Protein name:
Cation channel sperm-associated protein 2 (CatSper2) ;
Alternative:
Organism:
Human (Homo sapiens).
General Annotation
Sub Unit:
Heterotetramer; possibly composed of CATSPER1, CATSPER2, CATSPER3 and CATSPER4 (Potential). Interacts with Ca(v)3.3/CACNA1I, leading to suppress T-type calcium channel activity.
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.
Subcellular Location:
Cell projection
cilium
flagellum membrane
Multi-pass membrane protein
Specifically located in the principal piece of sperm tail.
Protein Attributes:
50:
MAAYQQEEQM | QLPRADAIRS | RLIDTFSLIE | HLQGLSQAVP | RHTIRELLDP |
100:
SRQKKLVLGD | QHQLVRFSIK | PQRIEQISHA | QRLLSRLHVR | CSQRPPLSLW |
150:
AGWVLECPLF | KNFIIFLVFL | NTIILMVEIE | LLESTNTKLW | PLKLTLEVAA |
200:
WFILLIFILE | ILLKWLSNFS | VFWKSAWNVF | DFVVTMLSLL | PEVVVLVGVT |
250:
GQSVWLQLLR | ICRVLRSLKL | LAQFRQIQII | ILVLVRALKS | MTFLLMLLLI |
300:
FFYIFAVTGV | YVFSEYTRSP | RQDLEYHVFF | SDLPNSLVTV | FILFTLDHWY |
350:
ALLQDVWKVP | EVSRIFSSIY | FILWLLLGSI | IFRSIIVAMM | VTNFQNIRKE |
400:
LNEEMARREV | QLKADMFKRQ | IIQRRKNMSH | EALTSSHSKI | EDSSRGASQQ |
450:
RESLDLSEVS | EVESNYGATE | EDLITSASKT | EETLSKKREY | QSSSCVSSTS |
500:
SSYSSSSESR | FSESIGRLDW | ETLVHENLPG | LMEMDQDDRV | WPRDSLFRYF |
530:
ELLEKLQYNL | EERKKLQEFA | VQALMNLEDK |
Vaild Sequence:
Related Databases
Uniprot:
ELISA Kit
CLIA Kit
Polyclonal Antibody
Monoclonal Antibody
Protein
FOR
Rat
Mouse
Human
ELISA Kit for Human CatSper2
ELISA Kit for Human CatSper2
ELISA Kit for Human CatSper2
CLIA Kit for Human CatSper2
CLIA Kit for Human CatSper2
CLIA Kit for Human CatSper2
Polyclonal Antibody for Human CatSper2
Polyclonal Antibody for Human CatSper2
Polyclonal Antibody for Human CatSper2
Monoclonal Antibody for Human CatSper2
Monoclonal Antibody for Human CatSper2
Monoclonal Antibody for Human CatSper2
Protein for Human CatSper2
Protein for Human CatSper2
Protein for Human CatSper2
R&D Technical Data
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Precision
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Recovery
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Linearity
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References
1.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : NUCLEOTIDE SEQUENCE [MRNA] (ISOFORMS 1; 2 AND 3);TISSUE SPECIFICITY
2.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : NUCLEOTIDE SEQUENCE [LARGE SCALE MRNA] (ISOFORMS 2 AND 4)
tissue :
Brain .
tissue :
Testis .
3.
"CATSPER2, a human autosomal nonsyndromic male infertility gene."
Avidan N.
,
Tamary H.
,
Dgany O.
,
Cattan D.
,
Pariente A.
,
Thulliez M.
,
Borot N.
,
Moati L.
,
Barthelme A.
,
Shalmon L.
,
Krasnov T.
,
Ben-Asher E.
,
Olender T.
,
Khen M.
,
Yaniv I.
,
Zaizov R.
,
Shalev H.
,
Delaunay J.
,
Fellous M.
,
Lancet D.
,
Beckmann J.S.
more...
Eur. J. Hum. Genet.11:497-502(2003)
[
PubMed ]
[
Europe PMC ]
[
Abstract ]
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : INVOLVEMENT IN DIS
4.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : INTERACTION WITH CACNA1I
5.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : INVOLVEMENT IN DIS
6.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : TISSUE SPECIFICITY
7.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : FUNCTION IN ACTIVATION BY PROGESTERONE
8.
[15/1/25 17:38] Upload to ab completed in less than a minute: 1 file transferred (13.4 Kb/s)
Cited for : FUNCTION IN ACTIVATION BY PROGESTERONE