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Rabbit Anti-SPACA1 antibody
The correlation of anti-sperm antibodies with cases of unexplained infertility implicates a role for these antibodies in blocking fertilization. Improved diagnosis and treatment of immunologic infertility, as well as identification of proteins for targeted contraception, are dependent on the identification and characterization of relevant sperm antigens. The protein expressed by this gene is recognized by anti-sperm antibodies from infertile males. Furthermore, antibodies generated against the recombinant protein block in vitro fertilization. This protein localizes to the acrosomal membrane of spermatids and mature spermatozoa where it is thought to play a role in acrosomal morphogenesis and in sperm-egg binding and fusion, respectively. [provided by RefSeq, Jul 2008]
Function:
May be involved in sperm-egg fusion.
Subcellular Location:
Membrane.
Tissue Specificity:
Testis specific. At the equatorial segment and the inner acrosomal membrane of capacitated sperm.
SWISS:
Q9HBV2
Gene ID:
81833
Database links:
Entrez Gene: 81833 Human
Omim: 612739 Human
SwissProt: Q9HBV2 Human
Unigene: 161241 Human
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