A quantitative analysis of connexin-specific permeability differences of gap junctions expressed in HeLa transfectants and Xenopus oocytes

Gap junctions provide direct intercellular communication by linking adjacent cells with aqueous pores permeable to molecules up to 1 kDa in molecular mass and 8-14 A in diameter. The identification of over a dozen connexins in the mammalian gap junction family has stimulated interest in the function...

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