Files in this Data Supplement:
Supplemental information
Table S1, strains and plasmids
Table S2, data collection and structure refinement statistics
Fig. S1, surface mutations do not alter the structure of R1abR2ab
Fig. S2, R2ab is sufficient to explain the crystal lattice in space group P6122
Fig. S3, electron densities of particularly well resolved amino acids in R2ab
Fig. S4, binding of repeat mutants to PGN
Fig. S5, rigid body and ab initio models of Atl amidase variants
Fig. S6, Kratky plots
Fig. S7, electrostatic surface potential of R2ab and R1ab in two different views
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