The folder contains all the raw data files utilised in this study. The files are grouped into 15 files. 1 Figure 1 data The tripartite ß-lactamase assay (TPBLA) 2 Figure 2 data Comparison of the structure, stability and amyloid propensity of WT- and D76N-ß2m 3 Figure 3 data Saturation mutagenesis of ß2m at positions 76, 53 or 98. 4 Figure 4 data Stability, aggregation and crystal structures of the D76X-ß2m variants. 5 Figure 5 data Evolving D76N-ß2m to improve its properties. 6 Supplementary Figure 1 data Antibiotic survival curves for each of the twenty variants of D53X-, D76X-, and D98X-ß2m 7 Supplementary Figure 2 data Comparison of the effect of Asp to Asn substitutions at residues 53, 76 or 98 in the TPBLA. 8 Supplementary Figure 6 data Thermal stability and aggregation rates of the twenty D76X-ß2m variants 9 Supplementary Figure 9 data Residues altered in the D76N-ß2m* library that give rise to enhanced antibiotic resistance in the TPBLA 10 Supplementary Figure 10 data Unique sequences obtained during D76N-ß2m evolution and selection using the TPBLA. 11 Supplementary Figure 11 data Prediction of the behaviour of the evolved D76N_X-ß2m variants. 12 Supplementary Figure 12 data Saturation mutagenesis of D76N-ß2m using Solubis 13 Supplementary Figure 13 data Characterisation of different D76N_X-ß2m variants. 14 Supplementary Figure 14 data Comparison of the effect of single point substitutions in the APR for WT- and D76N-ß2m. 15 Supplementary Figure 15 data Natural evolution of ß2m sequences.