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B1XBJ5 (MHPB_ECODH) Reviewed, UniProtKB/Swiss-Prot

Last modified January 25, 2012. Version 25. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
2,3-dihydroxyphenylpropionate/2,3-dihydroxicinnamic acid 1,2-dioxygenase
EC=1.13.11.16
Gene names
Name:mhpB
Ordered Locus Names:ECDH10B_1360
OrganismEscherichia coli (strain K12 / DH10B) [Complete proteome] [HAMAP]
Taxonomic identifier316385 [NCBI]
Taxonomic lineageBacteria › Proteobacteria › Gammaproteobacteria › Enterobacteriales › Enterobacteriaceae › Escherichia

Protein attributes

Sequence length314 AA.
Sequence statusComplete.
Protein existenceInferred from homology

General annotation (Comments)

Function

Catalyzes the non-heme iron(II)-dependent oxidative cleavage of 2,3-dihydroxyphenylpropionic acid and 2,3-dihydroxicinnamic acid into 2-hydroxy-6-ketononadienedioate and 2-hydroxy-6-ketononatrienedioate, respectively By similarity. HAMAP MF_01653

Catalytic activity

3-(2,3-dihydroxyphenyl)propanoate + O2 = 2-hydroxy-6-oxonona-2,4-diene-1,9-dioate. HAMAP MF_01653

(2E)-3-(2,3-dihydroxyphenyl)prop-2-enoate + O2 = 2-hydroxy-6-oxonona-2,4,7-triene-1,9-dioate. HAMAP MF_01653

Cofactor

Fe2+ ion By similarity. HAMAP MF_01653

Pathway

Aromatic compound metabolism; 3-phenylpropanoate degradation. HAMAP MF_01653

Subunit structure

Homotetramer By similarity. HAMAP MF_01653

Sequence similarities

Belongs to the ligB/mhpB extradiol dioxygenase family.

Ontologies

Keywords
   Biological processAromatic hydrocarbons catabolism
   LigandIron
   Molecular functionDioxygenase
Oxidoreductase
   Technical termComplete proteome
Gene Ontology (GO)
   Biological processaromatic compound catabolic process

Inferred from electronic annotation. Source: UniProtKB-KW

   Molecular function3-carboxyethylcatechol 2,3-dioxygenase activity

Inferred from electronic annotation. Source: EC

ferrous iron binding

Inferred from electronic annotation. Source: InterPro

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 3143142,3-dihydroxyphenylpropionate/2,3-dihydroxicinnamic acid 1,2-dioxygenase HAMAP MF_01653
PRO_1000187005

Sites

Active site1151Proton donor By similarity
Active site1791Proton acceptor By similarity

Sequences

Sequence LengthMass (Da)Tools
B1XBJ5 [UniParc].

Last modified May 20, 2008. Version 1.
Checksum: E1D5A8574E5DFE05

FASTA31434,196
        10         20         30         40         50         60 
MHAYLHCLSH SPLVGYVDPA QEVLDEVNGV IASARERIAA FSPELVVLFA PDHYNGFFYD 

        70         80         90        100        110        120 
VMPPFCLGVG ATAIGDFGSA AGELPVPVEL AEACAHAVMK SGIDLAVSYC MQVDHGFAQP 

       130        140        150        160        170        180 
LEFLLGGLDK VPVLPVFING VATPLPGFQR TRMLGEAIGR FTSTLNKRVL FLGSGGLSHQ 

       190        200        210        220        230        240 
PPVPELAKAD AHMRDRLLGS GKDLPASERE LRQQRVISAA EKFVEDQRTL HPLNPIWDNQ 

       250        260        270        280        290        300 
FMTLLEQGRI QELDAVSNEE LSAIAGKSTH EIKTWVAAFA AISAFGNWRS EGRYYRPIPE 

       310 
WIAGFGSLSA RTEN

« Hide

References

[1]"The complete genome sequence of Escherichia coli DH10B: insights into the biology of a laboratory workhorse."
Durfee T., Nelson R., Baldwin S., Plunkett G. III, Burland V., Mau B., Petrosino J.F., Qin X., Muzny D.M., Ayele M., Gibbs R.A., Csorgo B., Posfai G., Weinstock G.M., Blattner F.R.
J. Bacteriol. 190:2597-2606(2008) [PubMed: 18245285] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: K12 / DH10B.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ		CP000948 Genomic DNA. Translation: ACB02465.1.
RefSeqYP_001730243.1. NC_010473.1.

3D structure databases

ProteinModelPortalB1XBJ5.
ModBaseSearch...

Protein-protein interaction databases

STRINGB1XBJ5.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaEBESCT00000013473; EBESCP00000013001; EBESCG00000012535.
GeneID6058289.
GenomeReviewsGene locus ECDH10B_1360 in contig CP000948_GR.
KEGGecd:ECDH10B_1360.
PATRIC18462570. VBIEscCol59506_1382.

Organism-specific databases

CMRSearch...

Phylogenomic databases

GeneTreeEBGT00050000010475.
HOGENOMHBG565586.
OMAAHEIRTW.
ProtClustDBPRK13370.

Enzyme and pathway databases

BioCycECOL316385:ECDH10B_1360-MONOMER.

Family and domain databases

HAMAPMF_01653. MhpB.
[Tree]
InterProIPR023789. DHPP/DHXA_dioxygenase.
IPR004183. Xdiol_dOase_suB.
[Graphical view]
Gene3DG3DSA:3.40.830.10. Xdiol_dOase_3B. 2 hits.
KOK05713.
PfamPF02900. LigB. 1 hit.
[Graphical view]
SUPFAMSSF53213. Xdiol_dOase_3B. 1 hit.
ProtoNetSearch...

Entry information

Entry nameMHPB_ECODH
AccessionPrimary (citable) accession number: B1XBJ5
Entry history
Integrated into UniProtKB/Swiss-Prot: July 28, 2009
Last sequence update: May 20, 2008
Last modified: January 25, 2012
This is version 25 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families

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