Reviewed, UniProtKB/Swiss-Prot Q47GC9 (MHPB2_DECAR)

Names and origin

Protein names

Recommended name:
    2,3-dihydroxyphenylpropionate/2,3-dihydroxicinnamic acid 1,2-dioxygenase 2
    EC=1.13.11.16

Gene names

Name:	mhpB2
Ordered Locus Names:	Daro_1353

Organism

Dechloromonas aromatica (strain RCB) [Complete proteome] [HAMAP]

Taxonomic identifier

159087 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Betaproteobacteria › Rhodocyclales › Rhodocyclaceae › Dechloromonas

Protein attributes

Sequence length	317 AA.
Sequence status	Complete.
Protein existence	Inferred 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 2,3-dihydroxicinnamic acid + 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 process	Aromatic hydrocarbons catabolism
Ligand	Iron
Molecular function	Dioxygenase Oxidoreductase
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	aromatic compound catabolic process Inferred from electronic annotation. Source: HAMAP oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	2,3-dihydroxy-phenylpropionate 1,2-dioxygenase activity Inferred from electronic annotation. Source: HAMAP 3-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 key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 317	317	2,3-dihydroxyphenylpropionate/2,3-dihydroxicinnamic acid 1,2-dioxygenase 2 HAMAP MF_01653		PRO_0000337649
Sites
	Active site	115	1	Proton donor By similarity
	Active site	179	1	Proton acceptor By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q47GC9-1 [UniParc]. Last modified September 13, 2005. Version 1. Checksum: 2AE4707EA6D0BE23	FASTA	317	34,499
	10 20 30 40 50 60 MAALLQCISH SPMKGYVDPS PAIVSDVEVA IARMRKELVD FDPEVIFLFA PDHYNGFFLD 70 80 90 100 110 120 VMPQFCVGIA ATSVGDYRTT PGPINVPREI ARSCAEHLIS NDIDVAISYR MQVDHGMVQP 130 140 150 160 170 180 LEELMGGLNA YPVVPLFVNG VAPPLISIRR ARLFGAAVGE YAKKLNKRCL FIGSGGLSHN 190 200 210 220 230 240 PPVPQIDTAT EEFAEFLIAG RNPSPERRAA RQQRTKDAAI RFAAGDSQLH PINSVWDEAF 250 260 270 280 290 300 MADLVNQDWG ALDAYRNSEI TEQAGISTHE AKSWVAAHAA MNAATSGGYM AEVRYYKAIP 310 EWIVGYGAMA GSAEQAT

References

[1]

"Complete sequence of Dechloromonas aromatica RCB." Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C., Glavina T., Hammon N., Israni S., Pitluck S., Di Bartolo G., Trong S., Kellar K., Schmutz J., Larimer F., Land M., Ivanova N., Richardson P. Submitted (AUG-2005) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000089 Genomic DNA. Translation: AAZ46102.1.
RefSeq	YP_284572.1.
3D structure databases
SMR	Q47GC9. Positions 7-311.
ModBase	Search...
Protein-protein interaction databases
STRING	Q47GC9.
Genome annotation databases
GeneID	3569243.
GenomeReviews	Gene locus Daro_1353 in contig CP000089_GR.
KEGG	dar:Daro_1353.
NMPDR	fig|159087.4.peg.1140.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	NOG42398.
HOGENOM	HBG565586.
OMA	INWIELM.
Enzyme and pathway databases
BioCyc	DARO159087:DARO_1353-MONOMER.
Family and domain databases
HAMAP	MF_01653. MhpB. [Tree]
InterPro	IPR004183. Xdiol_dOase_3B. [Graphical view]
Pfam	PF02900. LigB. 1 hit. [Graphical view]
ProtoNet	Search...

Entry information

Entry name

MHPB2_DECAR

Accession

Primary (citable) accession number: Q47GC9

Entry history

Integrated into UniProtKB/Swiss-Prot:	May 20, 2008
Last sequence update:	September 13, 2005
Last modified:	January 19, 2010
This is version 29 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

HAMAP (High-quality Automated and Manual Annotation of microbial Proteomes)