Date published: 2026-4-25

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Pbx 3a Antibody (2.9): sc-101854

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Datasheets
  • Pbx 3a Antibody (2.9) is a mouse monoclonal IgG1 κ provided at 200 µg/ml
  • raised against a recombinant protein corresponding to amino acids 352-432 of Pbx 3a of mouse origin
  • Anti-Pbx 3a Antibody (2.9) is recommended for detection of Pbx 3a of mouse, rat and human origin by WB, IP, IF and IHC(P)
  • Anti-Pbx 3a Antibody (2.9) 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-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for Pbx 3a Antibody (2.9) for WB and IHC(P) applications. These reagents are now offered in bundles with Pbx 3a Antibody (2.9) (see ordering information below).
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    Pbx 3a Antibody (2.9) is a mouse monoclonal IgG1 kappa light chain antibody that detects Pbx 3a in mouse, rat, and human samples through applications such as western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and immunohistochemistry. Anti-Pbx 3a antibody (2.9) 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. Pbx 3a is a member of the TALE (three amino acid loop extension) family of homeodomain-containing proteins, which play crucial roles in regulating gene expression during development and differentiation. Pbx 3a (2.9) monoclonal antibody recognizes protein complexes that interact with other transcription factors, such as E2A proteins, which are essential for hematopoiesis and lymphocyte development. The interaction between Pbx 3a and E2A is particularly significant in human pre-B cell acute leukemias, where chromosomal rearrangements can lead to fusion proteins that disrupt normal cellular functions. Pbx 3a shares high sequence identity with Pbx 1 and Pbx 2, indicating a conserved functional role within the family, while also demonstrating unique expression patterns that suggest specialized functions in various tissues. Ubiquitous expression of Pbx genes in both fetal and adult tissues underscores their importance in maintaining cellular homeostasis and regulating developmental processes.

    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

    Pbx 3a Antibody (2.9) References:

    1. Expression of Meis and Pbx genes and their protein products in the developing telencephalon: implications for regional differentiation.  |  Toresson, H., et al. 2000. Mech Dev. 94: 183-7. PMID: 10842069
    2. Pbx4, a new Pbx family member on mouse chromosome 8, is expressed during spermatogenesis.  |  Wagner, K., et al. 2001. Mech Dev. 103: 127-31. PMID: 11335119
    3. Novel alternative PBX3 isoforms in leukemia cells with distinct interaction specificities.  |  Milech, N., et al. 2001. Genes Chromosomes Cancer. 32: 275-80. PMID: 11579467
    4. PBX2 and PBX3, new homeobox genes with extensive homology to the human proto-oncogene PBX1.  |  Monica, K., et al. 1991. Mol Cell Biol. 11: 6149-57. PMID: 1682799
    5. Chromosomal translocation t(1;19) results in synthesis of a homeobox fusion mRNA that codes for a potential chimeric transcription factor.  |  Nourse, J., et al. 1990. Cell. 60: 535-45. PMID: 1967982
    6. A new homeobox gene contributes the DNA binding domain of the t(1;19) translocation protein in pre-B ALL.  |  Kamps, MP., et al. 1990. Cell. 60: 547-55. PMID: 1967983
    7. P2X1 enhances leukemogenesis through PBX3-BCAT1 pathways.  |  He, X., et al. 2023. Leukemia. 37: 265-275. PMID: 36418376
    8. PBX3 promotes pentose phosphate pathway and colorectal cancer progression by enhancing G6PD expression.  |  Luo, X., et al. 2023. Int J Biol Sci. 19: 4525-4538. PMID: 37781025
    9. A 5.4-Mb continuous pulsed-field gel electrophoresis map of human 9q34.1 between ABL and D9S114, including the tuberous sclerosis (TSC1) region.  |  Henske, EP. and Kwiatkowski, DJ. 1995. Genomics. 28: 105-8. PMID: 7590733
    10. Fusion with E2A converts the Pbx1 homeodomain protein into a constitutive transcriptional activator in human leukemias carrying the t(1;19) translocation.  |  Lu, Q., et al. 1994. Mol Cell Biol. 14: 3938-48. PMID: 7910944
    11. Transformation properties of the E2a-Pbx1 chimeric oncoprotein: fusion with E2a is essential, but the Pbx1 homeodomain is dispensable.  |  Monica, K., et al. 1994. Mol Cell Biol. 14: 8304-14. PMID: 7969166
    12. Fusion with E2A alters the transcriptional properties of the homeodomain protein PBX1 in t(1;19) leukemias.  |  LeBrun, DP. and Cleary, ML. 1994. Oncogene. 9: 1641-7. PMID: 8183558

    Ordering Information

    Product NameCatalog #UNITPriceQtyFAVORITES

    Pbx 3a Antibody (2.9)

    sc-101854
    200 µg/ml
    $322.00

    Pbx 3a Antibody (2.9): m-IgG Fc BP-HRP Bundle

    sc-527077
    200 µg Ab; 10 µg BP
    $361.00

    Pbx 3a Antibody (2.9): m-IgG1 BP-HRP Bundle

    sc-532450
    200 µg Ab; 20 µg BP
    $361.00

    Pbx 3a Antibody (2.9) AC

    sc-101854 AC
    500 µg/ml, 25% agarose
    $424.00

    Pbx 3a Antibody (2.9) HRP

    sc-101854 HRP
    200 µg/ml
    $322.00

    Pbx 3a Antibody (2.9) FITC

    sc-101854 FITC
    200 µg/ml
    $336.00

    Pbx 3a Antibody (2.9) PE

    sc-101854 PE
    200 µg/ml
    $349.00

    Pbx 3a Antibody (2.9) Alexa Fluor® 488

    sc-101854 AF488
    200 µg/ml
    $364.00

    Pbx 3a Antibody (2.9) Alexa Fluor® 546

    sc-101854 AF546
    200 µg/ml
    $364.00

    Pbx 3a Antibody (2.9) Alexa Fluor® 594

    sc-101854 AF594
    200 µg/ml
    $364.00

    Pbx 3a Antibody (2.9) Alexa Fluor® 647

    sc-101854 AF647
    200 µg/ml
    $364.00

    Pbx 3a Antibody (2.9) Alexa Fluor® 680

    sc-101854 AF680
    200 µg/ml
    $364.00

    Pbx 3a Antibody (2.9) Alexa Fluor® 790

    sc-101854 AF790
    200 µg/ml
    $364.00

    For Western Blot, is it recommended to use denatured or non-denatured conditions with Pbx 3a (2.9): sc-101854 monoclonal antibody?

    Asked by: Randy McDonald
    Thank you for your question. We recommend this antibody for use in denatured Western Blot conditions. It has not been validated for use in non-denatured conditions. Please contact our Technical Service Department for further details or inquiries.
    Answered by: Technical Support
    Date published: 2017-02-27
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    Rated 5 out of 5 by from Works in Embryonic Neural Tissue for IHCWas able to get working well in embryonic PFA fixed neural tissue 1:200 with Antigen Retrieval
    Date published: 2017-08-17
    Rated 3 out of 5 by from Worked well with transfected lysate by WBWorked well with transfected lysate by WB -SCBT QC
    Date published: 2013-08-03
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    Pbx 3a Antibody (2.9) is rated 4.0 out of 5 by 2.
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