NUOI_RICRS
ID NUOI_RICRS Reviewed; 159 AA.
AC A8GTS0;
DT 14-APR-2009, integrated into UniProtKB/Swiss-Prot.
DT 13-NOV-2007, sequence version 1.
DT 03-AUG-2022, entry version 75.
DE RecName: Full=NADH-quinone oxidoreductase subunit I {ECO:0000255|HAMAP-Rule:MF_01351};
DE EC=7.1.1.- {ECO:0000255|HAMAP-Rule:MF_01351};
DE AltName: Full=NADH dehydrogenase I subunit I {ECO:0000255|HAMAP-Rule:MF_01351};
DE AltName: Full=NDH-1 subunit I {ECO:0000255|HAMAP-Rule:MF_01351};
GN Name=nuoI {ECO:0000255|HAMAP-Rule:MF_01351}; OrderedLocusNames=A1G_06730;
OS Rickettsia rickettsii (strain Sheila Smith).
OC Bacteria; Proteobacteria; Alphaproteobacteria; Rickettsiales;
OC Rickettsiaceae; Rickettsieae; Rickettsia; spotted fever group.
OX NCBI_TaxID=392021;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Sheila Smith;
RA Madan A., Fahey J., Helton E., Ketteman M., Madan A., Rodrigues S.,
RA Sanchez A., Dasch G., Eremeeva M.;
RT "Complete genome sequence of Rickettsia rickettsii.";
RL Submitted (SEP-2007) 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. {ECO:0000255|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:0000255|HAMAP-Rule:MF_01351};
CC -!- COFACTOR:
CC Name=[4Fe-4S] cluster; Xref=ChEBI:CHEBI:49883;
CC Evidence={ECO:0000255|HAMAP-Rule:MF_01351};
CC Note=Binds 2 [4Fe-4S] clusters per subunit. {ECO:0000255|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:0000255|HAMAP-Rule:MF_01351}.
CC -!- SUBCELLULAR LOCATION: Cell inner membrane {ECO:0000255|HAMAP-
CC Rule:MF_01351}; Peripheral membrane protein {ECO:0000255|HAMAP-
CC Rule:MF_01351}.
CC -!- SIMILARITY: Belongs to the complex I 23 kDa subunit family.
CC {ECO:0000255|HAMAP-Rule:MF_01351}.
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DR EMBL; CP000848; ABV76795.1; -; Genomic_DNA.
DR RefSeq; WP_012151338.1; NC_009882.1.
DR AlphaFoldDB; A8GTS0; -.
DR SMR; A8GTS0; -.
DR EnsemblBacteria; ABV76795; ABV76795; A1G_06730.
DR GeneID; 45539707; -.
DR KEGG; rri:A1G_06730; -.
DR HOGENOM; CLU_067218_5_1_5; -.
DR OMA; RGDLYYT; -.
DR Proteomes; UP000006832; Chromosome.
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 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 PANTHER; PTHR10849; PTHR10849; 1.
DR Pfam; PF12838; Fer4_7; 1.
DR TIGRFAMs; TIGR01971; NuoI; 1.
DR PROSITE; PS00198; 4FE4S_FER_1; 2.
DR PROSITE; PS51379; 4FE4S_FER_2; 2.
PE 3: Inferred from homology;
KW 4Fe-4S; Cell inner membrane; Cell membrane; Iron; Iron-sulfur; Membrane;
KW Metal-binding; NAD; Quinone; Repeat; Translocase; Ubiquinone.
FT CHAIN 1..159
FT /note="NADH-quinone oxidoreductase subunit I"
FT /id="PRO_1000143669"
FT DOMAIN 51..80
FT /note="4Fe-4S ferredoxin-type 1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351"
FT DOMAIN 90..119
FT /note="4Fe-4S ferredoxin-type 2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351"
FT BINDING 60
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351"
FT BINDING 63
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351"
FT BINDING 66
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351"
FT BINDING 70
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351"
FT BINDING 99
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351"
FT BINDING 102
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="2"
FT /evidence="ECO:0000255|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:0000255|HAMAP-Rule:MF_01351"
FT BINDING 109
FT /ligand="[4Fe-4S] cluster"
FT /ligand_id="ChEBI:CHEBI:49883"
FT /ligand_label="1"
FT /evidence="ECO:0000255|HAMAP-Rule:MF_01351"
SQ SEQUENCE 159 AA; 18594 MW; 6F844C2C6DA28A16 CRC64;
MINYLKSFFL YEIVRGMALT LKYFFKPKVT INYPYEKSPI SPRFKGEHAL RRYEHGEERC
IACKLCEAIC PAQAIVIEAD EREDGSRRTT RYDIDMTKCI YCGLCQEACP VDAIVEGPNF
EFASLTHTAL IYDKERLLQN GDRWEQALAS KLHKDYEYR
