ID F4XQ76_9CYAN Unreviewed; 448 AA.
AC F4XQ76;
DT 28-JUN-2011, integrated into UniProtKB/TrEMBL.
DT 28-JUN-2011, sequence version 1.
DT 24-JAN-2024, entry version 55.
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 ORFNames=LYNGBM3L_38490 {ECO:0000313|EMBL:EGJ33253.1};
OS Moorena producens 3L.
OC Bacteria; Cyanobacteriota; Cyanophyceae; Oscillatoriophycideae;
OC Oscillatoriales; Oscillatoriaceae; Moorena.
OX NCBI_TaxID=489825 {ECO:0000313|EMBL:EGJ33253.1, ECO:0000313|Proteomes:UP000003959};
RN [1] {ECO:0000313|Proteomes:UP000003959}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=3L {ECO:0000313|Proteomes:UP000003959};
RX PubMed=21555588; DOI=10.1073/pnas.1101137108;
RA Jones A.C., Monroe E.A., Podell S., Hess W.R., Klages S., Esquenazi E.,
RA Niessen S., Hoover H., Rothmann M., Lasken R.S., Yates J.R.III.,
RA Reinhardt R., Kube M., Burkart M.D., Allen E.E., Dorrestein P.C.,
RA Gerwick W.H., Gerwick L.;
RT "Genomic insights into the physiology and ecology of the marine filamentous
RT cyanobacterium Lyngbya majuscula.";
RL Proc. Natl. Acad. Sci. U.S.A. 108:8815-8820(2011).
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; GL890853; EGJ33253.1; -; Genomic_DNA.
DR RefSeq; WP_008182520.1; NZ_MKZR01000001.1.
DR AlphaFoldDB; F4XQ76; -.
DR eggNOG; COG1249; Bacteria.
DR HOGENOM; CLU_016755_2_1_3; -.
DR OrthoDB; 9807946at2; -.
DR Proteomes; UP000003959; Unassembled WGS sequence.
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}.
FT DOMAIN 5..318
FT /note="FAD/NAD(P)-binding"
FT /evidence="ECO:0000259|Pfam:PF07992"
FT DOMAIN 338..447
FT /note="Pyridine nucleotide-disulphide oxidoreductase
FT dimerisation"
FT /evidence="ECO:0000259|Pfam:PF02852"
FT ACT_SITE 437
FT /note="Proton acceptor"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-2"
FT BINDING 51
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT BINDING 173..180
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 303
FT /ligand="FAD"
FT /ligand_id="ChEBI:CHEBI:57692"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-3"
FT DISULFID 42..47
FT /note="Redox-active"
FT /evidence="ECO:0000256|PIRSR:PIRSR000350-4"
SQ SEQUENCE 448 AA; 48528 MW; 4E8F7008B41B9924 CRC64;
MSYDFDLFVI GAGSGGIATA RRAAEYGAKV GIAEFDRLGG TCVNRGCIPK KLMVYASHFP
DQFEEAQGYG WSKVHSTLDW TTMITAVNQE TERLNSIYQR MLDKSKVELF QGYAKFADSH
TIDIGGRKVT AHKILIAVGA HPVKPDIPGI EHAITSDDIF HLKEQPKRIV ILGGGYIGVE
FACILNGLGS EVTVVIRRDQ ILRGFDAEIG SEIQQAMEKH GIRVLNNSRI IAIEKTSAGL
NVTVQGESQT SIIADAVSLA ATGRIPNIQN LGLENTGVAI ENGAIAVDKY SLTTEDHIFA
VGDCTNRMNL TPVAINEGRA FADTVFGGKS RIMSYENVPT AIFTTPEAAT VGLSEAEARD
KYGDAVKVYR SRFRPMYYTL PGRDEKTLMK LVVDQNTDKV LGAHMVGDHA AEIIQGIAIA
LKTGATKANF DATVGIHPSS AEEFVTMR
//
