ID A0A068Z0J9_9BURK Unreviewed; 165 AA.
AC A0A068Z0J9;
DT 01-OCT-2014, integrated into UniProtKB/TrEMBL.
DT 01-OCT-2014, sequence version 1.
DT 27-MAR-2024, entry version 35.
DE RecName: Full=NADH-quinone oxidoreductase subunit I {ECO:0000256|HAMAP-Rule:MF_01351};
DE EC=7.1.1.- {ECO:0000256|HAMAP-Rule:MF_01351};
DE AltName: Full=NADH dehydrogenase I subunit I {ECO:0000256|HAMAP-Rule:MF_01351};
DE AltName: Full=NDH-1 subunit I {ECO:0000256|HAMAP-Rule:MF_01351};
GN Name=nuoI {ECO:0000256|HAMAP-Rule:MF_01351};
OS Polaromonas sp. CG9_12.
OC Bacteria; Pseudomonadota; Betaproteobacteria; Burkholderiales;
OC Comamonadaceae; Polaromonas.
OX NCBI_TaxID=1504672 {ECO:0000313|EMBL:CDS54394.1, ECO:0000313|Proteomes:UP000043372};
RN [1] {ECO:0000313|EMBL:CDS54394.1, ECO:0000313|Proteomes:UP000043372}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RA Smith H.J., Foreman C.M., Ramaraj T.;
RT "Draft Genome Sequence of a Metabolically Diverse Antarctic Supraglacial
RT Stream Organism, Polaromonas sp. Strain CG9_12, Determined Using Pacific
RT Biosciences Single-Molecule Real-Time Sequencing Technology.";
RL Genome Announc. 2:1-2(2014).
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:0000256|HAMAP-Rule:MF_01351}.
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:0000256|HAMAP-Rule:MF_01351};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01351};
CC Note=Binds 2 [4Fe-4S] clusters per subunit. {ECO:0000256|HAMAP-
CC Rule:MF_01351};
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:0000256|HAMAP-Rule:MF_01351}.
CC -!- SUBCELLULAR LOCATION: Cell membrane {ECO:0000256|HAMAP-Rule:MF_01351};
CC Peripheral membrane protein {ECO:0000256|HAMAP-Rule:MF_01351}.
CC -!- SIMILARITY: Belongs to the complex I 23 kDa subunit family.
CC {ECO:0000256|ARBA:ARBA00010277, ECO:0000256|HAMAP-Rule:MF_01351}.
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DR EMBL; CCJP01000005; CDS54394.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A068Z0J9; -.
DR STRING; 1504672.gene:199033649; -.
DR eggNOG; COG1143; Bacteria.
DR OrthoDB; 9808559at2; -.
DR Proteomes; UP000043372; Unassembled WGS sequence.
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:0005506; F:iron ion binding; IEA:UniProtKB-UniRule.
DR GO; GO:0050136; F:NADH dehydrogenase (quinone) activity; IEA:UniProtKB-UniRule.
DR GO; GO:0048038; F:quinone binding; IEA:UniProtKB-KW.
DR Gene3D; 3.30.70.3270; -; 1.
DR HAMAP; MF_01351; NDH1_NuoI; 1.
DR InterPro; IPR017896; 4Fe4S_Fe-S-bd.
DR InterPro; IPR017900; 4Fe4S_Fe_S_CS.
DR InterPro; IPR010226; NADH_quinone_OxRdtase_chainI.
DR NCBIfam; TIGR01971; NuoI; 1.
DR PANTHER; PTHR10849:SF20; NADH DEHYDROGENASE [UBIQUINONE] IRON-SULFUR PROTEIN 8, MITOCHONDRIAL; 1.
DR PANTHER; PTHR10849; NADH DEHYDROGENASE UBIQUINONE IRON-SULFUR PROTEIN 8, MITOCHONDRIAL; 1.
DR Pfam; PF12838; Fer4_7; 1.
DR SUPFAM; SSF54862; 4Fe-4S ferredoxins; 1.
DR PROSITE; PS00198; 4FE4S_FER_1; 1.
DR PROSITE; PS51379; 4FE4S_FER_2; 2.
PE 3: Inferred from homology;
KW 4Fe-4S {ECO:0000256|ARBA:ARBA00022485, ECO:0000256|HAMAP-Rule:MF_01351};
KW Cell membrane {ECO:0000256|HAMAP-Rule:MF_01351};
KW Iron {ECO:0000256|ARBA:ARBA00023004, ECO:0000256|HAMAP-Rule:MF_01351};
KW Iron-sulfur {ECO:0000256|ARBA:ARBA00023014, ECO:0000256|HAMAP-
KW Rule:MF_01351}; Membrane {ECO:0000256|HAMAP-Rule:MF_01351};
KW Metal-binding {ECO:0000256|ARBA:ARBA00022723, ECO:0000256|HAMAP-
KW Rule:MF_01351}; NAD {ECO:0000256|HAMAP-Rule:MF_01351};
KW Oxidoreductase {ECO:0000313|EMBL:CDS54394.1};
KW Quinone {ECO:0000256|HAMAP-Rule:MF_01351};
KW Reference proteome {ECO:0000313|Proteomes:UP000043372};
KW Repeat {ECO:0000256|ARBA:ARBA00022737};
KW Translocase {ECO:0000256|HAMAP-Rule:MF_01351};
KW Ubiquinone {ECO:0000256|HAMAP-Rule:MF_01351, ECO:0000313|EMBL:CDS54394.1}.
FT DOMAIN 57..86
FT /note="4Fe-4S ferredoxin-type"
FT /evidence="ECO:0000259|PROSITE:PS51379"
FT DOMAIN 96..125
FT /note="4Fe-4S ferredoxin-type"
FT /evidence="ECO:0000259|PROSITE:PS51379"
FT BINDING 66
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01351"
FT BINDING 69
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01351"
FT BINDING 72
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01351"
FT BINDING 76
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01351"
FT BINDING 105
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01351"
FT BINDING 108
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01351"
FT BINDING 111
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01351"
FT BINDING 115
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01351"
SQ SEQUENCE 165 AA; 18744 MW; DF9BA0CE12DEEE71 CRC64;
MSAVASVKDF VSSFMLTELL KGMALTGKYM FSRKITIQFP EEKTPLSPRF RGLHALRRYE
NGEERCIACK LCEAVCPALA ITIESDVRED GSRRTSRYDI DLTKCIFCGF CEESCPVDSI
VETHILEYHG EKRGDLYFTK EMLLAVGDRY ESEIAANRAA DAKYR
//
