Article
Positively charged amino acids at the SNAP-25 C terminus determine fusion rates, fusion pore properties, and energetics of tight SNARE complex zippering.
The Journal of neuroscience : the official journal of the Society for Neuroscience - 18 Feb 2015
Fang Qinghua, Zhao Ying, Herbst Adam Drew, Kim Brian N, Lindau Manfred
Abstract excerpt
SNAP-25 is a Q-SNARE protein mediating exocytosis of neurosecretory vesicles including chromaffin granules. Previous results with a SNAP-25 construct lacking the nine C terminal residues (SNAP-25Δ9) showed changed fusion pore properties (Fang et al., 2008), suggesting a model for fusion pore mechanics that couple C terminal zipping of the SNARE complex to the opening of the fusion pore. The deleted fragment...
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