期刊
BIOENGINEERED
卷 5, 期 6, 页码 386-392出版社
TAYLOR & FRANCIS INC
DOI: 10.4161/21655979.2014.969173
关键词
flavin; flavin adenine dinucleotide; flavin mononucleotide; transporter
Multidrug and toxic compound extrusion (MATE) proteins help maintain cellular homeostasis by secreting metabolic wastes. Flavins may occur as cellular waste products, with their production and secretion providing potential benefit for industrial applications related to biofuel cells. Here we find that MATE protein YeeO from Escherichia coli exports both flavin mononucleotide (FMN) and flavin adenine dinucleotide (FAD). Significant amounts of flavins were trapped intracellularly when YeeO was produced indicating transport limits secretion of flavins. Wild-type Escherichia. coli secreted 3 flavins (riboflavin, FMN, and FAD), so E. coli likely produces additional flavin transporters.
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