Detects human TCF-3/E2A in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant human (rh) TCF-1 (aa 116‑233), rhTCF-1 (aa 217-358), rhTCF-1 alpha/LEF-1, rhTCF-2, rhTCF-4, rhTCF-12, rhTCF7L1 (aa 151-320), rhTCFL1 (aa 429-581), or rhTCF7L2 (aa 131-300) is observed.
Monoclonal Rat IgG2A Clone # 401703
Protein A or G purified from hybridoma culture supernatant
E.coli-derived recombinant human TCF-3/E2A Gln100-Glu500 Accession # NP_003191
Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Detection of Human TCF-3/E2A by Western Blot. Western blot shows lysates of Jurkat human acute T cell leukemia cell line. PVDF Membrane was probed with 2 µg/mL of Human TCF-3/E2A Monoclonal Antibody (Catalog # MAB44062) overnight at 4oC followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for TCF-3/E2A at approximately 90 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.
Preparation and Storage
Sterile PBS to a final concentration of 0.5 mg/mL.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
TCF-3, also known as E2A and ITF-1, is a member of the E protein homeobox family. TCF-3 regulates checkpoints that allow B lineage commitment and B and T cell receptor gene rearrangement. Two isoforms named E12 and E47 are alternatively spliced within the DNA binding and HLH domain. The region of human TCF-3 used as the immunogen, which is identical for E12 and E47, shares 80% and 79% aa identity with mouse and rat TCF-3, respectively.
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