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|Tested species reactivity||Mouse|
|Published species reactivity||Rat, Human|
|Host / Isotype||Rabbit / IgG|
|Immunogen||Synthetic peptide derived from the C-terminal region of the mouse junctophilin-2 (JPH2, JP-2, junctophilin type 2) protein, which differs from rat by one non-conservative amino acid|
|Purification||Antigen affinity chromatography|
|Storage buffer||PBS, pH 7.4|
|Contains||0.1% sodium azide|
|Tested Applications||Dilution *|
|Flow Cytometry (Flow)||3-5 µg/10^6 cells|
|Immunofluorescence (IF)||Assay Dependent|
|Immunohistochemistry (Frozen) (IHC (F))||Assay Dependent|
|Immunohistochemistry (Paraffin) (IHC (P))||1:20|
|Western Blot (WB)||2-3 µg/mL|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
Junctional complexes between the plasma membrane (PM) and endoplasmic/sarcoplasmic reticulum (ER/SR) are a common feature of all excitable cell types and mediate cross talk between cell surface and intracellular ion channels. Junctophilins (JPs) are important components of the junctional complexes. JPs are composed of a carboxy-terminal hydrophobic segment spanning the ER/SR membrane and a remaining cytoplasmic domain that shows specific affinity for the PM. Four JPs have been identified as tissue-specific subtypes derived from different genes: JPH1 is expressed in skeletal muscle, JPH2 is detected throughout all muscle cell types, and JPH3 and JPH4 are predominantly expressed in the brain and contribute to the subsurface cistern formation in neurons. JPH2-null mice died of embryonic cardiac arrest and human patients with mutations in the JPH2 gene showed hypertrophic cardiomyopathy, demonstrating the importance of this protein. Multiple isoforms of JPH2 are known to exist.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
Ca2+-dependent proteolysis of junctophilin-1 and junctophilin-2 in skeletal and cardiac muscle.
40-5300 was used in western blot to study junctophilin proteolysis in skeletal muscle.
|Murphy RM,Dutka TL,Horvath D,Bell JR,Delbridge LM,Lamb GD||The Journal of physiology (591:719)||2013|
|Human||Not Cited||Junctophilin 1 and 2 proteins interact with the L-type Ca2+ channel dihydropyridine receptors (DHPRs) in skeletal muscle.||Golini L,Chouabe C,Berthier C,Cusimano V,Fornaro M,Bonvallet R,Formoso L,Giacomello E,Jacquemond V,Sorrentino V||The Journal of biological chemistry (286:43717)||2011|
CMH17; JP2; junctophilin type 2; junctophilin-2
1110002E14Rik; JP-2; Jp2; Jph2