ID   NU1M_ALLMI              Reviewed;         321 AA.
AC   O47868;
DT   15-DEC-1998, integrated into UniProtKB/Swiss-Prot.
DT   01-JUN-1998, sequence version 1.
DT   25-MAY-2022, entry version 80.
DE   RecName: Full=NADH-ubiquinone oxidoreductase chain 1;
DE            EC=7.1.1.2;
DE   AltName: Full=NADH dehydrogenase subunit 1;
GN   Name=MT-ND1; Synonyms=MTND1, NADH1, ND1;
OS   Alligator mississippiensis (American alligator).
OG   Mitochondrion.
OC   Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi;
OC   Archelosauria; Archosauria; Crocodylia; Alligatoridae; Alligatorinae;
OC   Alligator.
OX   NCBI_TaxID=8496;
RN   [1]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RC   TISSUE=Liver;
RX   PubMed=9402737; DOI=10.1093/oxfordjournals.molbev.a025736;
RA   Janke A., Arnason U.;
RT   "The complete mitochondrial genome of Alligator mississippiensis and the
RT   separation between recent archosauria (birds and crocodiles).";
RL   Mol. Biol. Evol. 14:1266-1272(1997).
RN   [2]
RP   NUCLEOTIDE SEQUENCE [GENOMIC DNA].
RA   Sorenson M.D., Dimcheff D.E., Ast J.C., Yuri T., Mindell D.P.;
RT   "Primers for a PCR-based approach to complete mitochondrial genome
RT   sequencing.";
RL   Submitted (JUN-1998) to the EMBL/GenBank/DDBJ databases.
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 inner membrane {ECO:0000250};
CC       Multi-pass membrane protein {ECO:0000250}.
CC   -!- SIMILARITY: Belongs to the complex I subunit 1 family. {ECO:0000305}.
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DR   EMBL; Y13113; CAA73561.1; -; Genomic_DNA.
DR   EMBL; AF069428; AAD09980.1; -; Genomic_DNA.
DR   PIR; T11274; T11274.
DR   RefSeq; NP_007562.1; NC_001922.1.
DR   AlphaFoldDB; O47868; -.
DR   SMR; O47868; -.
DR   GeneID; 808237; -.
DR   KEGG; amj:808237; -.
DR   CTD; 4535; -.
DR   OrthoDB; 1214989at2759; -.
DR   GO; GO:0016021; C:integral component of membrane; IEA:UniProtKB-KW.
DR   GO; GO:0005743; C:mitochondrial inner 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   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..321
FT                   /note="NADH-ubiquinone oxidoreductase chain 1"
FT                   /id="PRO_0000117339"
FT   TRANSMEM        6..26
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        67..87
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        103..123
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        143..163
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        174..194
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        220..240
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        256..276
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
FT   TRANSMEM        296..316
FT                   /note="Helical"
FT                   /evidence="ECO:0000255"
SQ   SEQUENCE   321 AA;  35461 MW;  9380272134DBDC43 CRC64;
     MDSLTIVPPA LLIISILMAV AFLTALERKI MGHMQLRKGP NIVGPLGLLQ PFADGLKLIT
     KELTLPLLAT PTLFILAPTA ALMLALAMWS PLPMPSPLAD LNLGLLLLLA MSSLMVYSFL
     WSGWSSNSKY ALMGAMRAVA QTISYEVTLA IIVLSIVLLS GGFSLHTLTV TQEPLYLALA
     TWPSMMMWYT STLAETNRAP FDLTEGESEL VSGFNVEYSA SPFALFFLAE YANIMLMNTL
     TTTLFLSPST PTFLPALFTI ALMSKALLLT MSFLWVRASY PRFRYDQLMH LLWKNFLPMT
     LTLCLWHSSV PMSMFGLPPM T