Zion Perry

Correction to: Nature Communications https://doi.org/10.1038/s41467-023-36798-1, published online 02 March 2023 The original version of this Article contained an error in Fig. 2a, in which the graph in panel i (for peptide ALHAP) was duplicated in panel v. This has been corrected in both the PDF and HTML versions of the Article. Author information Author notes These authors jointly supervised this work: Susan Marqusee, Tanja Kortemme.

Cell culture fluorescence assay The E. coli DH10B ΔlacI:220 strain was chemically transformed with a plasmid encoding superfolder GFP (sfGFP) under the control of the pLlacO promoter and a plasmid encoding the WT LacI (pEZ22G-GFP-kan and pSc101-lacI-specR, gifts from the Raman lab at U. Wisconsin)67 and plated on Lysogeny broth (LB) agar with 50 µl/ml kanamycin and 50 µl/ml spectinomycin. A culture was grown overnight in LB medium with antibiotics at the same concentrations from a single colony.