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. Author manuscript; available in PMC: 2020 Dec 19.
Published in final edited form as: ACS Chem Biol. 2020 May 21;15(6):1604–1612. doi: 10.1021/acschembio.0c00204

Figure 1.

Figure 1.

Potential routes for covalent inhibition of G12C Ras. (Left) Shokat et al. recently revealed a small molecule that occupies an allosteric pocket and inhibits Ras signaling (PDB: 4LYH). (Right) We aimed to develop a covalent orthosteric ligand by mimicking the contact helix from Sos (PDB: 1NVW)