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Blanca Barquera on Muck Rack

Blanca Barquera

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The redox driven Na+-pumping mechanism in Vibrio cholerae NADH-quinone oxidoreductase relies on dynamic conformational changes - Nature Communications

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By Moe Ishikawa-Fukuda, Takehito Seki, Jun-ichi Kishikawa, Takahiro Masuya, Kei-ichi Okazaki, Takayuki Kato, Blanca Barquera, Hideto Miyoshi, Masatoshi Murai
| Nature Verified
Abstract The Na+-pumping NADH-quinone oxidoreductase (Na+-NQR) is a key respiratory enzyme in many marine and pathogenic bacteria that couples electron transfer to Na+-pumping across the membrane. Earlier X-ray and cryo-electron microscopy structures of Na+-NQR from Vibrio cholerae suggested that the subunits harboring redox cofactors undergo conformational changes during catalytic turnover. However, these proposed rearrangements have not yet been confirmed.
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