======= JPH3 ======= == Gene Information == * **Official Symbol**: JPH3 * **Official Name**: junctophilin 3 * **Aliases and Previous Symbols**: N/A * **Entrez ID**: [[https://www.ncbi.nlm.nih.gov/gene/?term=57338|57338]] * **UniProt**: [[https://www.uniprot.org/uniprot/Q8WXH2|Q8WXH2]] * **Interactions**: [[https://thebiogrid.org/search.php?search=JPH3&organism=9606|BioGRID]] * **PubMed articles**: [[https://www.ncbi.nlm.nih.gov/pubmed/?term=gene%20JPH3|Open PubMed]] * **OMIM**: [[https://omim.org/entry/605268|Open OMIM]] == Function Summary == * **Entrez Summary**: Junctional complexes between the plasma membrane and endoplasmic/sarcoplasmic reticulum are a common feature of all excitable cell types and mediate cross talk between cell surface and intracellular ion channels. The protein encoded by this gene is a component of junctional complexes and is composed of a C-terminal hydrophobic segment spanning the endoplasmic/sarcoplasmic reticulum membrane and a remaining cytoplasmic domain that shows specific affinity for the plasma membrane. CAG/CTG repeat expansion from normally 6-28 repeats to 40-59 repeats in the 3' UTR of this gene have been associated with Huntington disease-like 2 (HDL2). This gene is a member of the junctophilin gene family. Alternatively spliced transcript variants have been described for this gene. [provided by RefSeq, Jul 2016]. * **UniProt Summary**: Junctophilins contribute to the formation of junctional membrane complexes (JMCs) which link the plasma membrane with the endoplasmic or sarcoplasmic reticulum in excitable cells. Provides a structural foundation for functional cross-talk between the cell surface and intracellular calcium release channels. JPH3 is brain- specific and appears to have an active role in certain neurons involved in motor coordination and memory. |MORN| |junctional membrane complex| |junctional sarcoplasmic reticulum membrane| |calcium-release channel activity| |exploration behavior| |regulation of ryanodine-sensitive calcium-release channel activity| |neuromuscular process controlling balance| |regulation of neuronal synaptic plasticity| |release of sequestered calcium ion into cytosol| |negative regulation of sequestering of calcium ion| |calcium ion transmembrane import into cytosol| |calcium ion transport into cytosol| |regulation of release of sequestered calcium ion into cytosol| |regulation of calcium ion transmembrane transporter activity| |cytosolic calcium ion transport| |regulation of calcium-mediated signaling| |regulation of calcium ion transport into cytosol| |neuromuscular process| |memory| |regulation of sequestering of calcium ion| |learning| |regulation of calcium ion transmembrane transport| |regulation of cation channel activity| |regulation of synaptic plasticity| |calcium ion transmembrane transport| |regulation of calcium ion transport| |calcium ion transport| |regulation of ion transmembrane transporter activity| |learning or memory| |regulation of transmembrane transporter activity| |regulation of transporter activity| |positive regulation of cytosolic calcium ion concentration| |divalent metal ion transport| |cognition| |divalent inorganic cation transport| |regulation of cytosolic calcium ion concentration| |regulation of cation transmembrane transport| |regulation of metal ion transport| |cellular calcium ion homeostasis| |modulation of chemical synaptic transmission| |regulation of trans-synaptic signaling| |calcium ion homeostasis| |cellular divalent inorganic cation homeostasis| |regulation of ion transmembrane transport| |divalent inorganic cation homeostasis| |cellular metal ion homeostasis| |inorganic cation transmembrane transport| |regulation of transmembrane transport| |behavior| |cation transmembrane transport| |metal ion homeostasis| |cellular cation homeostasis| |metal ion transport| |cellular ion homeostasis| |inorganic ion transmembrane transport| |regulation of ion transport| |cation homeostasis| |inorganic ion homeostasis| |cellular chemical homeostasis| |molecular function| |ion homeostasis| |cation transport| |cellular homeostasis| |regulation of cellular localization| |endoplasmic reticulum membrane| |ion transmembrane transport| |endoplasmic reticulum| |chemical homeostasis| |transmembrane transport| |locomotion| |ion transport| |nervous system process| |homeostatic process| |regulation of intracellular signal transduction| |establishment of localization in cell| |regulation of transport| |system process| \\ === CRISPR Data === ^Screen^Score^ |[[:results:exp112|S-DABN 8μM R03 exp112]]|2.04| No correlation found to any other genes in chemogenomics. Global Fraction of Cell Lines Where Essential: 0/739 ^Tissue^Fraction Of Cell Lines Where Essential^ |1290807.0|0/1| |909776.0|0/1| |bile duct|0/28| |blood|0/28| |bone|0/26| |breast|0/33| |central nervous system|0/56| |cervix|0/4| |colorectal|0/17| |esophagus|0/13| |fibroblast|0/1| |gastric|0/16| |kidney|0/21| |liver|0/20| |lung|0/75| |lymphocyte|0/16| |ovary|0/26| |pancreas|0/24| |peripheral nervous system|0/16| |plasma cell|0/15| |prostate|0/1| |skin|0/24| |soft tissue|0/9| |thyroid|0/2| |upper aerodigestive|0/22| |urinary tract|0/29| |uterus|0/5| == Essentiality in NALM6 == * **Essentiality Rank**: 6819 * **Expression level (log2 read counts)**: 0.11 {{:chemogenomics:nalm6 dist.png?nolink |}}