ID   NAMA_ALKHC              Reviewed;         338 AA.
AC   Q9KCT8;
DT   21-JUN-2005, integrated into UniProtKB/Swiss-Prot.
DT   01-OCT-2000, sequence version 1.
DT   03-AUG-2022, entry version 107.
DE   RecName: Full=NADPH dehydrogenase {ECO:0000255|HAMAP-Rule:MF_01614};
DE            EC=1.6.99.1 {ECO:0000255|HAMAP-Rule:MF_01614};
GN   Name=namA {ECO:0000255|HAMAP-Rule:MF_01614}; OrderedLocusNames=BH1481;
OS   Alkalihalobacillus halodurans (strain ATCC BAA-125 / DSM 18197 / FERM 7344
OS   / JCM 9153 / C-125) (Bacillus halodurans).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Bacillaceae; Alkalihalobacillus.
OX   NCBI_TaxID=272558;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-125 / DSM 18197 / FERM 7344 / JCM 9153 / C-125;
RX   PubMed=11058132; DOI=10.1093/nar/28.21.4317;
RA   Takami H., Nakasone K., Takaki Y., Maeno G., Sasaki R., Masui N., Fuji F.,
RA   Hirama C., Nakamura Y., Ogasawara N., Kuhara S., Horikoshi K.;
RT   "Complete genome sequence of the alkaliphilic bacterium Bacillus halodurans
RT   and genomic sequence comparison with Bacillus subtilis.";
RL   Nucleic Acids Res. 28:4317-4331(2000).
CC   -!- FUNCTION: Catalyzes the reduction of the double bond of an array of
CC       alpha,beta-unsaturated aldehydes and ketones. It also reduces the nitro
CC       group of nitroester and nitroaromatic compounds. It could have a role
CC       in detoxification processes. {ECO:0000255|HAMAP-Rule:MF_01614}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=A + H(+) + NADPH = AH2 + NADP(+); Xref=Rhea:RHEA:13149,
CC         ChEBI:CHEBI:13193, ChEBI:CHEBI:15378, ChEBI:CHEBI:17499,
CC         ChEBI:CHEBI:57783, ChEBI:CHEBI:58349; EC=1.6.99.1;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01614};
CC   -!- COFACTOR:
CC       Name=FMN; Xref=ChEBI:CHEBI:58210;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01614};
CC   -!- SUBUNIT: Homotetramer. {ECO:0000255|HAMAP-Rule:MF_01614}.
CC   -!- SIMILARITY: Belongs to the NADH:flavin oxidoreductase/NADH oxidase
CC       family. NamA subfamily. {ECO:0000255|HAMAP-Rule:MF_01614}.
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DR   EMBL; BA000004; BAB05200.1; -; Genomic_DNA.
DR   PIR; A83835; A83835.
DR   RefSeq; WP_010897646.1; NC_002570.2.
DR   AlphaFoldDB; Q9KCT8; -.
DR   SMR; Q9KCT8; -.
DR   STRING; 272558.10174098; -.
DR   EnsemblBacteria; BAB05200; BAB05200; BAB05200.
DR   KEGG; bha:BH1481; -.
DR   eggNOG; COG1902; Bacteria.
DR   HOGENOM; CLU_012153_2_1_9; -.
DR   OMA; NQRRDQY; -.
DR   OrthoDB; 1033671at2; -.
DR   Proteomes; UP000001258; Chromosome.
DR   GO; GO:0010181; F:FMN binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0050661; F:NADP binding; IEA:UniProtKB-UniRule.
DR   GO; GO:0003959; F:NADPH dehydrogenase activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0018548; F:pentaerythritol trinitrate reductase activity; IEA:UniProtKB-EC.
DR   GO; GO:0009636; P:response to toxic substance; IEA:UniProtKB-KW.
DR   CDD; cd02932; OYE_YqiM_FMN; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   HAMAP; MF_01614; NamA; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR023663; NADPH_DH_bac.
DR   InterPro; IPR001155; OxRdtase_FMN_N.
DR   InterPro; IPR044152; YqjM-like.
DR   PANTHER; PTHR43303; PTHR43303; 1.
DR   Pfam; PF00724; Oxidored_FMN; 1.
PE   3: Inferred from homology;
KW   Detoxification; Flavoprotein; FMN; NADP; Oxidoreductase;
KW   Reference proteome.
FT   CHAIN           1..338
FT                   /note="NADPH dehydrogenase"
FT                   /id="PRO_0000216116"
FT   BINDING         23..26
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01614"
FT   BINDING         28
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01614"
FT   BINDING         60
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01614"
FT   BINDING         102
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01614"
FT   BINDING         163..166
FT                   /ligand="substrate"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01614"
FT   BINDING         214
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01614"
FT   BINDING         306..307
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01614"
SQ   SEQUENCE   338 AA;  37170 MW;  AFC02D5B5595BEAF CRC64;
     MEHKLFSSYV VKGVTLKNRI VMSPMCMYSS DQKDGKIRPF HISHYESRAA GQVGLIIVEA
     TAVTPQGRIS PYDLGIWSDD HISGLTETVE RIHAHGAKAA IQLAHAGRKA ELDGPIIAPS
     AISYDKMKTP DAMTEEQISE TIEAFKLGAL RAKKAGFDII EIHGAHGYLI NEFLSPLTNK
     RTDAYGGSLE NRYRLLREII SEIQTVWDGP LFVRISAAEY AEGGNELSDF ITLAKWMKKQ
     GIDLIDCSSG AVVPAPIPVY PGYQVPLAEA IRHEANIATG AVGLITSGIQ AEEILQNERA
     DLIFVARELL RNPYWPREAA LELGTTISGP SQYDRAWL