10.7554/eLife.23644.008Figure 2—figure supplement 2.Superposition of domain 4 of the PLY monomer in the crystal structure (blue) and in the pore complex (green), viewed from the pore center.Residues of the undecapeptide and selected residues in other loops are shown as sticks. The map is contoured at 6.5 and 7.5 σ.DOI: http://dx.doi.org/10.7554/eLife.23644.008