ID A0A1H9PDH2_9CORY Unreviewed; 166 AA.
AC A0A1H9PDH2;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 24-JAN-2024, entry version 25.
DE RecName: Full=Thiol peroxidase {ECO:0000256|HAMAP-Rule:MF_00269};
DE Short=Tpx {ECO:0000256|HAMAP-Rule:MF_00269};
DE EC=1.11.1.24 {ECO:0000256|HAMAP-Rule:MF_00269};
DE AltName: Full=Peroxiredoxin tpx {ECO:0000256|HAMAP-Rule:MF_00269};
DE Short=Prx {ECO:0000256|HAMAP-Rule:MF_00269};
DE AltName: Full=Thioredoxin peroxidase {ECO:0000256|HAMAP-Rule:MF_00269};
DE AltName: Full=Thioredoxin-dependent peroxiredoxin {ECO:0000256|HAMAP-Rule:MF_00269};
GN Name=tpx {ECO:0000256|HAMAP-Rule:MF_00269};
GN ORFNames=SAMN05661109_00306 {ECO:0000313|EMBL:SER46276.1};
OS Corynebacterium cystitidis DSM 20524.
OC Bacteria; Actinomycetota; Actinomycetes; Mycobacteriales;
OC Corynebacteriaceae; Corynebacterium.
OX NCBI_TaxID=1121357 {ECO:0000313|EMBL:SER46276.1, ECO:0000313|Proteomes:UP000198929};
RN [1] {ECO:0000313|EMBL:SER46276.1, ECO:0000313|Proteomes:UP000198929}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 20524 {ECO:0000313|EMBL:SER46276.1,
RC ECO:0000313|Proteomes:UP000198929};
RA de Groot N.N.;
RL Submitted (OCT-2016) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Thiol-specific peroxidase that catalyzes the reduction of
CC hydrogen peroxide and organic hydroperoxides to water and alcohols,
CC respectively. Plays a role in cell protection against oxidative stress
CC by detoxifying peroxides. {ECO:0000256|HAMAP-Rule:MF_00269}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=[thioredoxin]-dithiol + a hydroperoxide = [thioredoxin]-
CC disulfide + an alcohol + H2O; Xref=Rhea:RHEA:62620, Rhea:RHEA-
CC COMP:10698, Rhea:RHEA-COMP:10700, ChEBI:CHEBI:15377,
CC ChEBI:CHEBI:29950, ChEBI:CHEBI:30879, ChEBI:CHEBI:35924,
CC ChEBI:CHEBI:50058; EC=1.11.1.24; Evidence={ECO:0000256|HAMAP-
CC Rule:MF_00269};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_00269}.
CC -!- SIMILARITY: Belongs to the peroxiredoxin family. Tpx subfamily.
CC {ECO:0000256|HAMAP-Rule:MF_00269}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_00269}.
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DR EMBL; FOGQ01000001; SER46276.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H9PDH2; -.
DR STRING; 1121357.SAMN05661109_00306; -.
DR Proteomes; UP000198929; Unassembled WGS sequence.
DR GO; GO:0008379; F:thioredoxin peroxidase activity; IEA:UniProtKB-UniRule.
DR CDD; cd03014; PRX_Atyp2cys; 1.
DR Gene3D; 3.40.30.10; Glutaredoxin; 1.
DR HAMAP; MF_00269; Tpx; 1.
DR InterPro; IPR013740; Redoxin.
DR InterPro; IPR036249; Thioredoxin-like_sf.
DR InterPro; IPR013766; Thioredoxin_domain.
DR InterPro; IPR002065; TPX.
DR PANTHER; PTHR43110; THIOL PEROXIDASE; 1.
DR PANTHER; PTHR43110:SF1; THIOL PEROXIDASE; 1.
DR Pfam; PF08534; Redoxin; 1.
DR SUPFAM; SSF52833; Thioredoxin-like; 1.
DR PROSITE; PS51352; THIOREDOXIN_2; 1.
PE 3: Inferred from homology;
KW Antioxidant {ECO:0000256|HAMAP-Rule:MF_00269};
KW Oxidoreductase {ECO:0000256|HAMAP-Rule:MF_00269};
KW Peroxidase {ECO:0000256|HAMAP-Rule:MF_00269, ECO:0000313|EMBL:SER46276.1};
KW Redox-active center {ECO:0000256|HAMAP-Rule:MF_00269}.
FT DOMAIN 18..166
FT /note="Thioredoxin"
FT /evidence="ECO:0000259|PROSITE:PS51352"
FT REGION 1..22
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 60
FT /note="Cysteine sulfenic acid (-SOH) intermediate"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_00269"
SQ SEQUENCE 166 AA; 17825 MW; 25B20491B9FA8E0D CRC64;
MANVTFDSAP ATTAGELPAK GDQLPSFELV GTDLSAVTDK DFQGKRLVLN IFPSLDTGVC
ANSVREFNKR AQDLGDDTVV VNISKDLPFA QDRFLEDNGV DNVTTGSAFR SSFGEDFGVT
LQDSPLQGLL SRSVVVTDTD HKVVHTELVS EITTEPNYDA AIDALK
//