Reviewed, UniProtKB/Swiss-Prot B1W2G7 (AHPD_STRGG)

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:	SGR_2502

Organism

Streptomyces griseus subsp. griseus (strain JCM 4626 / NBRC 13350) [Complete proteome] [HAMAP]

Taxonomic identifier

455632 [NCBI]

Taxonomic lineage

Bacteria › Actinobacteria › Actinobacteridae › Actinomycetales › Streptomycineae › Streptomycetaceae › Streptomyces

Protein attributes

Sequence length	177 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
Subunit structure	Homotrimer By similarity. 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_0000359510
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)
	B1W2G7-1 [UniParc]. Last modified May 20, 2008. Version 1. Checksum: 853881F6C63B6BC9	FASTA	177	18,935
	10 20 30 40 50 60 MALDELKSAI PDFAKDLKLN LGSVIGNSDL PQQQLWGTVL ACAIASRSPK VLRELEPEAK 70 80 90 100 110 120 ANLSAEAYTA AKSAAAIMAM NNVFYRTRHL LSDPEYGTLR AGLRMNVIGN PGVEKVDFEL 130 140 150 160 170 WSLAVSAING CGQCLDSHEQ VLRKAGVDRE TIQEAVKVAS VIQAVGVTLD AEAVLAE

References

[1]

"Genome sequence of the streptomycin-producing microorganism Streptomyces griseus IFO 13350." Ohnishi Y., Ishikawa J., Hara H., Suzuki H., Ikenoya M., Ikeda H., Yamashita A., Hattori M., Horinouchi S. J. Bacteriol. 190:4050-4060(2008) [PubMed: 18375553] [Abstract] Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].

Cross-references

Sequence databases
EMBL GenBank DDBJ	AP009493 Genomic DNA. Translation: BAG19331.1.
RefSeq	YP_001824014.1.
3D structure databases
SMR	B1W2G7. Positions 4-176.
ModBase	Search...
Genome annotation databases
GeneID	6213228.
GenomeReviews	Gene locus SGR_2502 in contig AP009493_GR.
KEGG	sgr:SGR_2502.
Organism-specific databases
CMR	Search...
Phylogenomic databases
HOGENOM	HBG414634.
OMA	RAGLRMN.
Family and domain databases
HAMAP	MF_01676. AhpD. [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_STRGG

Accession

Primary (citable) accession number: B1W2G7

Entry history

Integrated into UniProtKB/Swiss-Prot:	January 20, 2009
Last sequence update:	May 20, 2008
Last modified:	February 9, 2010
This is version 15 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)