BiophysicsbioRxiv
Switching an active site helix in dihydrofolate reductase reveals limits to sub-domain modularity
V. Y. Zhao, J. V. Rodrigues, E. R. Lozovsky…·E. I. Shakhnovich
This study replaces a helical segment in DHFR with sequences from unrelated proteins, showing that while chimeras fold, their activity and stability are reduced, highlighting limits to sub-domain modularity.
DOI 10.1016/j.bpj.2021.09.032