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3.D.4.9.1
Quinol oxidase (proton gradient generated only by chemical charge separation) (Purschke et al., 1997) [DoxA + DoxD comprise a novel membrane-bound thiosulfate: quinone oxidoreductase, Dox (Müller et al., 2004)]

Accession Number:P94120
Protein Name:DoxF
Length:67
Molecular Weight:7283.00
Species:Acidianus ambivalens (Desulfurolobus ambivalens) [2283]
Number of TMSs:1
Location1 / Topology2 / Orientation3: Cell inner membrane1 / Multi-pass membrane protein2
Substrate hydron

Cross database links:

References (1)

[1] “The terminal quinol oxidase of the hyperthermophilic archaeon Acidianus ambivalens exhibits a novel subunit structure and gene organization.”  Purschke W.G.et.al.   9023221

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Predict TMSs (Predict number of transmembrane segments)
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FASTA formatted sequence
1:	MLTLHGSFIF PFSGPKNGES VSVNNLSRGT SFAICLLRLS LTIIGGKDKY PPRSRIFLAI 
61:	FILPSNA