ID   NU4M_LOCMI              Reviewed;         444 AA.
AC   Q36424;
DT   01-NOV-1997, integrated into UniProtKB/Swiss-Prot.
DT   01-NOV-1997, sequence version 1.
DT   25-MAY-2022, entry version 77.
DE   RecName: Full=NADH-ubiquinone oxidoreductase chain 4;
DE            EC=7.1.1.2;
DE   AltName: Full=NADH dehydrogenase subunit 4;
GN   Name=ND4;
OS   Locusta migratoria (Migratory locust).
OG   Mitochondrion.
OC   Eukaryota; Metazoa; Ecdysozoa; Arthropoda; Hexapoda; Insecta; Pterygota;
OC   Neoptera; Polyneoptera; Orthoptera; Caelifera; Acrididea; Acridomorpha;
OC   Acridoidea; Acrididae; Oedipodinae; Locusta.
OX   NCBI_TaxID=7004;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RX   PubMed=8587138; DOI=10.1007/bf00173173;
RA   Flook P.K., Rowell C.H.F., Gellissen G.;
RT   "The sequence, organization, and evolution of the Locusta migratoria
RT   mitochondrial genome.";
RL   J. Mol. Evol. 41:928-941(1995).
CC   -!- FUNCTION: Core subunit of the mitochondrial membrane respiratory chain
CC       NADH dehydrogenase (Complex I) that is believed to belong to the
CC       minimal assembly required for catalysis. Complex I functions in the
CC       transfer of electrons from NADH to the respiratory chain. The immediate
CC       electron acceptor for the enzyme is believed to be ubiquinone (By
CC       similarity). {ECO:0000250}.
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   -!- SUBCELLULAR LOCATION: Mitochondrion membrane {ECO:0000250}; Multi-pass
CC       membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the complex I subunit 4 family. {ECO:0000305}.
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DR   EMBL; X80245; CAA56534.1; -; Genomic_DNA.
DR   PIR; T11474; T11474.
DR   RefSeq; NP_007298.1; NC_001712.1.
DR   AlphaFoldDB; Q36424; -.
DR   SMR; Q36424; -.
DR   GeneID; 807960; -.
DR   CTD; 4538; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0031966; C:mitochondrial membrane; IEA:UniProtKB-SubCell.
DR   GO; GO:0070469; C:respirasome; IEA:UniProtKB-KW.
DR   GO; GO:0008137; F:NADH dehydrogenase (ubiquinone) activity; IEA:UniProtKB-EC.
DR   GO; GO:0042773; P:ATP synthesis coupled electron transport; IEA:InterPro.
DR   InterPro; IPR000260; NADH4_N.
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.
PE   3: Inferred from homology;
KW   Electron transport; Membrane; Mitochondrion; NAD; Respiratory chain;
KW   Translocase; Transmembrane; Transmembrane helix; Transport; Ubiquinone.
FT   CHAIN           1..444
FT                   /note="NADH-ubiquinone oxidoreductase chain 4"
FT                   /id="PRO_0000117949"
FT   TRANSMEM        4..24
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        28..48
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        53..73
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        87..107
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        109..129
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        141..161
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        173..193
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        212..232
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        245..265
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        272..294
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        306..326
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        330..350
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        373..393
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   444 AA;  51135 MW;  B2D8DEC2584921BA CRC64;
     MLKYLFMIIF LIPICLLGNC WWLVHSLIFL LSFIFMISLY SYSDLSMISY YFGVDFYSFM
     LILLSLWICC LMITASSSIY SSSYHPNFFV FVVLLLLIML FCSFSSLNLF SFYIFFESSL
     VPTLFLILGW GYQPERLQAG VYLMFYTLVA SLPLLLVLFS INDLFNTLYY PLLIDFGSFY
     FLFYVFSIFA FLVKMPIFLF HLWLPKAHVE APISGSMILA GILLKLGGYG IFRMMKVISC
     LGLSFNYFVL SLSLFGGVII SFVCFRQVDL KSLIAYSSVA HMSLVICGLM TMNWWGCMGS
     LSLMIGHGIS SSGLFCLSNI IYELLGSRSL LINKGMINLM PSMTIWWFLL SSSNMASPPS
     LNLLGEFSLL NSIISWSSYM ILLLIFLSFF SAVYTLYMYS YSQHGLYYSG VYTCSLGYFR
     EYHLLFLHWF PLNLLCLKGE YFYF