Connexon

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Connexon
Connexon and connexin structure.svg
Connexon and connexin structure
Latin connexona
Code TH H1.00.01.1.02025

In biology, a connexon, or hemichannel, is an assembly of six proteins called connexins that can be a part of a gap junction channel between the cytoplasm of two adjacent cells. The connexon is actually the hemichannel supplied by a cell on one side of the junction; two connexons from opposing cells normally come together to form the complete intercellular gap junction channel. However, in some cells, the hemichannel itself is active as a conduit between the cytoplasm and the extracellular space, allowing the transference of ions and small molecules lower than 1-2 KDa.

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