NUON_RICBR
ID NUON_RICBR Reviewed; 460 AA.
AC Q1RIF2;
DT 23-JAN-2007, integrated into UniProtKB/Swiss-Prot.
DT 16-MAY-2006, sequence version 1.
DT 03-AUG-2022, entry version 91.
DE RecName: Full=NADH-quinone oxidoreductase subunit N {ECO:0000255|HAMAP-Rule:MF_00445};
DE EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_00445};
DE AltName: Full=NADH dehydrogenase I subunit N {ECO:0000255|HAMAP-Rule:MF_00445};
DE AltName: Full=NDH-1 subunit N {ECO:0000255|HAMAP-Rule:MF_00445};
GN Name=nuoN {ECO:0000255|HAMAP-Rule:MF_00445}; OrderedLocusNames=RBE_0781;
OS Rickettsia bellii (strain RML369-C).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC Rickettsiaceae; Rickettsieae; Rickettsia; belli group.
OX NCBI_TaxID=336407;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=RML369-C;
RX PubMed=16703114; DOI=10.1371/journal.pgen.0020076;
RA Ogata H., La Scola B., Audic S., Renesto P., Blanc G., Robert C.,
RA Fournier P.-E., Claverie J.-M., Raoult D.;
RT "Genome sequence of Rickettsia bellii illuminates the role of amoebae in
RT gene exchanges between intracellular pathogens.";
RL PLoS Genet. 2:733-744(2006).
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
CC ubiquinone. 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_00445}.
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_00445};
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_00445}.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC Rule:MF_00445}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_00445}.
CC -!- SIMILARITY: Belongs to the complex I subunit 2 family.
CC {ECO:0000255|HAMAP-Rule:MF_00445}.
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DR EMBL; CP000087; ABE04862.1; -; Genomic_DNA.
DR RefSeq; WP_011477449.1; NC_007940.1.
DR AlphaFoldDB; Q1RIF2; -.
DR SMR; Q1RIF2; -.
DR STRING; 336407.RBE_0781; -.
DR EnsemblBacteria; ABE04862; ABE04862; RBE_0781.
DR KEGG; rbe:RBE_0781; -.
DR eggNOG; COG1007; Bacteria.
DR HOGENOM; CLU_007100_1_3_5; -.
DR OMA; FYIRVIV; -.
DR OrthoDB; 1664448at2; -.
DR Proteomes; UP000001951; 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:0008137; F:NADH dehydrogenase (ubiquinone) activity; IEA:InterPro.
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_00445; NDH1_NuoN_1; 1.
DR InterPro; IPR010096; NADH-Q_OxRdtase_suN/2.
DR InterPro; IPR001750; ND/Mrp_mem.
DR Pfam; PF00361; Proton_antipo_M; 1.
DR TIGRFAMs; TIGR01770; NDH_I_N; 1.
PE 3: Inferred from homology;
KW Cell inner membrane; Cell membrane; Membrane; NAD; Quinone; Translocase;
KW Transmembrane; Transmembrane helix; Transport; Ubiquinone.
FT CHAIN 1..460
FT /note="NADH-quinone oxidoreductase subunit N"
FT /id="PRO_0000272331"
FT TRANSMEM 2..22
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 28..48
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 65..85
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 104..124
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 155..175
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 196..216
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 230..250
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 263..283
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 292..312
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 321..341
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 363..383
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 400..420
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
FT TRANSMEM 438..458
FT /note="Helical"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_00445"
SQ SEQUENCE 460 AA; 50893 MW; 5306A67EBFF5EF74 CRC64;
MLLPEITLTL TALLSQFFAV MLQGKNRIVA NITILLTILT IFIILKYSYS ESVLYLDYVM
FTTNANIANY KAIILIFTII SMIIYRDYSV RSGEPLKFEF ITLILLSTVG IFVAISAQNF
LLLFCAMELT ALTSYILAGF KLSDIKSSEG ALKYFILGSL VSCLSLFGIS FIYGFGGSLQ
FSDIFYKLND SSSVNLGLVI GVVLFLSSIF FKLSSAPLHF WAPDVYEGSP IASVTYFTAA
SKIGAVAILL NIENLIIKNY HPISYNLIKI IALLSMIFGA LGAIRQTSLK RLMAYSTILN
IGYVLIGVLL RTEDGNKAAM LYMLIYAAAS IGFFTCLIML LGNQTDKANF ESIQGIAENH
KAIAAAICII MFSMIGIPPL AGFLGKYYLF YQAITQEEFL LAYFGIFTSV IAAFYYLKII
KTMYFAEKPN PTKIPISYGL LLINFVVIGF LLFGSFIISS
