Date published: 2026-4-5

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Calmegin Antibody (B-11): sc-515251

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Datasheets
  • Calmegin Antibody (B-11) is a mouse monoclonal IgG2a κ Calmegin antibody provided at 200 µg/ml
  • raised against amino acids 507-610 mapping at the C-terminus of Calmegin of human origin
  • Calmegin Antibody (B-11) is recommended for detection of Calmegin of human origin by WB, IP, IF, IHC(P) and ELISA
  • Anti-Calmegin Antibody (B-11) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG2a BP-HRP is the preferred secondary detection reagent for Calmegin Antibody (B-11) for WB and IHC(P) applications. This reagent is now offered in a bundle with Calmegin Antibody (B-11) (see ordering information below).
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    Calmegin Antibody (B-11) is a mouse monoclonal IgG2a kappa light chain antibody that detects Calmegin protein of human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). anti-Calmegin antibody (B-11) is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. Calmegin, a member of the calreticulin family, is primarily located in the endoplasmic reticulum membrane of testicular cells, where Calmegin serves as a crucial chaperone protein involved in the complex process of spermatogenesis. This single-pass type I membrane protein is essential for the proper folding and maturation of proteins within the endoplasmic reticulum, ensuring that sperm cells develop correctly. Notably, Calmegin is transcriptionally regulated by both CpG methyltransferase and histone deacetylase, highlighting Calmegin′s intricate control during spermatogenesis. Calmegin is first expressed during meiotic prophase in spermatocytes and plays a vital role in facilitating the binding of sperm to the egg′s zona pellucida through interactions with specific sperm membrane proteins, such as fertilin a and b. A deficiency in Calmegin can lead to male sterility; however, if the zona pellucida is partially dissected and fertilization occurs in vitro, the resulting egg can still develop normally, underscoring Calmegin′s critical function in reproductive biology.

    For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

    Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

    LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

    Calmegin Antibody (B-11) References:

    1. Selective passage through the uterotubal junction of sperm from a mixed population produced by chimeras of calmegin-knockout and wild-type male mice.  |  Nakanishi, T., et al. 2004. Biol Reprod. 71: 959-65. PMID: 15151931
    2. Basic helix-loop-helix transcription factor Tcfl5 interacts with the Calmegin gene promoter in mouse spermatogenesis.  |  Siep, M., et al. 2004. Nucleic Acids Res. 32: 6425-36. PMID: 15585666
    3. Coordinated transcriptional regulation of calmegin,a testis-specific molecular chaperon, by histone deacetylase and CpG methyltransferase.  |  Kim, DH., et al. 2005. Exp Mol Med. 37: 492-6. PMID: 16264275

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    Calmegin Antibody (B-11)

    sc-515251
    200 µg/ml
    $322.00

    Calmegin Antibody (B-11): m-IgG2a BP-HRP Bundle

    sc-545982
    200 µg Ab; 10 µg BP
    $361.00

    Calmegin Antibody (B-11) AC

    sc-515251 AC
    500 µg/ml, 25% agarose
    $424.00

    Calmegin Antibody (B-11) HRP

    sc-515251 HRP
    200 µg/ml
    $322.00

    Calmegin Antibody (B-11) FITC

    sc-515251 FITC
    200 µg/ml
    $336.00

    Calmegin Antibody (B-11) PE

    sc-515251 PE
    200 µg/ml
    $349.00

    Calmegin Antibody (B-11) Alexa Fluor® 488

    sc-515251 AF488
    200 µg/ml
    $364.00

    Calmegin Antibody (B-11) Alexa Fluor® 546

    sc-515251 AF546
    200 µg/ml
    $364.00

    Calmegin Antibody (B-11) Alexa Fluor® 594

    sc-515251 AF594
    200 µg/ml
    $364.00

    Calmegin Antibody (B-11) Alexa Fluor® 647

    sc-515251 AF647
    200 µg/ml
    $364.00

    Calmegin Antibody (B-11) Alexa Fluor® 680

    sc-515251 AF680
    200 µg/ml
    $364.00

    Calmegin Antibody (B-11) Alexa Fluor® 790

    sc-515251 AF790
    200 µg/ml
    $364.00

    What blocking solution should I use with Calmegin (B-11): sc-515251 monoclonal antibody for Western blot?

    Asked by: Dr Ninau Qelp
    Thank you for your question. We recommend blocking with Blotto (either TBS Blotto A: sc-2333 or TBS Blotto B: sc-2335). Our Western blot protocol can be found here: https://www.scbt.com/scbt/resources/protocols/western-immuno-blotting
    Answered by: Technical Support
    Date published: 2017-11-22
    • y_2026, m_3, d_26, h_7CST
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    Rated 5 out of 5 by from Great choice for Western Blot of human CalmeginThis antibody works well in human cell lines HepG2 and U-251 MG, and in human testis and human heart tissue extracts. Does not react with mouse testis (lane 3), shows 2° bands only. -SCBT QC
    Date published: 2023-09-14
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    Calmegin Antibody (B-11) is rated 5.0 out of 5 by 1.
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