An engineered disulfide staple restricts lid loop dynamics and alters substrate specificity of phenylalanine ammonia-lyase
Rebecca Condruti, Likith Muthuraj, Jeevan K. Prakash, Samuel D. Littman, Pravin Kumar R., Nikhil U. Nair
The paper investigates the role of a dynamic loop in AvPAL by engineering disulfide bonds to restrict its mobility, revealing its regulatory function in substrate specificity.
bioRxiv · May 6, 2026 · PreprintBioengineering