ID   NQOR_METC4              Reviewed;         199 AA.
AC   B7KQ28;
DT   28-JUL-2009, integrated into UniProtKB/Swiss-Prot.
DT   10-FEB-2009, sequence version 1.
DT   03-AUG-2022, entry version 72.
DE   RecName: Full=NAD(P)H dehydrogenase (quinone) {ECO:0000255|HAMAP-Rule:MF_01017};
DE            EC=1.6.5.2 {ECO:0000255|HAMAP-Rule:MF_01017};
DE   AltName: Full=Flavoprotein WrbA;
DE   AltName: Full=NAD(P)H:quinone oxidoreductase {ECO:0000255|HAMAP-Rule:MF_01017};
DE            Short=NQO {ECO:0000255|HAMAP-Rule:MF_01017};
GN   OrderedLocusNames=Mchl_4647;
OS   Methylorubrum extorquens (strain CM4 / NCIMB 13688) (Methylobacterium
OS   extorquens).
OC   Bacteria; Proteobacteria; Alphaproteobacteria; Hyphomicrobiales;
OC   Methylobacteriaceae; Methylorubrum.
OX   NCBI_TaxID=440085;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=CM4 / NCIMB 13688;
RG   US DOE Joint Genome Institute;
RA   Lucas S., Copeland A., Lapidus A., Glavina del Rio T., Dalin E., Tice H.,
RA   Bruce D., Goodwin L., Pitluck S., Chertkov O., Brettin T., Detter J.C.,
RA   Han C., Larimer F., Land M., Hauser L., Kyrpides N., Mikhailova N.,
RA   Marx C., Richardson P.;
RT   "Complete sequence of chromosome of Methylobacterium chloromethanicum
RT   CM4.";
RL   Submitted (DEC-2008) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a quinone + H(+) + NADH = a quinol + NAD(+);
CC         Xref=Rhea:RHEA:46160, ChEBI:CHEBI:15378, ChEBI:CHEBI:24646,
CC         ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:132124; EC=1.6.5.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01017};
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a quinone + H(+) + NADPH = a quinol + NADP(+);
CC         Xref=Rhea:RHEA:46164, ChEBI:CHEBI:15378, ChEBI:CHEBI:24646,
CC         ChEBI:CHEBI:57783, ChEBI:CHEBI:58349, ChEBI:CHEBI:132124; EC=1.6.5.2;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01017};
CC   -!- COFACTOR:
CC       Name=FMN; Xref=ChEBI:CHEBI:58210;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01017};
CC       Note=Binds 1 FMN per monomer. {ECO:0000255|HAMAP-Rule:MF_01017};
CC   -!- SIMILARITY: Belongs to the WrbA family. {ECO:0000255|HAMAP-
CC       Rule:MF_01017}.
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DR   EMBL; CP001298; ACK85421.1; -; Genomic_DNA.
DR   RefSeq; WP_003607417.1; NC_011757.1.
DR   AlphaFoldDB; B7KQ28; -.
DR   SMR; B7KQ28; -.
DR   EnsemblBacteria; ACK85421; ACK85421; Mchl_4647.
DR   KEGG; mch:Mchl_4647; -.
DR   HOGENOM; CLU_051402_0_2_5; -.
DR   OMA; KFADGNP; -.
DR   BioCyc; MEXT440085:MCHL_RS22630-MON; -.
DR   Proteomes; UP000002385; Chromosome.
DR   GO; GO:0050660; F:flavin adenine dinucleotide binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0010181; F:FMN binding; IEA:InterPro.
DR   GO; GO:0051287; F:NAD binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0050136; F:NADH dehydrogenase (quinone) activity; IEA:RHEA.
DR   GO; GO:0050661; F:NADP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0008753; F:NADPH dehydrogenase (quinone) activity; IEA:RHEA.
DR   Gene3D; 3.40.50.360; -; 1.
DR   HAMAP; MF_01017; NQOR; 1.
DR   InterPro; IPR008254; Flavodoxin/NO_synth.
DR   InterPro; IPR029039; Flavoprotein-like_sf.
DR   InterPro; IPR010089; Flavoprotein_WrbA-like.
DR   InterPro; IPR005025; FMN_Rdtase-like.
DR   InterPro; IPR037513; NQO.
DR   Pfam; PF03358; FMN_red; 1.
DR   SUPFAM; SSF52218; SSF52218; 1.
DR   TIGRFAMs; TIGR01755; flav_wrbA; 1.
DR   PROSITE; PS50902; FLAVODOXIN_LIKE; 1.
PE   3: Inferred from homology;
KW   Flavoprotein; FMN; NAD; NADP; Nucleotide-binding; Oxidoreductase.
FT   CHAIN           1..199
FT                   /note="NAD(P)H dehydrogenase (quinone)"
FT                   /id="PRO_1000149011"
FT   DOMAIN          4..190
FT                   /note="Flavodoxin-like"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01017"
FT   BINDING         10..15
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01017"
FT   BINDING         12
FT                   /ligand="NAD(+)"
FT                   /ligand_id="ChEBI:CHEBI:57540"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01017"
FT   BINDING         78..80
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01017"
FT   BINDING         98
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01017"
FT   BINDING         113..119
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01017"
FT   BINDING         134
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01017"
SQ   SEQUENCE   199 AA;  21156 MW;  8C4B75D7F0C85AE3 CRC64;
     MAKVLVLYYS SWGHVEQMAK AVAEGARETG AEVALKRVPE LVPDEVAKQF HYKLDQEAPI
     ATVEELADYD AIIFGTPTRY GNMASQMKQF IDQTGGLWAK GALVGKVGSA FTSTASQHGG
     QETTLTSFHT VLFHHGMVVV GLPYSFAGQN GVEQVKGNSP YGATTIADGD GSRQPSEVEL
     DGARFQGRHV AGIAAKLAG