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AI Can Now Design Proteins That Behave Like Biological 'Transistors'

New designer proteins morph between two different forms—think a hinge in either an open or closed configuration—depending on an external biological “lock.”

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Huge thanks to all our coauthors, internal and external collaborators. This work was a monumental effort and it wouldn't have been possible on our own.
In this way, these tiny proteins not so different from the hinges that we encounter every day in the macroscopic world :)
One of the coolest parts of this paper is that we managed to obtain structures of these "hinges" in both states, both on their own and in the context of much larger protein assemblies
In this work we designed proteins to switch their shapes contingent on an input (shown as a yellow helical peptide here)
Excited to report the work I led with Flo at the UW Institute for Protein Design is now online in Science! https://www.science.org/doi/full/10.1126/science.adg7731
Defended yesterday! Big thank you to everyone who supported me along the way.
great article on how much progress was made in molecular design and modeling in 2022: https://cen.acs.org/education/science-communication/CENs-Year-Chemistry-2022/100/i44 #proteinMPNN (thank you @dmikeando for notifying me the original link was broken - I am still very new to this site 😅 )
Thanks to everyone who helped with this project and a special shoutout to Susana for really pushing this project forward and making it happen. We already have a lot of new exciting data that we're collecting for revisions.
And thanks to David Baker and Joseph Rogers for supervising this work and UW Institute for Protein Design for incredible computational, material, and administrative support. (11/11)