NU1M_HALGR
ID NU1M_HALGR Reviewed; 318 AA.
AC P38598;
DT 01-OCT-1994, integrated into UniProtKB/Swiss-Prot.
DT 01-OCT-1994, sequence version 1.
DT 25-MAY-2022, entry version 77.
DE RecName: Full=NADH-ubiquinone oxidoreductase chain 1;
DE EC=7.1.1.2 {ECO:0000250|UniProtKB:P03886};
DE AltName: Full=NADH dehydrogenase subunit 1;
GN Name=MT-ND1; Synonyms=MTND1, NADH1, ND1;
OS Halichoerus grypus (Gray seal) (Phoca grypus).
OG Mitochondrion.
OC Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC Eutheria; Laurasiatheria; Carnivora; Caniformia; Phocidae; Halichoerus.
OX NCBI_TaxID=9711;
RN [1]
RP NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX PubMed=8308902; DOI=10.1007/bf00178862;
RA Arnason U., Gullberg A., Johnsson E., Ledje C.;
RT "The nucleotide sequence of the mitochondrial DNA molecule of the grey
RT seal, Halichoerus grypus, and a comparison with mitochondrial sequences of
RT other true seals.";
RL J. Mol. Evol. 37:323-330(1993).
CC -!- FUNCTION: Core subunit of the mitochondrial membrane respiratory chain
CC NADH dehydrogenase (Complex I) which catalyzes electron transfer from
CC NADH through the respiratory chain, using ubiquinone as an electron
CC acceptor. Essential for the catalytic activity and assembly of complex
CC I. {ECO:0000250|UniProtKB:P03886}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=a ubiquinone + 5 H(+)(in) + NADH = a ubiquinol + 4 H(+)(out) +
CC NAD(+); Xref=Rhea:RHEA:29091, Rhea:RHEA-COMP:9565, Rhea:RHEA-
CC COMP:9566, ChEBI:CHEBI:15378, ChEBI:CHEBI:16389, ChEBI:CHEBI:17976,
CC ChEBI:CHEBI:57540, ChEBI:CHEBI:57945; EC=7.1.1.2;
CC Evidence={ECO:0000250|UniProtKB:P03886};
CC -!- SUBUNIT: Core subunit of respiratory chain NADH dehydrogenase (Complex
CC I) which is composed of 45 different subunits.
CC {ECO:0000250|UniProtKB:P03887}.
CC -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane
CC {ECO:0000250|UniProtKB:P03887}; Multi-pass membrane protein
CC {ECO:0000255}.
CC -!- SIMILARITY: Belongs to the complex I subunit 1 family. {ECO:0000305}.
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DR EMBL; X72004; CAA50877.1; -; Genomic_DNA.
DR PIR; S41835; S41835.
DR RefSeq; NP_007069.1; NC_001602.1.
DR AlphaFoldDB; P38598; -.
DR SMR; P38598; -.
DR GeneID; 807753; -.
DR CTD; 4535; -.
DR GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR GO; GO:0005743; C:mitochondrial inner membrane; ISS:UniProtKB.
DR GO; GO:0070469; C:respirasome; IEA:UniProtKB-KW.
DR GO; GO:0008137; F:NADH dehydrogenase (ubiquinone) activity; ISS:UniProtKB.
DR GO; GO:0006120; P:mitochondrial electron transport, NADH to ubiquinone; ISS:UniProtKB.
DR GO; GO:0032981; P:mitochondrial respiratory chain complex I assembly; ISS:UniProtKB.
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.
DR PROSITE; PS00668; COMPLEX1_ND1_2; 1.
PE 3: Inferred from homology;
KW Electron transport; Membrane; Mitochondrion; Mitochondrion inner membrane;
KW NAD; Respiratory chain; Translocase; Transmembrane; Transmembrane helix;
KW Transport; Ubiquinone.
FT CHAIN 1..318
FT /note="NADH-ubiquinone oxidoreductase chain 1"
FT /id="PRO_0000117409"
FT TRANSMEM 2..22
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 70..90
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 100..120
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 147..167
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 171..191
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 223..243
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 253..273
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 294..314
FT /note="Helical"
FT /evidence="ECO:0000255"
SQ SEQUENCE 318 AA; 35878 MW; B6DD54F0B806B4AF CRC64;
MFMINIISLI IPILLAVAFL TLVERKVLGY MQLRKGPNIV GPYGLLQPIA DAVKLFTKEP
LRPLTSSTTM FIMAPILALT LALTMWVPLP MPYPLINMNL GVLFMLAMSS LAVYSILWSG
WASNSKYALI GALRAVAQTI SYEVTLAIIL LSVLLMNGSF TLSTLIITQE HLWLIFPAWP
LAMMWFISTL AETNRAPFDL TEGESELVSG FNVEYAAGPF AMFFLAEYAN IIMMNIFTTL
LFFGAFHNPY MPELYVVNFT VKTLALTILF LWIRASYPRF RYDQLMHLLW KNFLPLTLAL
CMWHVTLPII SASIPPQT