Reviewed, UniProtKB/Swiss-Prot A9N917 (AHPD_COXBR)

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:	COXBURSA331_A1656

Organism

Coxiella burnetii (strain RSA 331 / Henzerling II) [Complete proteome] [HAMAP]

Taxonomic identifier

360115 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Gammaproteobacteria › Legionellales › Coxiellaceae › Coxiella

Protein attributes

Sequence length	177 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 – 177	177	Alkyl hydroperoxide reductase ahpD HAMAP MF_01676		PRO_0000359487
Sites
	Active site	133	1	Proton donor By similarity
	Active site	136	1	Cysteine sulfenic acid (-SOH) intermediate By similarity
Amino acid modifications
	Disulfide bond	133 ↔ 136		Alternate By similarity
	Disulfide bond	136		Interchain (with ahpC); in linked form By similarity

Sequences

	Sequence		Length	Mass (Da)
	A9N917-1 [UniParc]. Last modified February 5, 2008. Version 1. Checksum: 88F1FEDA6BD68A3B	FASTA	177	19,564
	10 20 30 40 50 60 MLQTYKDQLP DYAKDLKLNL TQVLSESPSS ELSNQQITGV ALAVAYATRN RQLIELIFQK 70 80 90 100 110 120 AEAELDESTL QAIKAAASIM AMNNIYYRFV HLVKDSEYQR LPANLRMNII ANPGIDKKDF 130 140 150 160 170 ELYSLAVSAI NGCGLCIDAH ANTLIKAGFS KHSIQHVIRI AAVLNGLAQV SIIENKT

References

[1]	"Genome sequencing of phylogenetically and phenotypically diverse Coxiella burnetii isolates." Seshadri R., Samuel J.E. Submitted (NOV-2007) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBLGenBankDDBJ	CP000890 Genomic DNA. Translation: ABX77771.1.
RefSeq	YP_001597320.1.
3D structure databases
ModBase	Search...
Genome annotation databases
GeneID	5794542.
GenomeReviews	Gene locus ahpD in contig CP000890_GR.
KEGG	cbs:COXBURSA331_A1656.
Organism-specific databases
CMR	Search...
Phylogenomic databases
OMA	MAMNNVY.
Family and domain databases
HAMAP	MF_01676. [Tree]
InterPro	IPR004675. AhpD_core. IPR003779. CMD. [Graphical view]
Pfam	PF02627. CMD. 1 hit. [Graphical view]
TIGRFAMs	TIGR00778. ahpD_dom. 1 hit.
ProtoNet	Search...

Entry information

Entry name

AHPD_COXBR

Accession

Primary (citable) accession number: A9N917

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 20, 2009
Last sequence update:	February 5, 2008
Last modified:	November 3, 2009
This is version 11 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)