Plakophilin
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Plakophilin are proteins of the cytoskeleton. They are involved in regulating the adhesive activity of
cadherin Cadherins (named for "calcium-dependent adhesion") are a type of cell adhesion molecule (CAM) that is important in the formation of adherens junctions to allow cells to adhere to each other . Cadherins are a class of type-1 transmembrane proteins, ...
. The three types of plakophilin proteins found in humans are
PKP1 Plakophilin-1 is a protein that in humans is encoded by the ''PKP1'' gene. Function This gene encodes a member of the arm-repeat (armadillo) and plakophilin gene families. Plakophilin proteins contain numerous armadillo repeats, localize to cel ...
,
PKP2 Plakophilin-2 is a protein that in humans is encoded by the ''PKP2'' gene. Plakophilin 2 is expressed in skin and cardiac muscle, where it functions to link cadherins to intermediate filaments in the cytoskeleton. In cardiac muscle, plakophilin-2 ...
, and PKP3; all exhibiting dual localization in the nucleus as well as desmosomes. Genes include: *
PKP1 Plakophilin-1 is a protein that in humans is encoded by the ''PKP1'' gene. Function This gene encodes a member of the arm-repeat (armadillo) and plakophilin gene families. Plakophilin proteins contain numerous armadillo repeats, localize to cel ...
*
PKP2 Plakophilin-2 is a protein that in humans is encoded by the ''PKP2'' gene. Plakophilin 2 is expressed in skin and cardiac muscle, where it functions to link cadherins to intermediate filaments in the cytoskeleton. In cardiac muscle, plakophilin-2 ...
* PKP3


See also

*
List of conditions caused by problems with junctional proteins Mutations of proteins that hold the cells of the skin together can cause disease. Autoantibodies against proteins that hold the cells of the skin together can also cause disease. See also * List of keratins expressed in the human integumen ...


References

Protein families Cytoskeleton {{biochem-stub