Gene Symbol | CATSPER2 |
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Entrez Gene | 117155 |
Alt Symbol | - |
Species | Human |
Gene Type | protein-coding |
Description | cation channel, sperm associated 2 |
Other Description | cation channel sperm-associated protein 2|sperm ion channel |
Swissprots | Q96P55 Q96P54 Q8NHT9 Q96P56 |
Accessions | EAW50798 EAW50801 EAW50802 Q96P56 AF411817 AAL26490 AF411818 AAL26491 AF411819 AAL26492 AK093318 AK122607 BAG53620 AW135409 BC028728 AAH28728 BC064387 AAH64387 BM998110 BX648099 DQ655952 HQ448354 ADQ32834 XM_011521204 XP_011519506 NM_001282309 NP_001269238 NM_001282310 NP_001269239 NM_054020 NP_473361 NM_172095 NP_742093 NR_110319 NM_172097 |
Function | 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. {ECO:0000269|PubMed:21412338, ECO:0000269|PubMed:21412339}. |
Subcellular Location | Cell projection, cilium, flagellum membrane {ECO:0000250}; Multi-pass membrane protein {ECO:0000250}. Note=Specifically located in the principal piece of sperm tail. |
Tissue Specificity | Testis-specific. {ECO:0000269|PubMed:11675491, ECO:0000269|PubMed:17347248}. |
CATSPER2 Antibody Blocking Peptide - LS-E6309 from LifeSpan Bioscience
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CATSPER2 Antibody Blocking Peptide - LS-E12605 from LifeSpan Bioscience
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CATSPER2 Antibody Blocking Peptide - LS-E12607 from LifeSpan Bioscience
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CATSPER2 Antibody Blocking Peptide - LS-E12606 from LifeSpan Bioscience
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CATSPER2-Antibody-C-term-Blocking-Peptide - BP18998b from Abgent, a WuXi AppTec company
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CATSPER2 Blocking Peptide - 33R-5202 from Fitzgerald
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CATSPER2 Blocking Peptide - 33R-3784 from Fitzgerald
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CATSPER2 Blocking Peptide - 33R-3783 from Fitzgerald
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CatSper2 Protein - NBP2-14439PEP from Novus Biologicals
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CATSPER2 Peptide, Human - M34GP02410H from Creative Peptides
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Cation channel sperm-associated protein 2 (CATSPER2), Recombinant Protein - MBS7010768 from MyBioSource
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CATSPER2 fusion protein - Ag26069 from Proteintech Group
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