Summary
A ribosomal protein in two different organisms adopts different folds; these have 41% sequence identity (1).
Figures

Ref (1)
See also
- Protein structure more conserved than sequence
- Evolutionary pathway between two folds identified using AlphaFold2 and ancestral sequence reconstruction
1.
Schierholz L, Brown CR, Helena-Bueno K, Uversky VN, Hirt RP, Barandun J, et al. A Conserved Ribosomal Protein Has Entirely Dissimilar Structures in Different Organisms. Molecular Biology and Evolution. 2023;41(1). Available from: https://doi.org/10.1093/molbev/msad254