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Database: UniProt
Entry: A0A1N7MU14_9GAMM
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ID   A0A1N7MU14_9GAMM        Unreviewed;      1249 AA.
AC   A0A1N7MU14;
DT   15-MAR-2017, integrated into UniProtKB/TrEMBL.
DT   15-MAR-2017, sequence version 1.
DT   24-JAN-2024, entry version 41.
DE   RecName: Full=nitrate reductase (quinone) {ECO:0000256|ARBA:ARBA00012500};
DE            EC=1.7.5.1 {ECO:0000256|ARBA:ARBA00012500};
GN   ORFNames=SAMN05421760_1076 {ECO:0000313|EMBL:SIS89570.1};
OS   Neptunomonas antarctica.
OC   Bacteria; Pseudomonadota; Gammaproteobacteria; Oceanospirillales;
OC   Oceanospirillaceae; Neptunomonas.
OX   NCBI_TaxID=619304 {ECO:0000313|EMBL:SIS89570.1, ECO:0000313|Proteomes:UP000185999};
RN   [1] {ECO:0000313|Proteomes:UP000185999}
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=DSM 22306 {ECO:0000313|Proteomes:UP000185999};
RA   Varghese N., Submissions S.;
RL   Submitted (JAN-2017) to the EMBL/GenBank/DDBJ databases.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a quinol + nitrate = a quinone + H2O + nitrite;
CC         Xref=Rhea:RHEA:56144, ChEBI:CHEBI:15377, ChEBI:CHEBI:16301,
CC         ChEBI:CHEBI:17632, ChEBI:CHEBI:24646, ChEBI:CHEBI:132124; EC=1.7.5.1;
CC         Evidence={ECO:0000256|ARBA:ARBA00001854};
CC   -!- COFACTOR:
CC       Name=Mo-bis(molybdopterin guanine dinucleotide);
CC         Xref=ChEBI:CHEBI:60539; Evidence={ECO:0000256|ARBA:ARBA00001942};
CC   -!- COFACTOR:
CC       Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC         Evidence={ECO:0000256|ARBA:ARBA00001966};
CC   -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|ARBA:ARBA00004202};
CC       Peripheral membrane protein {ECO:0000256|ARBA:ARBA00004202}. Membrane
CC       {ECO:0000256|ARBA:ARBA00004170}; Peripheral membrane protein
CC       {ECO:0000256|ARBA:ARBA00004170}.
CC   -!- SIMILARITY: Belongs to the prokaryotic molybdopterin-containing
CC       oxidoreductase family. {ECO:0000256|ARBA:ARBA00010312}.
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DR   EMBL; FTOE01000007; SIS89570.1; -; Genomic_DNA.
DR   RefSeq; WP_054340699.1; NZ_LJSI01000027.1.
DR   AlphaFoldDB; A0A1N7MU14; -.
DR   STRING; 619304.SAMN05421760_1076; -.
DR   OrthoDB; 9759518at2; -.
DR   Proteomes; UP000185999; Unassembled WGS sequence.
DR   GO; GO:0009325; C:nitrate reductase complex; IEA:InterPro.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0051539; F:4 iron, 4 sulfur cluster binding; IEA:UniProtKB-KW.
DR   GO; GO:0046872; F:metal ion binding; IEA:UniProtKB-KW.
DR   GO; GO:0043546; F:molybdopterin cofactor binding; IEA:InterPro.
DR   GO; GO:0008940; F:nitrate reductase activity; IEA:InterPro.
DR   GO; GO:0042126; P:nitrate metabolic process; IEA:InterPro.
DR   CDD; cd02776; MopB_CT_Nitrate-R-NarG-like; 1.
DR   CDD; cd02750; MopB_Nitrate-R-NarG-like; 1.
DR   Gene3D; 3.40.50.12440; -; 1.
DR   Gene3D; 4.10.1200.10; nitrate reductase tail; 1.
DR   InterPro; IPR009010; Asp_de-COase-like_dom_sf.
DR   InterPro; IPR037943; MopB_CT_Nitrate-R-NarG-like.
DR   InterPro; IPR006657; MoPterin_dinucl-bd_dom.
DR   InterPro; IPR006656; Mopterin_OxRdtase.
DR   InterPro; IPR006963; Mopterin_OxRdtase_4Fe-4S_dom.
DR   InterPro; IPR006655; Mopterin_OxRdtase_prok_CS.
DR   InterPro; IPR027467; MopterinOxRdtase_cofactor_BS.
DR   InterPro; IPR006468; NarG.
DR   InterPro; IPR028189; Nitr_red_alph_N.
DR   InterPro; IPR044906; Nitr_red_alph_N_sf.
DR   NCBIfam; TIGR01580; narG; 1.
DR   PANTHER; PTHR43105; RESPIRATORY NITRATE REDUCTASE; 1.
DR   PANTHER; PTHR43105:SF2; RESPIRATORY NITRATE REDUCTASE 2 ALPHA CHAIN; 1.
DR   Pfam; PF00384; Molybdopterin; 1.
DR   Pfam; PF01568; Molydop_binding; 1.
DR   Pfam; PF14710; Nitr_red_alph_N; 1.
DR   SMART; SM00926; Molybdop_Fe4S4; 1.
DR   SUPFAM; SSF50692; ADC-like; 1.
DR   SUPFAM; SSF53706; Formate dehydrogenase/DMSO reductase, domains 1-3; 1.
DR   PROSITE; PS51669; 4FE4S_MOW_BIS_MGD; 1.
DR   PROSITE; PS00551; MOLYBDOPTERIN_PROK_1; 1.
DR   PROSITE; PS00490; MOLYBDOPTERIN_PROK_2; 1.
DR   PROSITE; PS00932; MOLYBDOPTERIN_PROK_3; 1.
PE   3: Inferred from homology;
KW   4Fe-4S {ECO:0000256|ARBA:ARBA00022485};
KW   Cell membrane {ECO:0000256|ARBA:ARBA00022475};
KW   Iron {ECO:0000256|ARBA:ARBA00023004};
KW   Iron-sulfur {ECO:0000256|ARBA:ARBA00023014};
KW   Membrane {ECO:0000256|ARBA:ARBA00022475};
KW   Metal-binding {ECO:0000256|ARBA:ARBA00022723}.
FT   DOMAIN          43..107
FT                   /note="4Fe-4S Mo/W bis-MGD-type"
FT                   /evidence="ECO:0000259|PROSITE:PS51669"
SQ   SEQUENCE   1249 AA;  140789 MW;  EA9F1BC5888A1757 CRC64;
     MSHLLDRLRF LKKKQSTFAN GHGETVKESR EWEDGYRQRW QHDKIVRSTH GVNCTGSCSW
     KIYVKNGLIT WETQQTDYPR TRPDLPNHEP RGCPRGASYS WYIYSANRLK YPTVRKRLIK
     LWREARTTKD PVDAWASIVE DSAKATSYKS MRGQGGFVRS TWDEVNEIIA AANTYTIKEY
     GPDRVIGFSP IPAMSMVSYA AGARYLSLIG GVCLSFYDWY CDLPPASPMT WGEQTDVPES
     ADWYNSNYII AWGSNVPQTR TPDAHFFTEV RYKGTKTVSI TPDYAEVAKL CDQWLSPKQG
     TDAALAMAFG HVILKEFHVD NPSAYFTEYC RDYTDMPFLV QLDQREDGSY AAGRFIRASD
     FDGNMGQDNN PKWKTVAYDE ATDSYVVPNG SIGFRWGEKG KWNIEQKEGL EGRSTTLKMS
     LLDSHDEIAS VGFPYFGGVE NEYFTHNTFT DIIHHNLPAK RVKLADGSES LLVTVYDLMM
     ANYGIDRGLG GDFVATSYDD NAPYTPAWQE QITGVDRKVA IQIAREFADT ANKTKGRSMI
     IVGAGMNHWY HMDMNYRGLM NMLIMCGCVG QSGGGWAHYV GQEKLRPQTG WTPLAFGLDW
     QRPPRHMNGT SFFYNHSSQW RYEKLDVTEI LSPLADKSKW TGSLIDYNVR AERMGWLPSA
     PQLDCNPLHI TKAAEAAGKT AQEYTVDQLK SGAMNFACED PDNPKNFPRN MFIWRSNLLG
     SSGKGHEYLL KYLLGTNHGL MNKDLGEDGI KKPEDVVWHD KGAEGKVDLL VTLDFRMSTT
     CLYSDIVLPT ATWYEKDDLN TSDMHPFIHP LSAATDPAWE ARSDWDIYKG IAEKFSEVCV
     GHLGVEQDLV TIPMQHDSPG ELAQPLGVMD WKKGECDPVP GISMPNLVVV ERDYPNTYRR
     FSSIGPLLES AGNGGKGIGW DTKDEVKFLK ELNWTHTEEG IHKGRAKLDT AIDACEMILS
     LAPETNGQVA IKAWAALGEI TGLEHTHLAR PKADEKIRFR DVQAQPRKII SSPTWSGLED
     EHVSYNACYT NVHELIPWRT VTGRQQFYQD HEWMRDFGEG FVSYRPPINT KSVAPLMNKK
     PNGNPEIALN FITPHQKWGI HSTYSDNLLM LTLSRGGPII WMSEGDATTT GIEDNDWVEV
     FNANGAIACR VVVSQRVPDG MTMMYHAQER IVNVPGAETT GTRGGIHNSC TRVCPKPTHM
     IGGYAQQSYG FNYYGTVGSN RDEFVIVRKM KNIDWLDGED NDYTQEAAK
//
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