EntityQ232438· pop 30· linked from 651 articlesgap junctionSign in to savecell-cell junction comprised of innexins or connexins, two different families of channel-forming proteins. Other proteins may also be present.ConnectionsGJA1EntitycellEntitycalciumEntityVertebrataEntitycell junctionEntitysecond messenger systemEntitysequence homologyEntityMembrane channelEntitywaterEntityhuman pregnancyEntityproteinEntityInternational Standard Book NumberEntitydeafnessEntityhormoneEntityionEntitychildbirthEntityuterusEntityinvertebrateEntityamino acidEntityendocrine systemEntityCategoriesCell anatomyCell communicationCell signaling