Fig. 7From: Accessing gap-junction channel structure-function relationships through molecular modeling and simulationsElectrostatic potential surface on crystallographic structures of Cx26 (a) Ca2+ -bound and (b) Ca2+ -free. c Extracellular view of the interior of the Cx26 pore, highlighting the calcium binding site at the boundaries of the parahelix (PH). Taken from Bennett et al., [99]Back to article page