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HGD_CAUVN
ID   HGD_CAUVN               Reviewed;         425 AA.
AC   B8H072;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   03-MAR-2009, sequence version 1.
DT   03-AUG-2022, entry version 77.
DE   RecName: Full=Homogentisate 1,2-dioxygenase {ECO:0000255|HAMAP-Rule:MF_00334};
DE            Short=HGDO {ECO:0000255|HAMAP-Rule:MF_00334};
DE            EC=1.13.11.5 {ECO:0000255|HAMAP-Rule:MF_00334};
DE   AltName: Full=Homogentisate oxygenase {ECO:0000255|HAMAP-Rule:MF_00334};
DE   AltName: Full=Homogentisic acid oxidase {ECO:0000255|HAMAP-Rule:MF_00334};
DE   AltName: Full=Homogentisicase {ECO:0000255|HAMAP-Rule:MF_00334};
GN   Name=hmgA {ECO:0000255|HAMAP-Rule:MF_00334}; OrderedLocusNames=CCNA_02615;
OS   Caulobacter vibrioides (strain NA1000 / CB15N) (Caulobacter crescentus).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Caulobacterales;
OC   Caulobacteraceae; Caulobacter.
OX   NCBI_TaxID=565050;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=NA1000 / CB15N;
RX   PubMed=20472802; DOI=10.1128/jb.00255-10;
RA   Marks M.E., Castro-Rojas C.M., Teiling C., Du L., Kapatral V.,
RA   Walunas T.L., Crosson S.;
RT   "The genetic basis of laboratory adaptation in Caulobacter crescentus.";
RL   J. Bacteriol. 192:3678-3688(2010).
CC   -!- FUNCTION: Involved in the catabolism of homogentisate (2,5-
CC       dihydroxyphenylacetate or 2,5-OH-PhAc), a central intermediate in the
CC       degradation of phenylalanine and tyrosine. Catalyzes the oxidative ring
CC       cleavage of the aromatic ring of homogentisate to yield
CC       maleylacetoacetate. {ECO:0000255|HAMAP-Rule:MF_00334}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=homogentisate + O2 = 4-maleylacetoacetate + H(+);
CC         Xref=Rhea:RHEA:15449, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379,
CC         ChEBI:CHEBI:16169, ChEBI:CHEBI:17105; EC=1.13.11.5;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00334};
CC   -!- COFACTOR:
CC       Name=Fe cation; Xref=ChEBI:CHEBI:24875;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_00334};
CC   -!- PATHWAY: Amino-acid degradation; L-phenylalanine degradation;
CC       acetoacetate and fumarate from L-phenylalanine: step 4/6.
CC       {ECO:0000255|HAMAP-Rule:MF_00334}.
CC   -!- SUBUNIT: Hexamer; dimer of trimers. {ECO:0000255|HAMAP-Rule:MF_00334}.
CC   -!- SIMILARITY: Belongs to the homogentisate dioxygenase family.
CC       {ECO:0000255|HAMAP-Rule:MF_00334}.
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DR   EMBL; CP001340; ACL96080.1; -; Genomic_DNA.
DR   RefSeq; WP_010920389.1; NC_011916.1.
DR   RefSeq; YP_002517988.1; NC_011916.1.
DR   AlphaFoldDB; B8H072; -.
DR   SMR; B8H072; -.
DR   PRIDE; B8H072; -.
DR   EnsemblBacteria; ACL96080; ACL96080; CCNA_02615.
DR   GeneID; 7332965; -.
DR   KEGG; ccs:CCNA_02615; -.
DR   PATRIC; fig|565050.3.peg.2564; -.
DR   HOGENOM; CLU_027174_0_0_5; -.
DR   OMA; FMFETRW; -.
DR   OrthoDB; 193687at2; -.
DR   PhylomeDB; B8H072; -.
DR   UniPathway; UPA00139; UER00339.
DR   Proteomes; UP000001364; Chromosome.
DR   GO; GO:0004411; F:homogentisate 1,2-dioxygenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0005506; F:iron ion binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0006559; P:L-phenylalanine catabolic process; IEA:UniProtKB-UniRule.
DR   GO; GO:0006572; P:tyrosine catabolic process; IEA:UniProtKB-UniRule.
DR   Gene3D; 2.60.120.10; -; 2.
DR   HAMAP; MF_00334; Homogentis_dioxygen; 1.
DR   InterPro; IPR005708; Homogentis_dOase.
DR   InterPro; IPR022950; Homogentis_dOase_bac.
DR   InterPro; IPR014710; RmlC-like_jellyroll.
DR   InterPro; IPR011051; RmlC_Cupin_sf.
DR   PANTHER; PTHR11056; PTHR11056; 1.
DR   Pfam; PF04209; HgmA; 1.
DR   SUPFAM; SSF51182; SSF51182; 1.
DR   TIGRFAMs; TIGR01015; hmgA; 1.
PE   3: Inferred from homology;
KW   Dioxygenase; Iron; Metal-binding; Oxidoreductase; Phenylalanine catabolism;
KW   Reference proteome; Tyrosine catabolism.
FT   CHAIN           1..425
FT                   /note="Homogentisate 1,2-dioxygenase"
FT                   /id="PRO_1000190374"
FT   ACT_SITE        283
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00334"
FT   BINDING         326
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00334"
FT   BINDING         332
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00334"
FT   BINDING         341
FT                   /ligand="homogentisate"
FT                   /ligand_id="ChEBI:CHEBI:16169"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00334"
FT   BINDING         362
FT                   /ligand="Fe cation"
FT                   /ligand_id="ChEBI:CHEBI:24875"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00334"
FT   BINDING         362
FT                   /ligand="homogentisate"
FT                   /ligand_id="ChEBI:CHEBI:16169"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_00334"
SQ   SEQUENCE   425 AA;  46607 MW;  B61AE29016AD9C27 CRC64;
     MDLRYQTGFG SYFETEAHPG ALPVGRNSPQ KVPFGLYAEQ LSGSAFTAPR HENRRTWLYR
     LRPSAGHEAY QPYAQDKLVS AFPGPATPNR LRWSPLEIPA APTDFVDGLV SLAGNADAAT
     LGGIAAHVYL VNVSMKNRVF YNADGEMLIV PQMGELTLVT EMGVLKAGPG HIAVIPRGVR
     FRVEVEGPAR GYVCENYGAA FRLPELGPIG ANGLANPRDF EAPVAAFEDI DTPTQVIQKF
     QGALWAATWD HSPLDVVAWH GNLTPYRYDL SRFNTINTVS YDHPDPSIFT VLTSPSDTPG
     TANCDFVIFP PRWMVAEDTF RPPWFHRNVM SEFMGLIHGA YDAKAGGFVP GGASLHNCMS
     DHGPDVASHK KATEVVLAPH KIDGTMAFMF ESRWVFRPTH LALESAALQS DYDACWTGFP
     KARLS
 
 
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