Extended Data Fig. 4: Structural comparison of region 1.2 in σ70, σS and σH.

Structure models of σ⁷⁰ (shown in wheat, this study), σ^S (shown in cyan, PDB: 6OMF), and σ^H (shown in green, AlphaFold: AF-P0AGB3-F1) were aligned using PyMol 2.4. Region 1.2 interacting with CedA is shown.