SPAG1, NT (SPAG1, Sperm-associated antigen 1, HSD-3.8, Infertility-related sperm protein Spag-1) (FITC)

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 agglutinating antibodies from an infertile woman. Furthermore, immunization of female rats with the recombinant human protein reduced fertility. This protein localizes to the plasma membrane of germ cells in the testis and to the post-acrosomal plasma membrane of mature spermatozoa. Recombinant polypeptide binds GTP and exhibits GTPase activity. Thus, this protein may regulate GTP signal transduction pathways involved in spermatogenesis and fertilization. Two transcript variants of this gene encode the same protein. [provided by RefSeq].\n\nApplications:\nSuitable for use in Western Blot, Immunohistochemistry, ELISA\n\nRecommended Dilution:\nELISA: 1:1,000\nWestern Blot: 1:100-500\nImmunohistochemistry: 1:50-100\n\nStorage and Stability:\nMay be stored at 4 degrees C for short-term only. Aliquot to avoid repeated freezing and thawing. Do not freeze FITC conjugates. Light sensitive. Aliquots are stable for 6 months. For maximum recovery of product, centrifuge the original vial after thawing and prior to removing the cap.

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SPECIFICATIONS

Catalog Number

042194-FITC

Size

200ul

Applications

ELISA, IHC, WB

Hosts

Rabbit

Reactivities

Hum

Form

Supplied as a liquid in PBS, pH 7.2. Contains ~0.09% sodium azide. Conjugated to FITC.

P Type

Pab

Purity

Purified by Protein A affinity chromatography.

Isotype

IgG

References

Lin, W., et al. Mol. Hum. Reprod. 7(9):811-818(2001)\nDiekman, A.B., et al. Am. J. Reprod. Immunol. 37(1):111-117(1997)\nZhang, M.L., et al. Chin. Med. J. 105(12):998-1003(1992)

Additional Info

Human

Alternative Names

SPAG1, Sperm-associated antigen 1, HSD-3.8, Infertility-related sperm protein Spag-1