Formation of annular gap junctions

Summary
Organism
Homo sapiens (human)
Reactome
R-HSA-196025
PubChem
R-HSA-196025
Description
  • Gap junction plaque internalization and the disruption cell communication requires a reorganization of Cx molecular interactions. Proteins including Dab-2, AP-2, Dynamin and Myosin VI associate with gap junction plaques permitting the internalisation of plaques after clathrin association (Piehl et al., 2007). Until now, two kinds of annular gap junctions have been described. The first is a small vesicle like structure which permits gap junction plaque renewal without arrest of functionality (Jordan et al., 2001). The second is a large annular structure, composed primarily of the junctional plaques of two adjacent cells (Jordan et al., 2001; Segretain et al., 2004).
Click on a node on the pathway to see its details. Glycoproteins are marked with a glycoprotein icon in their name.
Displaying all 10 entries
UniProt ID Protein Name Gene Symbol Pathway Viewer
P09496 Clathrin light chain A
  • CLTA
view
P09497 Clathrin light chain B
  • CLTB
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P50570 Dynamin-2
  • DNM2
  • DYN2
view
P53675 Clathrin heavy chain 2
  • CLH22
  • CLTCL
  • CLTCL1
  • CLTD
view
P60709 Actin, cytoplasmic 1
  • ACTB
view
P63261 Actin, cytoplasmic 2
  • ACTG
  • ACTG1
view
P98082 Disabled homolog 2
  • DAB2
  • DOC2
view
Q00610 Clathrin heavy chain 1
  • CLH17
  • CLTC
  • CLTCL2
  • KIAA0034
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Q05193 Dynamin-1
  • DNM
  • DNM1
view
Q96CW1 AP-2 complex subunit mu
  • AP2M1
  • CLAPM1
  • KIAA0109
view

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Acknowledgements

Supported by JST NBDC Grant Number JPMJND2204

Partly supported by NIH Common Fund Grant #1U01GM125267-01


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Last updated: April 6, 2026