0EA3A52 CRC64;
     MLKECIKIEG RAFLGGKVTR VKLGSGECKT LQLSNKYLIL PGMVDIHVHF RDWGLSHKET
     LRGGAAAALA GGVVAVGDMP NTKPHIRTAD LYKKRLEEGS ALPIIYKVHM GIPQDLEELR
     AARPPTIKIY PEDVEAFGWG HIEKAAEACA SLGCRLVLHC EDPAYFKEGE RPPIAELACV
     ERTRQMAFKT GVKIHLTHIT LSQTAEAARG WATVDATPHH LLLDVENCKD SGLCHVNPRL
     RTPEMRKRLL AAFASGLVDI YATDHAPHTL EEKRSGAPPP GICSLDVALS LLLTLWKRGV
     VTLSDVVRLY SHRPARFFDL QIDVKKGYFT VVRLEEFTVR GEEFAGTCKH TPFEGFKAFG
     RVFATSVGGR IYFKDGDVYM INI
 
 
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