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NU4M_AVACL
ID   NU4M_AVACL              Reviewed;         459 AA.
AC   A8DQK9; A8DQK5;
DT   18-MAR-2008, integrated into UniProtKB/Swiss-Prot.
DT   13-NOV-2007, sequence version 1.
DT   25-MAY-2022, entry version 42.
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   Avahi cleesei (Cleese's woolly lemur) (Bemaraha woolly lemur).
OG   Mitochondrion.
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia;
OC   Eutheria; Euarchontoglires; Primates; Strepsirrhini; Lemuriformes;
OC   Indriidae; Avahi.
OX   NCBI_TaxID=402244;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   STRAIN=Isolate BEMA12, Isolate BEMA13, Isolate BEMA14, Isolate BEMA8, and
RC   Isolate BEMA9;
RA   Andriantompohavana R., Lei R., Zaonarivelo J.R., Engberg S.E.,
RA   Nalanirina G., McGuire S.M., Shore G.D., Andrianasolo J., Herrington K.,
RA   Brenneman R.A., Louis E.E. Jr.;
RT   "Molecular phylogeny and taxonomic revision of the woolly lemurs, genus
RT   Avahi (primates: lemuriformes).";
RL   Spec. Publ. Mus. Tex. Tech. Univ. 51:1-64(2007).
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; DQ856113; ABI54997.1; -; Genomic_DNA.
DR   EMBL; DQ856114; ABI55001.1; -; Genomic_DNA.
DR   EMBL; DQ856115; ABI55005.1; -; Genomic_DNA.
DR   EMBL; DQ856116; ABI55009.1; -; Genomic_DNA.
DR   EMBL; DQ856117; ABI55013.1; -; Genomic_DNA.
DR   AlphaFoldDB; A8DQK9; -.
DR   SMR; A8DQK9; -.
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_0000323384"
FT   TRANSMEM        22..42
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        60..80
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        95..111
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        194..214
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        391..411
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   VARIANT         19
FT                   /note="K -> N (in strain: Isolate BEMA8)"
SQ   SEQUENCE   459 AA;  51929 MW;  AE1F0008CCAEDE79 CRC64;
     MLKIIIPTIM LFPVTWYSKN SMIWINTTSH SLMISLMGLL LLNHPSNNSN NFSLNFFSDP
     LSSPLLMLTM WLLPLMIMAS QHHLAKEPWF RKKSYLSMLI TLQMFLIMTF MATELILFYI
     LFEATLIPTL IIITRWGNQT ERLNAGMYFL FYTLTGSLPL LVALIYLQSS MGSLNLLTIN
     LWLKELPNSW STNLLWMACI MAFMVKMPLY GLHLWLPKAH VEAPIAGSMV LAAVLLKLGG
     YGMMRITIIL DPTTKSMAYP FLMLCLWGMI MTSSICLRQT DLKSLIAYSS VSHMALVIVA
     ILVQTPLGFM GATALMIAHG LTSSMLFCLA NSNYERIHSR TMLMARGLQT LLPLMTTWWL
     LASLNNLALP PSINLIGELL VTITSFSWSN ITVILIGLNM LITALYSLYM LITTQRGKLT
     YYLHNLNPSL TRENTLMSMH MLPLLFLTLN PKIILGPTF
 
 
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