Reviewed, UniProtKB/Swiss-Prot Q578J2 (AHPD_BRUAB)

Names and origin

Protein names

Recommended name:
    Alkyl hydroperoxide reductase ahpD
    EC=1.11.1.15
Alternative name(s):
    Alkylhydroperoxidase ahpD

Gene names

Name:	ahpD
Ordered Locus Names:	BruAb2_0523

Organism

Brucella abortus [Complete proteome] [HAMAP]

Taxonomic identifier

235 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Alphaproteobacteria › Rhizobiales › Brucellaceae › Brucella

Protein attributes

Sequence length	175 AA.
Sequence status	Complete.
Sequence processing	The displayed sequence is not processed.
Protein existence	Inferred from homology.

General annotation (Comments)

Function	Antioxidant protein with alkyl hydroperoxidase activity. Required for the reduction of the ahpC active site cysteine residues and for the regeneration of the ahpC enzyme activity By similarity.
Catalytic activity	2 R'-SH + ROOH = R'-S-S-R' + H2O + ROH. HAMAP MF_01676
Sequence similarities	Belongs to the ahpD family.

Ontologies

Keywords
Domain	Redox-active center
Molecular function	Antioxidant Oxidoreductase Peroxidase
PTM	Disulfide bond
Technical term	Complete proteome
Gene Ontology (GO)
Biological process	oxidation reduction Inferred from electronic annotation. Source: UniProtKB-KW
Molecular function	alkyl hydroperoxide reductase activity Inferred from electronic annotation. Source: HAMAP peroxiredoxin activity Inferred from electronic annotation. Source: EC
Complete GO annotation...

Sequence annotation (Features)

	Feature key	Position(s)	Length	Description	Graphical view	Feature identifier
Molecule processing
	Chain	1 – 175	175	Alkyl hydroperoxide reductase ahpD HAMAP MF_01676		PRO_0000359476
Sites
	Active site	131	1	Proton donor By similarity
	Active site	134	1	Cysteine sulfenic acid (-SOH) intermediate By similarity
Amino acid modifications
	Disulfide bond	131 ↔ 134		Alternate By similarity
	Disulfide bond	134		Interchain (with ahpC); in linked form By similarity

Sequences

	Sequence		Length	Mass (Da)
	Q578J2-1 [UniParc]. Last modified May 10, 2005. Version 1. Checksum: D8E719C8EBB56ED5	FASTA	175	18,783
	10 20 30 40 50 60 MSIDDLKSKI PDFAKDVRLN LSSMASDETL TPQQKYGLFV ACGIASRNAD VRKALVAEAA 70 80 90 100 110 120 GKVDASVIQA AKAAASIMGM NNVYYRFVHL ASNKDYRTMP ARLRMNVISN PGVDKIDFEL 130 140 150 160 170 WSLAVSAING CGMCIDAHED VLRKANVTAE AIQAAVRFAS IIQSAAIALE AADTE

References

[1]

"Completion of the genome sequence of Brucella abortus and comparison to the highly similar genomes of Brucella melitensis and Brucella suis." Halling S.M., Peterson-Burch B.D., Bricker B.J., Zuerner R.L., Qing Z., Li L.-L., Kapur V., Alt D.P., Olsen S.C. J. Bacteriol. 187:2715-2726(2005) [PubMed: 15805518] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: 9-941 / Biovar 1.

Cross-references

Sequence databases
EMBLGenBankDDBJ	AE017224 Genomic DNA. Translation: AAX75942.1.
RefSeq	YP_223303.1.
3D structure databases
ModBase	Search...
Protein family/group databases
PeroxiBase	4605. BabAhpD.
Genome annotation databases
GeneID	3342335.
GenomeReviews	Gene locus BruAb2_0523 in contig AE017224_GR.
KEGG	bmb:BruAb2_0523.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	Q578J2.
OMA	MAMNNVY.
Enzyme and pathway databases
BioCyc	BABO262698:BRUAB2_0523-MON.
Family and domain databases
HAMAP	MF_01676. [Tree]
InterPro	IPR004674. AhpD. IPR004675. AhpD_core. IPR003779. CMD. [Graphical view]
Pfam	PF02627. CMD. 1 hit. [Graphical view]
TIGRFAMs	TIGR00777. ahpD. 1 hit. TIGR00778. ahpD_dom. 1 hit.
ProtoNet	Search...

Entry information

Entry name

AHPD_BRUAB

Accession

Primary (citable) accession number: Q578J2

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 20, 2009
Last sequence update:	May 10, 2005
Last modified:	November 3, 2009
This is version 23 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)