Fig. 4: Detailed interactions between IP6 and the Drosophila IntS4-IntS9-IntS11 complex (ICM).
From: Inositol hexakisphosphate is required for Integrator function

a Cryo-EM density for IP6. The axial, 2-position is labeled. b Detailed interactions between IP6 and the ICM. Ionic interactions between the phosphates of IP6 and ICM are indicated in dashed lines (red). c Electrostatic surface of ICM near the binding site for IP6.