Reviewed, UniProtKB/Swiss-Prot A0PL52 (MHPB_MYCUA)

Names and origin

Protein names

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

Gene names

Name:	mhpB
Ordered Locus Names:	MUL_0347

Organism

Mycobacterium ulcerans (strain Agy99) [Complete proteome] [HAMAP]

Taxonomic identifier

362242 [NCBI]

Taxonomic lineage

Bacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Corynebacterineae › Mycobacteriaceae › Mycobacterium

Protein attributes

Sequence length	313 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 – 313	313	2,3-dihydroxyphenylpropionate/2,3-dihydroxicinnamic acid 1,2-dioxygenase HAMAP MF_01653		PRO_0000337659
Sites
	Active site	115	1	Proton donor By similarity
	Active site	179	1	Proton acceptor By similarity

Sequences

	Sequence		Length	Mass (Da)
	A0PL52-1 [UniParc]. Last modified May 20, 2008. Version 2. Checksum: 0EB633671CBFC800	FASTA	313	33,564
	10 20 30 40 50 60 MALALCRMSH SPLLNLPGPR LDLLDEVHAA IAEAAEFVRA YDPDLVVIFS PDHYNGFFYR 70 80 90 100 110 120 AMHPFCIGMY ASAVGDYGTH IGALDVPTDL AADCAKAVLG ADVDVAVSAS MDVDHGTVQP 130 140 150 160 170 180 LEKLFGTATA RPVIPIFINA IAAPLGPLRR CRALGTAVGT FLSTLDLRVL VIGSGGLSHS 190 200 210 220 230 240 PPVPTLHSAD PQVRERIVHG QPLTPAQRQA RQTVVMEAAK SFAAGNSDLQ PLNPAWDQRF 250 260 270 280 290 300 LEIIDNGHLS DLDRWSNSFV THEGGSLAHE IRTWISAFAA MAVAGPYQTK VRYYKQAADL 310 IAGFAIRTAV PIP

References

[1]

"Reductive evolution and niche adaptation inferred from the genome of Mycobacterium ulcerans, the causative agent of Buruli ulcer." Stinear T.P., Seemann T., Pidot S., Frigui W., Reysset G., Garnier T., Meurice G., Simon D., Bouchier C., Ma L., Tichit M., Porter J.L., Ryan J., Johnson P.D.R., Davies J.K., Jenkin G.A., Small P.L.C., Jones L.M. , Tekaia F., Laval F., Daffe M., Parkhill J., Cole S.T. Genome Res. 17:192-200(2007) [PubMed: 17210928] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000325 Genomic DNA. Translation: ABL03071.1. Different initiation.
RefSeq	YP_904542.1.
3D structure databases
SMR	A0PL52. Positions 7-296.
ModBase	Search...
Protein-protein interaction databases
STRING	A0PL52.
Genome annotation databases
GeneID	4550878.
GenomeReviews	Gene locus MUL_0347 in contig CP000325_GR.
KEGG	mul:MUL_0347.
Organism-specific databases
BuruList	MUL_0347.
CMR	Search...
Phylogenomic databases
eggNOG	NOG42398.
HOGENOM	HBG565586.
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

MHPB_MYCUA

Accession

Primary (citable) accession number: A0PL52

Entry history

Integrated into UniProtKB/Swiss-Prot:	May 20, 2008
Last sequence update:	May 20, 2008
Last modified:	January 19, 2010
This is version 23 of the entry and version 2 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation project

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