ID F9QC84_9PAST Unreviewed; 194 AA.
AC F9QC84;
DT 19-OCT-2011, integrated into UniProtKB/TrEMBL.
DT 19-OCT-2011, sequence version 1.
DT 24-JAN-2024, entry version 46.
DE RecName: Full=FMN dependent NADH:quinone oxidoreductase {ECO:0000256|HAMAP-Rule:MF_01216};
DE EC=1.6.5.- {ECO:0000256|HAMAP-Rule:MF_01216};
DE AltName: Full=Azo-dye reductase {ECO:0000256|HAMAP-Rule:MF_01216};
DE AltName: Full=FMN-dependent NADH-azo compound oxidoreductase {ECO:0000256|HAMAP-Rule:MF_01216};
DE AltName: Full=FMN-dependent NADH-azoreductase {ECO:0000256|HAMAP-Rule:MF_01216};
DE EC=1.7.1.17 {ECO:0000256|HAMAP-Rule:MF_01216};
GN Name=azoR {ECO:0000256|HAMAP-Rule:MF_01216};
GN ORFNames=HMPREF9952_1092 {ECO:0000313|EMBL:EGV04860.1};
OS Haemophilus pittmaniae HK 85.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Pasteurellales;
OC Pasteurellaceae; Haemophilus.
OX NCBI_TaxID=1035188 {ECO:0000313|EMBL:EGV04860.1, ECO:0000313|Proteomes:UP000006235};
RN [1] {ECO:0000313|EMBL:EGV04860.1, ECO:0000313|Proteomes:UP000006235}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=HK 85 {ECO:0000313|EMBL:EGV04860.1,
RC ECO:0000313|Proteomes:UP000006235};
RA Harkins D.M., Madupu R., Durkin A.S., Torralba M., Methe B., Sutton G.G.,
RA Nelson K.E.;
RL Submitted (JUL-2011) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: Also exhibits azoreductase activity. Catalyzes the reductive
CC cleavage of the azo bond in aromatic azo compounds to the corresponding
CC amines. {ECO:0000256|HAMAP-Rule:MF_01216}.
CC -!- FUNCTION: Quinone reductase that provides resistance to thiol-specific
CC stress caused by electrophilic quinones. {ECO:0000256|HAMAP-
CC Rule:MF_01216}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=2 a quinone + H(+) + NADH = 2 a 1,4-benzosemiquinone + NAD(+);
CC Xref=Rhea:RHEA:65952, ChEBI:CHEBI:15378, ChEBI:CHEBI:57540,
CC ChEBI:CHEBI:57945, ChEBI:CHEBI:132124, ChEBI:CHEBI:134225;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01216};
CC -!- CATALYTIC ACTIVITY:
CC Reaction=anthranilate + N,N-dimethyl-1,4-phenylenediamine + 2 NAD(+) =
CC 2-(4-dimethylaminophenyl)diazenylbenzoate + 2 H(+) + 2 NADH;
CC Xref=Rhea:RHEA:55872, ChEBI:CHEBI:15378, ChEBI:CHEBI:15783,
CC ChEBI:CHEBI:16567, ChEBI:CHEBI:57540, ChEBI:CHEBI:57945,
CC ChEBI:CHEBI:71579; EC=1.7.1.17;
CC Evidence={ECO:0000256|ARBA:ARBA00023925};
CC PhysiologicalDirection=right-to-left; Xref=Rhea:RHEA:55874;
CC Evidence={ECO:0000256|ARBA:ARBA00023925};
CC -!- COFACTOR:
CC Name=FMN; Xref=ChEBI:CHEBI:58210;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01216};
CC Note=Binds 1 FMN per subunit. {ECO:0000256|HAMAP-Rule:MF_01216};
CC -!- SUBUNIT: Homodimer. {ECO:0000256|HAMAP-Rule:MF_01216}.
CC -!- SIMILARITY: Belongs to the azoreductase type 1 family.
CC {ECO:0000256|HAMAP-Rule:MF_01216}.
CC -!- CAUTION: Lacks conserved residue(s) required for the propagation of
CC feature annotation. {ECO:0000256|HAMAP-Rule:MF_01216}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:EGV04860.1}.
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DR EMBL; AFUV01000025; EGV04860.1; -; Genomic_DNA.
DR AlphaFoldDB; F9QC84; -.
DR STRING; 1035188.HMPREF9952_1092; -.
DR Proteomes; UP000006235; Unassembled WGS sequence.
DR GO; GO:0009055; F:electron transfer activity; IEA:UniProtKB-UniRule.
DR GO; GO:0010181; F:FMN binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016652; F:oxidoreductase activity, acting on NAD(P)H, NAD(P) as acceptor; IEA:UniProtKB-UniRule.
DR GO; GO:0016655; F:oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor; IEA:InterPro.
DR Gene3D; 3.40.50.360; -; 1.
DR HAMAP; MF_01216; Azoreductase_type1; 1.
DR InterPro; IPR003680; Flavodoxin_fold.
DR InterPro; IPR029039; Flavoprotein-like_sf.
DR InterPro; IPR023048; NADH:quinone_OxRdtase_FMN_depd.
DR PANTHER; PTHR43741; FMN-DEPENDENT NADH-AZOREDUCTASE 1; 1.
DR PANTHER; PTHR43741:SF2; FMN-DEPENDENT NADH:QUINONE OXIDOREDUCTASE; 1.
DR Pfam; PF02525; Flavodoxin_2; 1.
DR SUPFAM; SSF52218; Flavoproteins; 1.
PE 3: Inferred from homology;
KW Flavoprotein {ECO:0000256|ARBA:ARBA00022630, ECO:0000256|HAMAP-
KW Rule:MF_01216};
KW FMN {ECO:0000256|ARBA:ARBA00022643, ECO:0000256|HAMAP-Rule:MF_01216};
KW NAD {ECO:0000256|ARBA:ARBA00023027, ECO:0000256|HAMAP-Rule:MF_01216};
KW Oxidoreductase {ECO:0000256|ARBA:ARBA00023002, ECO:0000256|HAMAP-
KW Rule:MF_01216}.
FT DOMAIN 2..189
FT /note="Flavodoxin-like fold"
FT /evidence="ECO:0000259|Pfam:PF02525"
FT BINDING 10
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01216"
FT BINDING 90..93
FT /ligand="FMN"
FT /ligand_id="ChEBI:CHEBI:58210"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01216"
SQ SEQUENCE 194 AA; 20989 MW; 14BFA01F95CB8247 CRC64;
MKNVLVLKSS ILADNSQTNK LIDYSIEKLS GNHIVVRNLA TQPLPHFDAT AAVAVRGEPQ
SNEEKALLAL SDELVAELKA ADIIVIGAPM YNLGIPTQLK SYFDFIARPR VTFQYTANGP
EGLLKDKKAI VLAACGGMYD EDNNVTNYLK AILDFVGITD VQFAYAKGIG LGPEAIEKAQ
SSAKHKIDEI LATL
//