Publications by authors named "Pak-yan Patricia Cheung"

The Golgi is decorated with coiled-coil proteins that may extend long distances to help vesicles find their targets. GCC185 is a trans Golgi-associated protein that captures vesicles inbound from late endosomes. Although predicted to be relatively rigid and highly extended, we show that flexibility in a central region is required for GCC185’s ability to function in a vesicle tethering cycle.

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Transport vesicle tethers are proteins that link partner membranes together to permit subsequent SNARE protein pairing and fusion. Despite the identification of a relatively large number of tethering proteins, little is known about the precise mechanisms by which they act. Biochemical isolation of tethers permits direct analysis of their physical characteristics and molecular interactions.

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