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CATSPER1
Anti-CATSPER1 Recombinant Antibody Products
- Recombinant Anti-Human CATSPER1 Antibody (MOB-3285z)
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- Derivation: Mouse
- Species Reactivity: Human
- Type: IgG
- Application: ELISA, IF, FuncS
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For Research Use Only. Not For Clinical Use.
Voltage-gated calcium channel that plays a central role in calcium-dependent physiological responses essential for successful fertilization, such as sperm hyperactivation, acrosome reaction and chemotaxis towards the oocyte. Activated by extracellular progesterone and prostaglandins following the sequence: progesterone > PGF1-alpha = PGE1 > PGA1 > PGE2 >> PGD2. The primary effect of progesterone activation is to shift voltage dependence towards more physiological, negative membrane potentials; it is not mediated by metabotropic receptors and second messengers. Sperm capacitation enhances the effect of progesterone by providing additional negative shift. Also activated by the elevation of intracellular pH.
Protein class
Disease related genes, Human disease related genes, Potential drug targets, Transporters
Predicted location
Membrane
Single cell type specificity
Cell type enhanced (granulocytes, Early spermatids, NK-cells, monocytes, Hofbauer cells)
Immune cell specificity
Immune cell enhanced (basophil)
Cell line specificity
Cell line enhanced (CAPAN-2, EFO-21, HEL, HMC-1)
Interaction
Component of the CatSper complex or CatSpermasome composed of the core pore-forming members CATSPER1, CATSPER2, CATSPER3 and CATSPER4 as well as auxiliary members CATSPERB, CATSPERG, CATSPERD, CATSPERE, CATSPERZ, TMEM249, TMEM262 and EFCAB9 (By similarity). HSPA1 may be an additional auxiliary complex member (By similarity). The core complex members CATSPER1, CATSPER2, CATSPER3 and CATSPER4 form a heterotetrameric channel (By similarity). The auxiliary CATSPERB, CATSPERG, CATSPERD and CATSPERE subunits form a pavilion-like structure over the pore which stabilizes the complex through interactions with CATSPER4, CATSPER3, CATSPER1 AND CATSPER2 respectively (By similarity). TMEM262/CATSPERH interacts with CATSPERB, further stabilizing the complex (By similarity). Interacts with Ca(v)3.3/CACNA1I, leading to suppression of T-type calcium channel activity (PubMed:16740636).
Molecular function
Calcium channel, Developmental protein, Ion channel, Voltage-gated channel
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