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DNA Origami Tools for Cryo-EM

We have created DNA origami nanostructures to overcome challenges in structure determination of certain small ( under 100 kDa ) proteins and nucleic acids by cryo-electron microscopy.

We aimed to use the nanoscale positional control afforded by origami to overcome issues related to particle contrast, preferential orientation, and pseudo-symmetry that can confound the 3D reconstruction process. In the course of this project, we found it necessary to improve our nanostructure design methods to reach the quality of DNA origami required for our application.

We developed new algorithms for fast, automated sequence optimization and 3D structure prediction of DNA origami, and plan to release this software as part of an online toolkit later this year.

Speaker: Shawn Douglas, UC San Francisco

Friday, 05/03/19


Website: Click to Visit



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LeConte Hall, Rm 4

UC Berkeley
Berkeley, CA 94720