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NU4M_BALPH
ID   NU4M_BALPH              Reviewed;         459 AA.
AC   P24975;
DT   01-MAR-1992, integrated into UniProtKB/Swiss-Prot.
DT   01-MAR-1992, sequence version 1.
DT   25-MAY-2022, entry version 88.
DE   RecName: Full=NADH-ubiquinone oxidoreductase chain 4;
DE            EC=7.1.1.2 {ECO:0000250|UniProtKB:P03905};
DE   AltName: Full=NADH dehydrogenase subunit 4;
GN   Name=MT-ND4; Synonyms=MTND4, NADH4, ND4;
OS   Balaenoptera physalus (Fin whale) (Balaena physalus).
OG   Mitochondrion.
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Laurasiatheria; Artiodactyla; Whippomorpha; Cetacea; Mysticeti;
OC   Balaenopteridae; Balaenoptera.
OX   NCBI_TaxID=9770;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Isolate No. 27 / Anno 1987; TISSUE=Liver;
RX   PubMed=1779436; DOI=10.1007/bf02102808;
RA   Arnason U., Gullberg A., Widegren B.;
RT   "The complete nucleotide sequence of the mitochondrial DNA of the fin
RT   whale, Balaenoptera physalus.";
RL   J. Mol. Evol. 33:556-568(1991).
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:P03905}.
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:P03905};
CC   -!- SUBUNIT: Core subunit of respiratory chain NADH dehydrogenase (Complex
CC       I) which is composed of 45 different subunits.
CC       {ECO:0000250|UniProtKB:P03910}.
CC   -!- SUBCELLULAR LOCATION: Mitochondrion inner membrane
CC       {ECO:0000250|UniProtKB:P03910}; Multi-pass membrane protein
CC       {ECO:0000255}.
CC   -!- SIMILARITY: Belongs to the complex I subunit 4 family. {ECO:0000305}.
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DR   EMBL; X61145; CAA43448.1; -; Genomic_DNA.
DR   PIR; B58851; B58851.
DR   RefSeq; NP_006898.1; NC_001321.1.
DR   AlphaFoldDB; P24975; -.
DR   SMR; P24975; -.
DR   GeneID; 807616; -.
DR   CTD; 4538; -.
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   InterPro; IPR000260; NADH4_N.
DR   InterPro; IPR010227; NADH_Q_OxRdtase_chainM/4.
DR   InterPro; IPR003918; NADH_UbQ_OxRdtase.
DR   InterPro; IPR001750; ND/Mrp_mem.
DR   PANTHER; PTHR43507; PTHR43507; 1.
DR   Pfam; PF01059; Oxidored_q5_N; 1.
DR   Pfam; PF00361; Proton_antipo_M; 1.
DR   PRINTS; PR01437; NUOXDRDTASE4.
DR   TIGRFAMs; TIGR01972; NDH_I_M; 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..459
FT                   /note="NADH-ubiquinone oxidoreductase chain 4"
FT                   /id="PRO_0000117900"
FT   TRANSMEM        22..42
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        60..80
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        92..112
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        113..133
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        147..167
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        193..213
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        224..244
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        257..277
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        284..303
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        308..330
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        342..362
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        393..413
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        435..455
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   459 AA;  51710 MW;  FF73973CE65AE609 CRC64;
     MLKFIIPTIM LMPLTWLSKN NLIWINSTAH SLLISFSSLL LLNQLNDNSL NYSLMFFSDP
     LSTPLLILTM WLLPLMLMAS QSHLIKEPPV RKKLYITMLI TLQALLIMTF TATELILFYI
     MFEATLIPTL IIITRWGNQT ERLNAGLYFL FYTLVGSLPL LVALVYLQNT TGSLNFLLLQ
     HWAQPLSTSW SNIFMWLACM MAFLVKMPLY GLYLWLPKAH VEAPIAGSMV LAAVLLKLGG
     YGMLRITSML NPLTEHMAYP FLMLSLWGMI MTSSICLRQT DLKSLIAYSS VSHMALVIAA
     ILIQTPWSYM GATALMIAHG LTSSMLFCLA NSNYERIHSR TMILPGGLQV FLPLMASWWL
     LASLTNLALP PTINLIGELL VVMSVFSWSN PTILLMGTNI VITALYSLYM LIMTQRGKHT
     HHINNITPSF TREHALMALH IIPLLLLSLN PKIILGPLY
 
 
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