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3.D.1.1.1
NADH dehydrogenase I, NuoA-N.  NuoL probably comprises part of the proton pathway (Nakamaru-Ogiso et al. 2010).  NuoL (ND5), NuoM (ND4) and NuoN (ND2) are all homologous to proton:sodium antiporters and may all play reoles in pumping protons using a similar mechanism (Sato et al. 2013).

Accession Number:P33602
Protein Name:NUOG aka B2283
Length:908
Molecular Weight:100299.00
Species:Escherichia coli [83333]
Location1 / Topology2 / Orientation3: Cytoplasm1 / Peripheral membrane protein2
Substrate hydron

Cross database links:

DIP: DIP-10383N
RefSeq: AP_002881.1    NP_416786.4   
Entrez Gene ID: 946762   
Pfam: PF00111    PF04879    PF00384    PF01568    PF10588   
BioCyc: EcoCyc:NUOG-MONOMER    ECOL168927:B2283-MONOMER    MetaCyc:NUOG-MONOMER   
KEGG: ecj:JW2278    eco:b2283   

Gene Ontology

GO:0005737 C:cytoplasm
GO:0045272 C:plasma membrane respiratory chain complex I
GO:0051537 F:2 iron, 2 sulfur cluster binding
GO:0051539 F:4 iron, 4 sulfur cluster binding
GO:0009055 F:electron carrier activity
GO:0030151 F:molybdenum ion binding
GO:0008137 F:NADH dehydrogenase (ubiquinone) activity
GO:0015453 F:oxidoreduction-driven active transmembrane ...
GO:0048038 F:quinone binding
GO:0009060 P:aerobic respiration
GO:0009061 P:anaerobic respiration
GO:0042773 P:ATP synthesis coupled electron transport

References (7)

[1] “The gene locus of the proton-translocating NADH: ubiquinone oxidoreductase in Escherichia coli. Organization of the 14 genes and relationship between the derived proteins and subunits of mitochondrial complex I.”  Weidner U.et.al.   7690854
[2] “Construction of a contiguous 874-kb sequence of the Escherichia coli-K12 genome corresponding to 50.0-68.8 min on the linkage map and analysis of its sequence features.”  Yamamoto Y.et.al.   9205837
[3] “The complete genome sequence of Escherichia coli K-12.”  Blattner F.R.et.al.   9278503
[4] “Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110.”  Hayashi K.et.al.   16738553
[5] “Mutations in NADH:ubiquinone oxidoreductase of Escherichia coli affect growth on mixed amino acids.”  Pruss B.M.et.al.   8157582
[6] “Comparing the predicted and observed properties of proteins encoded in the genome of Escherichia coli K-12.”  Link A.J.et.al.   9298646
[7] “Protein complexes of the Escherichia coli cell envelope.”  Stenberg F.et.al.   16079137

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence 
1:	MATIHVDGKE YEVNGADNLL EACLSLGLDI PYFCWHPALG SVGACRQCAV KQYQNAEDTR 
61:	GRLVMSCMTP ASDGTFISID DEEAKQFRES VVEWLMTNHP HDCPVCEEGG NCHLQDMTVM 
121:	TGHSFRRYRF TKRTHRNQDL GPFISHEMNR CIACYRCVRY YKDYADGTDL GVYGAHDNVY 
181:	FGRPEDGTLE SEFSGNLVEI CPTGVFTDKT HSERYNRKWD MQFAPSICQQ CSIGCNISPG 
241:	ERYGELRRIE NRYNGTVNHY FLCDRGRFGY GYVNLKDRPR QPVQRRGDDF ITLNAEQAMQ 
301:	GAADILRQSK KVIGIGSPRA SVESNFALRE LVGEENFYTG IAHGEQERLQ LALKVLREGG 
361:	IYTPALREIE SYDAVLVLGE DVTQTGARVA LAVRQAVKGK AREMAAAQKV ADWQIAAILN 
421:	IGQRAKHPLF VTNVDDTRLD DIAAWTYRAP VEDQARLGFA IAHALDNSAP AVDGIEPELQ 
481:	SKIDVIVQAL AGAKKPLIIS GTNAGSLEVI QAAANVAKAL KGRGADVGIT MIARSVNSMG 
541:	LGIMGGGSLE EALTELETGR ADAVVVLEND LHRHASAIRV NAALAKAPLV MVVDHQRTAI 
601:	MENAHLVLSA ASFAESDGTV INNEGRAQRF FQVYDPAYYD SKTVMLESWR WLHSLHSTLL 
661:	SREVDWTQLD HVIDAVVAKI PELAGIKDAA PDATFRIRGQ KLAREPHRYS GRTAMRANIS 
721:	VHEPRQPQDI DTMFTFSMEG NNQPTAHRSQ VPFAWAPGWN SPQAWNKFQD EVGGKLRFGD 
781:	PGVRLFETSE NGLDYFTSVP ARFQPQDGKW RIAPYYHLFG SDELSQRAPV FQSRMPQPYI 
841:	KLNPADAAKL GVNAGTRVSF SYDGNTVTLP VEIAEGLTAG QVGLPMGMSG IAPVLAGAHL 
901:	EDLKEAQQ