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NMO_STAAN
ID   NMO_STAAN               Reviewed;         355 AA.
AC   Q99VF6;
DT   20-JAN-2009, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-2001, sequence version 1.
DT   03-AUG-2022, entry version 102.
DE   RecName: Full=Probable nitronate monooxygenase;
DE            Short=NMO;
DE            EC=1.13.12.- {ECO:0000250|UniProtKB:Q9HWH9};
DE   AltName: Full=Propionate 3-nitronate monooxygenase;
DE            Short=P3N monooxygenase;
GN   OrderedLocusNames=SA0781;
OS   Staphylococcus aureus (strain N315).
OC   Bacteria; Firmicutes; Bacilli; Bacillales; Staphylococcaceae;
OC   Staphylococcus.
OX   NCBI_TaxID=158879;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=N315;
RX   PubMed=11418146; DOI=10.1016/s0140-6736(00)04403-2;
RA   Kuroda M., Ohta T., Uchiyama I., Baba T., Yuzawa H., Kobayashi I., Cui L.,
RA   Oguchi A., Aoki K., Nagai Y., Lian J.-Q., Ito T., Kanamori M.,
RA   Matsumaru H., Maruyama A., Murakami H., Hosoyama A., Mizutani-Ui Y.,
RA   Takahashi N.K., Sawano T., Inoue R., Kaito C., Sekimizu K., Hirakawa H.,
RA   Kuhara S., Goto S., Yabuzaki J., Kanehisa M., Yamashita A., Oshima K.,
RA   Furuya K., Yoshino C., Shiba T., Hattori M., Ogasawara N., Hayashi H.,
RA   Hiramatsu K.;
RT   "Whole genome sequencing of meticillin-resistant Staphylococcus aureus.";
RL   Lancet 357:1225-1240(2001).
CC   -!- FUNCTION: Nitronate monooxygenase that uses molecular oxygen to
CC       catalyze the oxidative denitrification of alkyl nitronates. Acts on
CC       propionate 3-nitronate (P3N), the presumed physiological substrate.
CC       Probably functions in the detoxification of P3N, a metabolic poison
CC       produced by plants and fungi as a defense mechanism.
CC       {ECO:0000250|UniProtKB:Q9HWH9}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=H2O + 3 O2 + 3 propionate 3-nitronate = 3 3-oxopropanoate + 3
CC         H(+) + H2O2 + 2 nitrate + nitrite; Xref=Rhea:RHEA:57332,
CC         ChEBI:CHEBI:15377, ChEBI:CHEBI:15378, ChEBI:CHEBI:15379,
CC         ChEBI:CHEBI:16240, ChEBI:CHEBI:16301, ChEBI:CHEBI:17632,
CC         ChEBI:CHEBI:33190, ChEBI:CHEBI:136067;
CC         Evidence={ECO:0000250|UniProtKB:D0V3Y4};
CC   -!- COFACTOR:
CC       Name=FMN; Xref=ChEBI:CHEBI:58210;
CC         Evidence={ECO:0000250|UniProtKB:Q9HWH9};
CC       Note=Binds 1 FMN per subunit. {ECO:0000250|UniProtKB:Q9HWH9};
CC   -!- MISCELLANEOUS: P3N is a potent irreversible inhibitor of the key enzyme
CC       succinate dehydrogenase in the Krebs cycle and electron transport
CC       chain. P3N has been shown to be a toxic metabolite to bacteria, plants,
CC       fungi, mammals or any organism that uses succinate dehydrogenase.
CC       {ECO:0000305}.
CC   -!- SIMILARITY: Belongs to the nitronate monooxygenase family. NMO class I
CC       subfamily. {ECO:0000305}.
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DR   EMBL; BA000018; BAB42020.1; -; Genomic_DNA.
DR   PIR; A89858; A89858.
DR   RefSeq; WP_000267236.1; NC_002745.2.
DR   AlphaFoldDB; Q99VF6; -.
DR   SMR; Q99VF6; -.
DR   EnsemblBacteria; BAB42020; BAB42020; BAB42020.
DR   KEGG; sau:SA0781; -.
DR   HOGENOM; CLU_038732_5_1_9; -.
DR   OMA; MDNARPF; -.
DR   Proteomes; UP000000751; Chromosome.
DR   GO; GO:0018580; F:nitronate monooxygenase activity; IEA:InterPro.
DR   GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW.
DR   GO; GO:0009636; P:response to toxic substance; IEA:UniProtKB-KW.
DR   CDD; cd04730; NPD_like; 1.
DR   Gene3D; 3.20.20.70; -; 1.
DR   InterPro; IPR013785; Aldolase_TIM.
DR   InterPro; IPR004136; NMO.
DR   Pfam; PF03060; NMO; 1.
PE   3: Inferred from homology;
KW   Detoxification; Flavoprotein; FMN; Monooxygenase; Nucleotide-binding;
KW   Oxidoreductase.
FT   CHAIN           1..355
FT                   /note="Probable nitronate monooxygenase"
FT                   /id="PRO_0000360897"
FT   BINDING         71
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250|UniProtKB:Q9HWH9"
FT   BINDING         175
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250|UniProtKB:Q9HWH9"
FT   BINDING         180
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250|UniProtKB:Q9HWH9"
FT   BINDING         218
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250|UniProtKB:Q9HWH9"
FT   BINDING         237..240
FT                   /ligand="FMN"
FT                   /ligand_id="ChEBI:CHEBI:58210"
FT                   /evidence="ECO:0000250|UniProtKB:Q9HWH9"
SQ   SEQUENCE   355 AA;  38634 MW;  6B64191B9A986085 CRC64;
     MWNKNRLTQM LSIEYPIIQA GMAGSTTPKL VASVSNSGGL GTIGAGYFNT QQLEDEIDYV
     RQLTSNSFGV NVFVPSQQSY TSSQIENMNA WLKPYRRALH LEEPVVKIIE EQQFKCHIDT
     IIKKQVPVCC FTFGIPNESI IERLKEANIK LIGTATSVDE AIANEKAGMD AIVAQGSEAG
     GHRGSFLKPK NQLPMVGTIS LVPQIVDVVS IPVIAAGGIM DGRGVLASIV LGAEGVQMGT
     AFLTSQDSNA SELLRDAIIN SKETDTVVTK AFSGKLARGI NNRFIEEMSQ YEGDIPDYPI
     QNELTSSIRK AAANIGDKEL THMWSGQSPR LATTHPANTI MSNIINQINQ IMQYK
 
 
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