ID Q1QN93_NITHX Unreviewed; 461 AA.
AC Q1QN93;
DT 16-MAY-2006, integrated into UniProtKB/TrEMBL.
DT 16-MAY-2006, sequence version 1.
DT 27-MAR-2024, entry version 116.
DE RecName: Full=Glutathione reductase {ECO:0000256|RuleBase:RU365040};
DE Short=GRase {ECO:0000256|RuleBase:RU365040};
DE EC=1.8.1.7 {ECO:0000256|RuleBase:RU365040};
GN OrderedLocusNames=Nham_1482 {ECO:0000313|EMBL:ABE62304.1};
OS Nitrobacter hamburgensis (strain DSM 10229 / NCIMB 13809 / X14).
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Hyphomicrobiales;
OC Nitrobacteraceae; Nitrobacter.
OX NCBI_TaxID=323097 {ECO:0000313|EMBL:ABE62304.1, ECO:0000313|Proteomes:UP000001953};
RN [1] {ECO:0000313|EMBL:ABE62304.1, ECO:0000313|Proteomes:UP000001953}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 10229 / NCIMB 13809 / X14
RC {ECO:0000313|Proteomes:UP000001953};
RG US DOE Joint Genome Institute;
RA Copeland A., Lucas S., Lapidus A., Barry K., Detter J.C.,
RA Glavina del Rio T., Hammon N., Israni S., Dalin E., Tice H., Pitluck S.,
RA Chain P., Malfatti S., Shin M., Vergez L., Schmutz J., Larimer F., Land M.,
RA Hauser L., Kyrpides N., Ivanova N., Ward B., Arp D., Klotz M., Stein L.,
RA O'Mullan G., Starkenburg S., Sayavedra L., Poret-Peterson A.T.,
RA Gentry M.E., Bruce D., Richardson P.;
RT "Complete sequence of chromosome of Nitrobacter hamburgensis X14.";
RL Submitted (MAR-2006) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Maintains high levels of reduced glutathione.
CC {ECO:0000256|RuleBase:RU365040}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 glutathione + NADP(+) = glutathione disulfide + H(+) +
CC NADPH; Xref=Rhea:RHEA:11740, ChEBI:CHEBI:15378, ChEBI:CHEBI:57783,
CC ChEBI:CHEBI:57925, ChEBI:CHEBI:58297, ChEBI:CHEBI:58349; EC=1.8.1.7;
CC Evidence={ECO:0000256|ARBA:ARBA00000669,
CC ECO:0000256|RuleBase:RU365040};
CC -!- COFACTOR:
CC Name=FAD; Xref=ChEBI:CHEBI:57692;
CC Evidence={ECO:0000256|PIRSR:PIRSR000350-3};
CC Note=Binds 1 FAD per subunit. {ECO:0000256|PIRSR:PIRSR000350-3};
CC -!- SIMILARITY: Belongs to the class-I pyridine nucleotide-disulfide
CC oxidoreductase family. {ECO:0000256|ARBA:ARBA00007532,
CC ECO:0000256|RuleBase:RU003691}.
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DR EMBL; CP000319; ABE62304.1; -; Genomic_DNA.
DR RefSeq; WP_011509994.1; NC_007964.1.
DR AlphaFoldDB; Q1QN93; -.
DR STRING; 323097.Nham_1482; -.
DR KEGG; nha:Nham_1482; -.
DR eggNOG; COG1249; Bacteria.
DR HOGENOM; CLU_016755_2_1_5; -.
DR OrthoDB; 9776382at2; -.
DR Proteomes; UP000001953; Chromosome.
DR GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:InterPro.
DR GO; GO:0004362; F:glutathione-disulfide reductase (NADP) activity; IEA:UniProtKB-EC.
DR GO; GO:0050661; F:NADP binding; IEA:InterPro.
DR GO; GO:0045454; P:cell redox homeostasis; IEA:InterPro.
DR GO; GO:0006749; P:glutathione metabolic process; IEA:InterPro.
DR Gene3D; 3.30.390.30; -; 1.
DR Gene3D; 3.50.50.60; FAD/NAD(P)-binding domain; 2.
DR InterPro; IPR036188; FAD/NAD-bd_sf.
DR InterPro; IPR023753; FAD/NAD-binding_dom.
DR InterPro; IPR016156; FAD/NAD-linked_Rdtase_dimer_sf.
DR InterPro; IPR006324; GSHR.
DR InterPro; IPR046952; GSHR/TRXR-like.
DR InterPro; IPR001100; Pyr_nuc-diS_OxRdtase.
DR InterPro; IPR004099; Pyr_nucl-diS_OxRdtase_dimer.
DR InterPro; IPR012999; Pyr_OxRdtase_I_AS.
DR NCBIfam; TIGR01424; gluta_reduc_2; 1.
DR PANTHER; PTHR42737; GLUTATHIONE REDUCTASE; 1.
DR PANTHER; PTHR42737:SF2; GLUTATHIONE REDUCTASE; 1.
DR Pfam; PF07992; Pyr_redox_2; 1.
DR Pfam; PF02852; Pyr_redox_dim; 1.
DR PIRSF; PIRSF000350; Mercury_reductase_MerA; 1.
DR PRINTS; PR00368; FADPNR.
DR PRINTS; PR00411; PNDRDTASEI.
DR SUPFAM; SSF51905; FAD/NAD(P)-binding domain; 1.
DR SUPFAM; SSF55424; FAD/NAD-linked reductases, dimerisation (C-terminal) domain; 1.
DR PROSITE; PS00076; PYRIDINE_REDOX_1; 1.
PE 3: Inferred from homology;
KW FAD {ECO:0000256|ARBA:ARBA00022827, ECO:0000256|PIRSR:PIRSR000350-3};
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630,
KW ECO:0000256|RuleBase:RU003691}; NAD {ECO:0000256|PIRSR:PIRSR000350-3};
KW NADP {ECO:0000256|RuleBase:RU365040};
KW Nucleotide-binding {ECO:0000256|PIRSR:PIRSR000350-3};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002,
KW ECO:0000256|RuleBase:RU003691};
KW Redox-active center {ECO:0000256|ARBA:ARBA00023284,
KW ECO:0000256|RuleBase:RU003691};
KW Reference proteome {ECO:0000313|Proteomes:UP000001953}.
FT DOMAIN 7..320
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 340..448
FT /note="Pyridine nucleotide-disulphide oxidoreductase
FT dimerisation"
FT /evidence="ECO:0000259|Pfam:PF02852"
FT ACT_SITE 438
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-2"
FT BINDING 52
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 176..183
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 263
FT /ligand="NAD(+)"
FT /ligand_id="ChEBI:CHEBI:57540"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 305
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT DISULFID 43..48
FT /note="Redox-active"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-4"
SQ SEQUENCE 461 AA; 49517 MW; 8143D6504DDB608C CRC64;
MADFDVDLFV IGGGSGGVRA ARIAAGHGAR VMIAEEYRMG GTCVIRGCVP KKLLVYGSHI
RHDIEDAAGF GWSIPSARFD WPTLIANKDK EIARLEAAYT SNVEKAGARV VKTRAVFEDP
HTLRLATGET IRSKHVLIAT GGAPNHGRAI PGIEHVISSN EVFHLAELPK RIAIQGGGYI
ALEFACIFAG FGSDVTLIYR GDNILRGFDD DVRAHVRAEM EKDGITILTG CTVDRIDRHG
DEFTSHLSNG SSVASDQVLF AIGRHPSVAN LGLENAGVAI NPNNGGIAVD GFSQTNVPHI
YAVGDVTHRF NLTPVAIREG HAFADTVFGN KPTRVDHADI PTAVFSQPEV GTVGLTEAQA
RVQFTNVDIY KTTFRPMKAT MSGRDTRILM KLVVDATTDR VLGCHIVGDG AAEMVQVLGI
AIRMKATKAD FDATMALHPT AAEELVTMRT PTARYVREAA E
//