NU4M_DICCI
ID NU4M_DICCI Reviewed; 414 AA.
AC Q2LCP7;
DT 04-DEC-2007, integrated into UniProtKB/Swiss-Prot.
DT 21-FEB-2006, sequence version 1.
DT 25-MAY-2022, entry version 49.
DE RecName: Full=NADH-ubiquinone oxidoreductase chain 4;
DE EC=7.1.1.2;
DE AltName: Full=NADH dehydrogenase subunit 4;
GN Name=nad4;
OS Dictyostelium citrinum (Slime mold).
OG Mitochondrion.
OC Eukaryota; Amoebozoa; Evosea; Eumycetozoa; Dictyostelia; Dictyosteliales;
OC Dictyosteliaceae; Dictyostelium.
OX NCBI_TaxID=361072;
RN [1]
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RX PubMed=18413355; DOI=10.1093/molbev/msn088;
RA Heidel A.J., Gloeckner G.;
RT "Mitochondrial genome evolution in the social amoebae.";
RL Mol. Biol. Evol. 25:1440-1450(2008).
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; DQ336395; ABC60396.1; -; Genomic_DNA.
DR RefSeq; YP_492645.2; NC_007787.2.
DR AlphaFoldDB; Q2LCP7; -.
DR SMR; Q2LCP7; -.
DR GeneID; 3912633; -.
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; 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; 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; NAD; Respiratory chain;
KW Translocase; Transmembrane; Transmembrane helix; Transport; Ubiquinone.
FT CHAIN 1..414
FT /note="NADH-ubiquinone oxidoreductase chain 4"
FT /id="PRO_0000312393"
FT TRANSMEM 18..38
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 47..67
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 96..116
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 126..146
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 160..180
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 188..208
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 216..236
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 254..274
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 293..313
FT /note="Helical"
FT /evidence="ECO:0000255"
FT TRANSMEM 375..395
FT /note="Helical"
FT /evidence="ECO:0000255"
SQ SEQUENCE 414 AA; 46295 MW; 2557D2C0519B24C7 CRC64;
MLLITEILII NFFAATDLVQ LYIVYEASLI PMVIMIGVWG SRTEKKIAAF QILIYTLIGS
IFMLMSIGLL YSTLGTTDYI LIREYIEVLP ENVRKIIFIG FFIGFAVKIP IAPLHLWLLR
AHVEAPTAGS VLLAGILLKL GGYGYIRYNI GLFPDLCEYY FPIIGGICLI SILYTGIATL
TQLDVKRIVA YSSISHMNVI VLGLFSGVLQ GLEGGIILMI GHGIVSGGLF LCIGVIYDRC
KTRILYAYNN LVHMMPIMAI LFFLLVLGNI AFPITSNFVG ELLIFIGLIK KNIIIAFFSA
LSMIITAIYS FWLYNRIFFV NEIITREANE GIQMEVNKMT IKEGGINKKV TEGEIIGELE
YPQYIKKESM KYSDVNIFEF VSIGLMVILM LIVGMKPSLV EGYIAINCLE LISK
