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MHPB_CUPPJ
ID   MHPB_CUPPJ              Reviewed;         314 AA.
AC   Q476N0;
DT   20-MAY-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-SEP-2005, sequence version 1.
DT   25-MAY-2022, entry version 87.
DE   RecName: Full=2,3-dihydroxyphenylpropionate/2,3-dihydroxicinnamic acid 1,2-dioxygenase {ECO:0000255|HAMAP-Rule:MF_01653};
DE            EC=1.13.11.16 {ECO:0000255|HAMAP-Rule:MF_01653};
DE   AltName: Full=3-carboxyethylcatechol 2,3-dioxygenase {ECO:0000255|HAMAP-Rule:MF_01653};
GN   Name=mhpB {ECO:0000255|HAMAP-Rule:MF_01653}; OrderedLocusNames=Reut_A0271;
OS   Cupriavidus pinatubonensis (strain JMP 134 / LMG 1197) (Cupriavidus necator
OS   (strain JMP 134)).
OC   Bacteria; Proteobacteria; Betaproteobacteria; Burkholderiales;
OC   Burkholderiaceae; Cupriavidus.
OX   NCBI_TaxID=264198;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=JMP134 / LMG 1197;
RX   PubMed=20339589; DOI=10.1371/journal.pone.0009729;
RA   Lykidis A., Perez-Pantoja D., Ledger T., Mavromatis K., Anderson I.J.,
RA   Ivanova N.N., Hooper S.D., Lapidus A., Lucas S., Gonzalez B.,
RA   Kyrpides N.C.;
RT   "The complete multipartite genome sequence of Cupriavidus necator JMP134, a
RT   versatile pollutant degrader.";
RL   PLoS ONE 5:E9729-E9729(2010).
CC   -!- FUNCTION: Catalyzes the non-heme iron(II)-dependent oxidative cleavage
CC       of 2,3-dihydroxyphenylpropionic acid and 2,3-dihydroxicinnamic acid
CC       into 2-hydroxy-6-ketononadienedioate and 2-hydroxy-6-
CC       ketononatrienedioate, respectively. {ECO:0000255|HAMAP-Rule:MF_01653}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=3-(2,3-dihydroxyphenyl)propanoate + O2 = (2Z,4E)-2-hydroxy-6-
CC         oxonona-2,4-dienedioate + H(+); Xref=Rhea:RHEA:23840,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:46951,
CC         ChEBI:CHEBI:66887; EC=1.13.11.16; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01653};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=(2E)-3-(2,3-dihydroxyphenyl)prop-2-enoate + O2 = (2Z,4E,7E)-2-
CC         hydroxy-6-oxonona-2,4,7-trienedioate + H(+); Xref=Rhea:RHEA:25054,
CC         ChEBI:CHEBI:15378, ChEBI:CHEBI:15379, ChEBI:CHEBI:58642,
CC         ChEBI:CHEBI:66888; EC=1.13.11.16; Evidence={ECO:0000255|HAMAP-
CC         Rule:MF_01653};
CC   -!- COFACTOR:
CC       Name=Fe(2+); Xref=ChEBI:CHEBI:29033;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01653};
CC   -!- PATHWAY: Aromatic compound metabolism; 3-phenylpropanoate degradation.
CC       {ECO:0000255|HAMAP-Rule:MF_01653}.
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01653}.
CC   -!- SIMILARITY: Belongs to the LigB/MhpB extradiol dioxygenase family.
CC       {ECO:0000255|HAMAP-Rule:MF_01653}.
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DR   EMBL; CP000090; AAZ59653.1; -; Genomic_DNA.
DR   RefSeq; WP_011296461.1; NC_007347.1.
DR   AlphaFoldDB; Q476N0; -.
DR   SMR; Q476N0; -.
DR   STRING; 264198.Reut_A0271; -.
DR   EnsemblBacteria; AAZ59653; AAZ59653; Reut_A0271.
DR   KEGG; reu:Reut_A0271; -.
DR   eggNOG; COG3384; Bacteria.
DR   HOGENOM; CLU_078149_0_0_4; -.
DR   OMA; MDVDHGT; -.
DR   OrthoDB; 1728007at2; -.
DR   UniPathway; UPA00714; -.
DR   GO; GO:0047070; F:3-carboxyethylcatechol 2,3-dioxygenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0008198; F:ferrous iron binding; IEA:InterPro.
DR   GO; GO:0019380; P:3-phenylpropionate catabolic process; IEA:UniProtKB-UniPathway.
DR   CDD; cd07365; MhpB_like; 1.
DR   HAMAP; MF_01653; MhpB; 1.
DR   InterPro; IPR023789; DHPP/DHXA_dioxygenase.
DR   InterPro; IPR004183; Xdiol_dOase_suB.
DR   Pfam; PF02900; LigB; 1.
PE   3: Inferred from homology;
KW   Aromatic hydrocarbons catabolism; Dioxygenase; Iron; Oxidoreductase.
FT   CHAIN           1..314
FT                   /note="2,3-dihydroxyphenylpropionate/2,3-dihydroxicinnamic
FT                   acid 1,2-dioxygenase"
FT                   /id="PRO_0000337664"
FT   ACT_SITE        115
FT                   /note="Proton donor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01653"
FT   ACT_SITE        179
FT                   /note="Proton acceptor"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01653"
SQ   SEQUENCE   314 AA;  33299 MW;  A5276EA6F4BA1D10 CRC64;
     MPIQLECLSH TPLHGYVDPA PEVVAEVERV QAAARDRVRA FDPELVVVFA PDHFNGFFYD
     VMPPFCIGAA ATAIGDFKSL AGKLPVPADL ALSLAESVMA ADIDVALSHR MQVDHGCADA
     LAALTGSLHR YPVIPVFINS VAPPMATLRR ARLLGDAVGR FLSRAGKRVL VVGSGGISHE
     PPVPELAGAS EEVAERLIAG RNPSPESRAA RQARTVAAAK SFVAGDSHLH PLNPEWDRAF
     LSLLASGELT AVDGMTNDAI TRDGGKSAHE IRTWVAAFGA LAAYGPYRAS LDFYRAIPEW
     IAGFATMHAE PAAV
 
 
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