ID   NUOH_CAMJJ              Reviewed;         332 AA.
AC   A1W1H1;
DT   21-AUG-2007, integrated into UniProtKB/Swiss-Prot.
DT   06-FEB-2007, sequence version 1.
DT   25-MAY-2022, entry version 84.
DE   RecName: Full=NADH-quinone oxidoreductase subunit H {ECO:0000255|HAMAP-Rule:MF_01350};
DE            EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01350};
DE   AltName: Full=NADH dehydrogenase I subunit H {ECO:0000255|HAMAP-Rule:MF_01350};
DE   AltName: Full=NDH-1 subunit H {ECO:0000255|HAMAP-Rule:MF_01350};
GN   Name=nuoH {ECO:0000255|HAMAP-Rule:MF_01350};
GN   OrderedLocusNames=CJJ81176_1557;
OS   Campylobacter jejuni subsp. jejuni serotype O:23/36 (strain 81-176).
OC   Bacteria; Proteobacteria; Epsilonproteobacteria; Campylobacterales;
OC   Campylobacteraceae; Campylobacter.
OX   NCBI_TaxID=354242;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC   STRAIN=81-176;
RA   Fouts D.E., Nelson K.E., Sebastian Y.;
RL   Submitted (DEC-2006) to the EMBL/GenBank/DDBJ databases.
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. This subunit may bind ubiquinone.
CC       {ECO:0000255|HAMAP-Rule:MF_01350}.
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_01350};
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_01350}.
CC   -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC       Rule:MF_01350}; Multi-pass membrane protein {ECO:0000255|HAMAP-
CC       Rule:MF_01350}.
CC   -!- SIMILARITY: Belongs to the complex I subunit 1 family.
CC       {ECO:0000255|HAMAP-Rule:MF_01350}.
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DR   EMBL; CP000538; EAQ72914.1; -; Genomic_DNA.
DR   RefSeq; WP_009883056.1; NC_008787.1.
DR   AlphaFoldDB; A1W1H1; -.
DR   SMR; A1W1H1; -.
DR   STRING; 354242.CJJ81176_1557; -.
DR   EnsemblBacteria; EAQ72914; EAQ72914; CJJ81176_1557.
DR   KEGG; cjj:CJJ81176_1557; -.
DR   eggNOG; COG1005; Bacteria.
DR   HOGENOM; CLU_015134_0_1_7; -.
DR   OMA; WSGWASN; -.
DR   Proteomes; UP000000646; 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:0016655; F:oxidoreductase activity, acting on NAD(P)H, quinone or similar compound as acceptor; IEA:UniProtKB-UniRule.
DR   GO; GO:0048038; F:quinone binding; IEA:UniProtKB-KW.
DR   HAMAP; MF_01350; NDH1_NuoH; 1.
DR   InterPro; IPR001694; NADH_UbQ_OxRdtase_su1/FPO.
DR   InterPro; IPR018086; NADH_UbQ_OxRdtase_su1_CS.
DR   PANTHER; PTHR11432; PTHR11432; 1.
DR   Pfam; PF00146; NADHdh; 1.
DR   PROSITE; PS00667; COMPLEX1_ND1_1; 1.
PE   3: Inferred from homology;
KW   Cell inner membrane; Cell membrane; Membrane; NAD; Quinone; Translocase;
KW   Transmembrane; Transmembrane helix; Ubiquinone.
FT   CHAIN           1..332
FT                   /note="NADH-quinone oxidoreductase subunit H"
FT                   /id="PRO_0000298803"
FT   TRANSMEM        4..24
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01350"
FT   TRANSMEM        44..64
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01350"
FT   TRANSMEM        78..98
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01350"
FT   TRANSMEM        120..140
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01350"
FT   TRANSMEM        165..185
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01350"
FT   TRANSMEM        194..214
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01350"
FT   TRANSMEM        255..275
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01350"
FT   TRANSMEM        279..299
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01350"
FT   TRANSMEM        312..332
FT                   /note="Helical"
FT                   /evidence="ECO:0000255|HAMAP-Rule:MF_01350"
SQ   SEQUENCE   332 AA;  36689 MW;  C25A29D2353B63F9 CRC64;
     MSDFAFFALE TLIKCIIIIA IFASLAGLAT YAERKVLAYF QRRIGPDMVG PFGLIQLVAD
     MIKLFTKEDI IPSNSQKFIF AIAPLISAIC AFVSLAAIPM LPEFTLFGRV IQPIVADINV
     ALLFVIGTSG LCFYAVFLGG LASNNKWSIL GAARGLVSII SYESVGALAL IAIIMLVGSF
     SLVDINNYQS DGFFSWLIFK QPLAFVLFII ALFIETNRTP LCLTENDAEI VAGYGTEYSG
     LRWGIFFIGE YTSMIAGAIL VTLLFLGGFN SFWIIPGWIM MIVKSSFIFF WYFWARAAFP
     QLRPDQVMKM CYLILIPLAV LNLLITALTV LL