AHPD_BRUA4
ID AHPD_BRUA4 Reviewed; 175 AA.
AC A6X5N3;
DT 20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT 21-AUG-2007, sequence version 1.
DT 25-MAY-2022, entry version 78.
DE RecName: Full=Alkyl hydroperoxide reductase AhpD {ECO:0000255|HAMAP-Rule:MF_01676};
DE EC=1.11.1.28 {ECO:0000255|HAMAP-Rule:MF_01676};
DE AltName: Full=Alkylhydroperoxidase AhpD {ECO:0000255|HAMAP-Rule:MF_01676};
GN Name=ahpD {ECO:0000255|HAMAP-Rule:MF_01676}; OrderedLocusNames=Oant_3831;
OS Brucella anthropi (strain ATCC 49188 / DSM 6882 / CCUG 24695 / JCM 21032 /
OS LMG 3331 / NBRC 15819 / NCTC 12168 / Alc 37) (Ochrobactrum anthropi).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC Brucellaceae; Brucella/Ochrobactrum group; Brucella.
OX NCBI_TaxID=439375;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=ATCC 49188 / DSM 6882 / CCUG 24695 / JCM 21032 / LMG 3331 / NBRC
RC 15819 / NCTC 12168 / Alc 37;
RX PubMed=21685287; DOI=10.1128/jb.05335-11;
RA Chain P.S., Lang D.M., Comerci D.J., Malfatti S.A., Vergez L.M., Shin M.,
RA Ugalde R.A., Garcia E., Tolmasky M.E.;
RT "Genome of Ochrobactrum anthropi ATCC 49188 T, a versatile opportunistic
RT pathogen and symbiont of several eukaryotic hosts.";
RL J. Bacteriol. 193:4274-4275(2011).
CC -!- FUNCTION: Antioxidant protein with alkyl hydroperoxidase activity.
CC Required for the reduction of the AhpC active site cysteine residues
CC and for the regeneration of the AhpC enzyme activity.
CC {ECO:0000255|HAMAP-Rule:MF_01676}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=(R)-N(6)-dihydrolipoyl-L-lysyl-[lipoyl-carrier protein] + a
CC hydroperoxide = (R)-N(6)-lipoyl-L-lysyl-[lipoyl-carrier protein] + an
CC alcohol + H2O; Xref=Rhea:RHEA:62636, Rhea:RHEA-COMP:10502, Rhea:RHEA-
CC COMP:16355, ChEBI:CHEBI:15377, ChEBI:CHEBI:30879, ChEBI:CHEBI:35924,
CC ChEBI:CHEBI:83099, ChEBI:CHEBI:83100; EC=1.11.1.28;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01676};
CC -!- SIMILARITY: Belongs to the AhpD family. {ECO:0000255|HAMAP-
CC Rule:MF_01676}.
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DR EMBL; CP000759; ABS16537.1; -; Genomic_DNA.
DR RefSeq; WP_010659017.1; NC_009668.1.
DR AlphaFoldDB; A6X5N3; -.
DR SMR; A6X5N3; -.
DR STRING; 439375.Oant_3831; -.
DR EnsemblBacteria; ABS16537; ABS16537; Oant_3831.
DR GeneID; 61315154; -.
DR KEGG; oan:Oant_3831; -.
DR eggNOG; COG2128; Bacteria.
DR HOGENOM; CLU_105328_0_0_5; -.
DR OMA; AIMAMNN; -.
DR OrthoDB; 1427837at2; -.
DR PhylomeDB; A6X5N3; -.
DR Proteomes; UP000002301; Chromosome 2.
DR GO; GO:0008785; F:alkyl hydroperoxide reductase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0032843; F:hydroperoxide reductase activity; IEA:InterPro.
DR GO; GO:0004601; F:peroxidase activity; IEA:UniProtKB-KW.
DR GO; GO:0051920; F:peroxiredoxin activity; IEA:InterPro.
DR GO; GO:0006979; P:response to oxidative stress; IEA:InterPro.
DR Gene3D; 1.20.1290.10; -; 1.
DR HAMAP; MF_01676; AhpD; 1.
DR InterPro; IPR004674; AhpD.
DR InterPro; IPR029032; AhpD-like.
DR InterPro; IPR004675; AhpD_core.
DR InterPro; IPR003779; CMD-like.
DR Pfam; PF02627; CMD; 1.
DR SUPFAM; SSF69118; SSF69118; 1.
DR TIGRFAMs; TIGR00777; ahpD; 1.
DR TIGRFAMs; TIGR00778; ahpD_dom; 1.
PE 3: Inferred from homology;
KW Antioxidant; Disulfide bond; Oxidoreductase; Peroxidase;
KW Redox-active center; Reference proteome.
FT CHAIN 1..175
FT /note="Alkyl hydroperoxide reductase AhpD"
FT /id="PRO_0000359503"
FT ACT_SITE 131
FT /note="Proton donor"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01676"
FT ACT_SITE 134
FT /note="Cysteine sulfenic acid (-SOH) intermediate"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01676"
FT DISULFID 131..134
FT /evidence="ECO:0000250"
FT DISULFID 134
FT /note="Interchain (with AhpC); in linked form"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01676"
SQ SEQUENCE 175 AA; 18873 MW; 0068BB78EF0D1833 CRC64;
MSIDDLKSKI PDFAKDVRLN LSSMASDETL TPQQKYGLFV ACGIASRNAD VRKALVAEAA
AKVDASVIQA AKSAASIMGM NNVYYRFVHL ATNKDYRTMP AKLRMNVIGN PGVDKIDFEL
WSLAVSAING CGMCIDAHED VLRKANVTSE TIQTAVRFAS IIQSVAIALE AADTE
