A6X5N3 (AHPD_OCHA4) Reviewed, UniProtKB/Swiss-Prot

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:	Oant_3831

Organism

Ochrobactrum anthropi (strain ATCC 49188 / DSM 6882 / NCTC 12168) [Complete proteome] [HAMAP]

Taxonomic identifier

439375 [NCBI]

Taxonomic lineage

Bacteria › Proteobacteria › Alphaproteobacteria › Rhizobiales › Brucellaceae › Ochrobactrum

Protein attributes

Sequence length	175 AA.
Sequence status	Complete.
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. HAMAP MF_01676
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)
Molecular function	peroxidase activity Inferred from electronic annotation. Source: UniProtKB-KW 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_0000359503
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)
	A6X5N3 [UniParc]. Last modified August 21, 2007. Version 1. Checksum: 0068BB78EF0D1833	FASTA	175	18,873
	10 20 30 40 50 60 MSIDDLKSKI PDFAKDVRLN LSSMASDETL TPQQKYGLFV ACGIASRNAD VRKALVAEAA 70 80 90 100 110 120 AKVDASVIQA AKSAASIMGM NNVYYRFVHL ATNKDYRTMP AKLRMNVIGN PGVDKIDFEL 130 140 150 160 170 WSLAVSAING CGMCIDAHED VLRKANVTSE TIQTAVRFAS IIQSVAIALE AADTE

References

[1]

"Complete sequence of chromosome 2 of Ochrobactrum anthropi ATCC 49188." Copeland A., Lucas S., Lapidus A., Barry K., Glavina del Rio T., Dalin E., Tice H., Pitluck S., Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N., Garcia E., Richardson P. Submitted (JUL-2007) to the EMBL/GenBank/DDBJ databases Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. Strain: ATCC 49188 / DSM 6882 / NCTC 12168.

Cross-references

Sequence databases
EMBL GenBank DDBJ	CP000759 Genomic DNA. Translation: ABS16537.1.
RefSeq	YP_001372366.1. NC_009668.1.
3D structure databases
ProteinModelPortal	A6X5N3.
ModBase	Search...
Protein-protein interaction databases
STRING	A6X5N3.
Protocols and materials databases
StructuralBiologyKnowledgebase	Search...
Genome annotation databases
GeneID	5382096.
GenomeReviews	Gene locus Oant_3831 in contig CP000759_GR.
KEGG	oan:Oant_3831.
PATRIC	20473060. VBIOchAnt73124_3998.
Organism-specific databases
CMR	Search...
Phylogenomic databases
eggNOG	COG2128.
HOGENOM	HBG414634.
OMA	RAGLRMN.
ProtClustDB	CLSK898877.
Enzyme and pathway databases
BioCyc	OANT439375:OANT_3831-MONOMER.
Family and domain databases
HAMAP	MF_01676. AhpD. [Tree]
InterPro	IPR004674. AhpD. IPR004675. AhpD_core. IPR003779. CMD. [Graphical view]
KO	K04756.
Pfam	PF02627. CMD. 1 hit. [Graphical view]
TIGRFAMs	TIGR00777. AhpD. 1 hit. TIGR00778. AhpD_dom. 1 hit.
ProtoNet	Search...

Entry information

Entry name

AHPD_OCHA4

Accession

Primary (citable) accession number: A6X5N3

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 20, 2009
Last sequence update:	August 21, 2007
Last modified:	December 14, 2011
This is version 35 of the entry and version 1 of the sequence. [Complete history]

Entry status

Reviewed (UniProtKB/Swiss-Prot)

Annotation program

Prokaryotic Protein Annotation Program