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NUOK_MYCBO
ID   NUOK_MYCBO              Reviewed;          99 AA.
AC   P65566; A0A1R3Y3Y8; P95171; X2BN81;
DT   11-OCT-2004, integrated into UniProtKB/Swiss-Prot.
DT   11-OCT-2004, sequence version 1.
DT   25-MAY-2022, entry version 105.
DE   RecName: Full=NADH-quinone oxidoreductase subunit K {ECO:0000255|HAMAP-Rule:MF_01456};
DE            EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01456};
DE   AltName: Full=NADH dehydrogenase I subunit K {ECO:0000255|HAMAP-Rule:MF_01456};
DE   AltName: Full=NDH-1 subunit K {ECO:0000255|HAMAP-Rule:MF_01456};
GN   Name=nuoK {ECO:0000255|HAMAP-Rule:MF_01456};
GN   OrderedLocusNames=BQ2027_MB3179;
OS   Mycobacterium bovis (strain ATCC BAA-935 / AF2122/97).
OC   Bacteria; Actinobacteria; Corynebacteriales; Mycobacteriaceae;
OC   Mycobacterium; Mycobacterium tuberculosis complex.
OX   NCBI_TaxID=233413;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=ATCC BAA-935 / AF2122/97;
RX   PubMed=12788972; DOI=10.1073/pnas.1130426100;
RA   Garnier T., Eiglmeier K., Camus J.-C., Medina N., Mansoor H., Pryor M.,
RA   Duthoy S., Grondin S., Lacroix C., Monsempe C., Simon S., Harris B.,
RA   Atkin R., Doggett J., Mayes R., Keating L., Wheeler P.R., Parkhill J.,
RA   Barrell B.G., Cole S.T., Gordon S.V., Hewinson R.G.;
RT   "The complete genome sequence of Mycobacterium bovis.";
RL   Proc. Natl. Acad. Sci. U.S.A. 100:7877-7882(2003).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA], AND GENOME REANNOTATION.
RC   STRAIN=ATCC BAA-935 / AF2122/97;
RX   PubMed=28385856; DOI=10.1128/genomea.00157-17;
RA   Malone K.M., Farrell D., Stuber T.P., Schubert O.T., Aebersold R.,
RA   Robbe-Austerman S., Gordon S.V.;
RT   "Updated reference genome sequence and annotation of Mycobacterium bovis
RT   AF2122/97.";
RL   Genome Announc. 5:E00157-E00157(2017).
CC   -!- FUNCTION: NDH-1 shuttles electrons from NADH, via FMN and iron-sulfur
CC       (Fe-S) centers, to quinones in the respiratory chain. The immediate
CC       electron acceptor for the enzyme in this species is believed to be a
CC       menaquinone. Couples the redox reaction to proton translocation (for
CC       every two electrons transferred, four hydrogen ions are translocated
CC       across the cytoplasmic membrane), and thus conserves the redox energy
CC       in a proton gradient. {ECO:0000255|HAMAP-Rule:MF_01456}.
CC   -!- CATALYTIC ACTIVITY:
CC       Reaction=a quinone + 5 H(+)(in) + NADH = a quinol + 4 H(+)(out) +
CC         NAD(+); Xref=Rhea:RHEA:57888, ChEBI:CHEBI:15378, ChEBI:CHEBI:24646,
CC         ChEBI:CHEBI:57540, ChEBI:CHEBI:57945, ChEBI:CHEBI:132124;
CC         Evidence={ECO:0000255|HAMAP-Rule:MF_01456};
CC   -!- SUBUNIT: NDH-1 is composed of 14 different subunits. Subunits NuoA, H,
CC       J, K, L, M, N constitute the membrane sector of the complex.
CC       {ECO:0000255|HAMAP-Rule:MF_01456}.
CC   -!- SUBCELLULAR LOCATION: Cell membrane; Multi-pass membrane protein.
CC   -!- SIMILARITY: Belongs to the complex I subunit 4L family.
CC       {ECO:0000255|HAMAP-Rule:MF_01456}.
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DR   EMBL; LT708304; SIU01806.1; -; Genomic_DNA.
DR   RefSeq; NP_856824.1; NC_002945.3.
DR   RefSeq; WP_003416452.1; NC_002945.4.
DR   AlphaFoldDB; P65566; -.
DR   SMR; P65566; -.
DR   EnsemblBacteria; SIU01806; SIU01806; BQ2027_MB3179.
DR   GeneID; 45427142; -.
DR   PATRIC; fig|233413.5.peg.3497; -.
DR   OMA; NFVAFSY; -.
DR   Proteomes; UP000001419; Chromosome.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005886; C:plasma membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0050136; F:NADH dehydrogenase (quinone) activity; IEA:UniProtKB-UniRule.
DR   GO; GO:0048038; F:quinone binding; IEA:UniProtKB-KW.
DR   GO; GO:0042773; P:ATP synthesis coupled electron transport; IEA:InterPro.
DR   HAMAP; MF_01456; NDH1_NuoK; 1.
DR   InterPro; IPR001133; NADH_UbQ_OxRdtase_chain4L/K.
DR   InterPro; IPR039428; NUOK/Mnh_C1-like.
DR   PANTHER; PTHR11434; PTHR11434; 1.
DR   Pfam; PF00420; Oxidored_q2; 1.
PE   3: Inferred from homology;
KW   Cell membrane; Membrane; NAD; Quinone; Translocase; Transmembrane;
KW   Transmembrane helix; Transport.
FT   CHAIN           1..99
FT                   /note="NADH-quinone oxidoreductase subunit K"
FT                   /id="PRO_0000118531"
FT   TRANSMEM        3..23
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01456"
FT   TRANSMEM        28..48
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01456"
FT   TRANSMEM        59..79
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01456"
SQ   SEQUENCE   99 AA;  10858 MW;  8EC8211330159BFD CRC64;
     MNPANYLYLS VLLFTIGASG VLLRRNAIVM FMCVELMLNA VNLAFVTFAR MHGHLDAQMI
     AFFTMVVAAC EVVVGLAIIM TIFRTRKSAS VDDANLLKG
 
 
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