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TRXB_LISIN
ID   TRXB_LISIN              Reviewed;         319 AA.
AC   Q928B5;
DT   23-JAN-2002, integrated into UniProtKB/Swiss-Prot.
DT   01-DEC-2001, sequence version 1.
DT   03-AUG-2022, entry version 121.
DE   RecName: Full=Thioredoxin reductase;
DE            Short=TRXR;
DE            EC=1.8.1.9;
GN   Name=trxB; OrderedLocusNames=lin2621;
OS   Listeria innocua serovar 6a (strain ATCC BAA-680 / CLIP 11262).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Listeriaceae; Listeria.
OX   NCBI_TaxID=272626;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-680 / CLIP 11262;
RX   PubMed=11679669; DOI=10.1126/science.1063447;
RA   Glaser P., Frangeul L., Buchrieser C., Rusniok C., Amend A., Baquero F.,
RA   Berche P., Bloecker H., Brandt P., Chakraborty T., Charbit A.,
RA   Chetouani F., Couve E., de Daruvar A., Dehoux P., Domann E.,
RA   Dominguez-Bernal G., Duchaud E., Durant L., Dussurget O., Entian K.-D.,
RA   Fsihi H., Garcia-del Portillo F., Garrido P., Gautier L., Goebel W.,
RA   Gomez-Lopez N., Hain T., Hauf J., Jackson D., Jones L.-M., Kaerst U.,
RA   Kreft J., Kuhn M., Kunst F., Kurapkat G., Madueno E., Maitournam A.,
RA   Mata Vicente J., Ng E., Nedjari H., Nordsiek G., Novella S., de Pablos B.,
RA   Perez-Diaz J.-C., Purcell R., Remmel B., Rose M., Schlueter T., Simoes N.,
RA   Tierrez A., Vazquez-Boland J.-A., Voss H., Wehland J., Cossart P.;
RT   "Comparative genomics of Listeria species.";
RL   Science 294:849-852(2001).
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=[thioredoxin]-dithiol + NADP(+) = [thioredoxin]-disulfide +
CC         H(+) + NADPH; Xref=Rhea:RHEA:20345, Rhea:RHEA-COMP:10698, Rhea:RHEA-
CC         COMP:10700, ChEBI:CHEBI:15378, ChEBI:CHEBI:29950, ChEBI:CHEBI:50058,
CC         ChEBI:CHEBI:57783, ChEBI:CHEBI:58349; EC=1.8.1.9;
CC   -!- COFACTOR:
CC       Name=FAD; Xref=ChEBI:CHEBI:57692;
CC         Evidence={ECO:0000250|UniProtKB:P0A9P4};
CC       Note=Binds 1 FAD per subunit. {ECO:0000250|UniProtKB:P0A9P4};
CC   -!- SUBUNIT: Homodimer. {ECO:0000250|UniProtKB:P0A9P4}.
CC   -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000250}.
CC   -!- MISCELLANEOUS: The active site is a redox-active disulfide bond.
CC   -!- SIMILARITY: Belongs to the class-II pyridine nucleotide-disulfide
CC       oxidoreductase family. {ECO:0000305}.
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DR   EMBL; AL596173; CAC97848.1; -; Genomic_DNA.
DR   PIR; AH1759; AH1759.
DR   RefSeq; WP_003772358.1; NC_003212.1.
DR   AlphaFoldDB; Q928B5; -.
DR   SMR; Q928B5; -.
DR   STRING; 272626.lin2621; -.
DR   EnsemblBacteria; CAC97848; CAC97848; CAC97848.
DR   GeneID; 61171736; -.
DR   KEGG; lin:trxB; -.
DR   eggNOG; COG0492; Bacteria.
DR   HOGENOM; CLU_031864_5_1_9; -.
DR   OMA; VDNFPGY; -.
DR   OrthoDB; 692968at2; -.
DR   Proteomes; UP000002513; Chromosome.
DR   GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR   GO; GO:0004791; F:thioredoxin-disulfide reductase activity; IEA:UniProtKB-EC.
DR   GO; GO:0019430; P:removal of superoxide radicals; IEA:InterPro.
DR   Gene3D; 3.50.50.60; -; 2.
DR   InterPro; IPR036188; FAD/NAD-bd_sf.
DR   InterPro; IPR023753; FAD/NAD-binding_dom.
DR   InterPro; IPR008255; Pyr_nucl-diS_OxRdtase_2_AS.
DR   InterPro; IPR005982; Thioredox_Rdtase.
DR   Pfam; PF07992; Pyr_redox_2; 1.
DR   SUPFAM; SSF51905; SSF51905; 1.
DR   TIGRFAMs; TIGR01292; TRX_reduct; 1.
DR   PROSITE; PS00573; PYRIDINE_REDOX_2; 1.
PE   3: Inferred from homology;
KW   Cytoplasm; Disulfide bond; FAD; Flavoprotein; NADP; Oxidoreductase;
KW   Redox-active center.
FT   CHAIN           1..319
FT                   /note="Thioredoxin reductase"
FT                   /id="PRO_0000166735"
FT   BINDING         37..44
FT                   /ligand="FAD"
FT                   /ligand_id="ChEBI:CHEBI:57692"
FT                   /evidence="ECO:0000250|UniProtKB:P0A9P4"
FT   BINDING         279..288
FT                   /ligand="FAD"
FT                   /ligand_id="ChEBI:CHEBI:57692"
FT                   /evidence="ECO:0000250|UniProtKB:P0A9P4"
FT   DISULFID        136..139
FT                   /note="Redox-active"
FT                   /evidence="ECO:0000250|UniProtKB:P0A9P4"
SQ   SEQUENCE   319 AA;  34244 MW;  C77D54A952526CC1 CRC64;
     MASEEKIYDV IIIGAGPAGM TAALYTSRAD LDTLMIERGV PGGQMVNTAE VENYPGFDSI
     LGPDLSDKML SGAKQFGAEY AYGDIKEVID GKEFKTVTAG SKTYKARAII IATGAEHRKL
     GAAGEEELSG RGVSYCAVCD GAFFKNRELV VVGGGDSAVE EGTYLTRYAD KVTIVHRRDK
     LRAQQILQDR AFKDEKVDFI WNNTVEEIIG DGKKVTSVKL VSTVDGSESI MPVDGVFIYV
     GLVPLTKAFL SLGITDEEGY IVTDEEMRTN LPGIFAAGDV RAKSLRQIVT ATGDGGLAGQ
     NAQKYVEELK EALEAEAAK
 
 
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