Fig. 2: Comparison of VRAC selectivity filters.
From: Assembly and lipid-gating of LRRC8A:D volume-regulated anion channels

Focused top-views of selected selectivity filter models. The pore is outlined and highlighted in yellow and overlaid with the calculated minimum pore diameter. LRRC8A subunits, blue; LRRC8C subunits, pink; LRRC8D subunits, green.