Human TRF2 Antibody

Catalog # Availability Size / Price Qty
Detection of Human TRF2 by Western Blot.
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Product Details
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Human TRF2 Antibody Summary

Species Reactivity
Detects human TRF2 in direct ELISAs. In direct ELISAs, no cross-reactivity with recombinant human TRF1 is observed.
Monoclonal Mouse IgG1 Clone # 689524
Protein A or G purified from hybridoma culture supernatant
E. coli-derived recombinant human TRF2
Gln78-Thr238 (predicted)
Accession # Q15554
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.


Recommended Concentration
Western Blot
1 µg/mL
See below

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.

Data Example

Western Blot Detection of Human TRF2 by Western Blot. View Larger

Detection of Human TRF2 by Western Blot. Western blot shows lysates of Daudi human Burkitt's lymphoma cell line, Jurkat human acute T cell leukemia cell line, and Raji human Burkitt's lymphoma cell line. PVDF membrane was probed with 1 µg/mL of Mouse Anti-Human TRF2 Monoclonal Antibody (Catalog # MAB5635) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for TRF2 at approximately 75 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 1.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Sterile PBS to a final concentration of 0.5 mg/mL.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
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.

Background: TRF-2

TRF2 (telomeric repeat-binding factor 2; also telomeric DNA-binding protein) is a 55-60 kDa, ubiquitously expressed nuclear protein that participates in telomere homeostasis. TRF-2 binds as a dimer to TTAGGG repeats at ends of chromosomes (telomeres), where it blocks inappropriate activation of the ATM/p53 pathway. It also collaborates with TRF1 to promote normal telomere length. Human TRF2 is 500 amino acids (aa) in length. It contains an N-terminal Arg-rich region (aa 13-30), a dimerization domain (aa 46-112), an NLS (aa 329-333), and a DNA binding HTH myb-type domain (aa 442-499). There is one potential alternate start site 42 aa upstream of the standard start site, and one splice form that shows a 13 aa substitution for aa 239-500. Over aa 78-238, human TRF2 shares 96% aa identity with mouse TRF2.

Long Name
Telomeric Repeat Binding Factor 2
Entrez Gene IDs
7014 (Human); 21750 (Mouse); 361403 (Rat)
Alternate Names
Telomeric DNA-binding protein; telomeric repeat binding factor 2; Telomeric repeat binding protein 2; telomeric repeat-binding factor 2; TERF 2; TERF2; TRBF 2; TRBF2; TRF 2; TRF2; TRF-2; TTAGGG repeat binding factor 2; TTAGGG repeat-binding factor 2

Product Datasheets


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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

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