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3.D.6.1.2
The Rnf-type NADH dehydrogenase, RnfABCDEG (Imkamp et al., 2007). Note: RnfD may be truncated as almost all homologues have 300-330aas with 6-7 TMSs.  This system has been shown to pump Na+ out of the cell when reducing NAD+ with reduced ferredoxin, and dependent on the smf for reduction of ferredoxin with NADH2 (Hess et al. 2013).

Accession Number:C4N8U4
Protein Name:RnfA
Length:195
Molecular Weight:20791.00
Species:Acetobacterium woodii [33952]
Number of TMSs:6
Substrate hydron

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MTLIFIMISA IFVNNFVLSR FLGICPFLGV SKQVETAVGM GVAVTFVMAL ASAITYVVQY 
61:	AILDPLSLGY LQTIAFILII AALVQLVEMI IKKSSPSLYQ ALGVYLPFLP LITTNCAVLG 
121:	VALINIQNEY NFIETIFNGV GAALGFTLAI VLFAGIRERL ETSAVPKALE GFPIALLTAG 
181:	LMAIAFLGFS GMKLG