TRF-1 Antibody (57-6) [FITC] Summary
Immunogen |
Recombinant human TRF1 [UniProt# P54274] |
Localization |
Nucleus |
Marker |
Telomere Marker |
Isotype |
IgG1 Kappa |
Clonality |
Monoclonal |
Host |
Mouse |
Gene |
TERF1 |
Purity |
Protein G purified |
Innovator's Reward |
Test in a species/application not listed above to receive a full credit towards a future purchase. |
Applications/Dilutions
Dilutions |
- ELISA
- Flow Cytometry
- Immunocytochemistry/ Immunofluorescence
- Simple Western
- Western Blot
|
Application Notes |
Optimal dilution of this antibody should be experimentally determined. |
Packaging, Storage & Formulations
Storage |
Store at 4C in the dark. |
Buffer |
PBS |
Preservative |
0.05% Sodium Azide |
Purity |
Protein G purified |
Alternate Names for TRF-1 Antibody (57-6) [FITC]
Background
TRF1 (telomeric repeat-binding factor 1) is a protein that binds telomeric double-stranded TTAGGG repeat and is implicated in telomere replication, telomere protection, telomere length maintenance, resolution of sister telomeres and mitotic spindle regulation. TRF1 interacts directly with TIN2 in shelterin complex (TRF1, TRF2, TIN2, POT1, TPP1 and hRap1; a complex that coats telomeres for their protection and regulation of telomere length) and it then binds to TRF2/TPP1. While POT1 binds to TPP1, TRF2 interacts and forms a complex with hRap1. Upon ionizing DNA damage, TRF1 gets phosphorylated (ser-219) in ATM-dependent manner. ADP-ribosylation by TNKS1 or TNKS2 diminishes TRF1's telomeric DNA binding ability, whereas, RLIM/RNF12 as well as SCF (SKP1-CUL1-F-box protein) can ubiquinate TRF1 for its degradation. TRF1 is ubiquitously expressed and during the cell cycle, its levels are low in G1/S phases which may increase during G2/M phases. Overexpression of TRF1 promotes telomere shortening whereas loss of TRF1 accumulate telomere fusions and induce telomerase-dependent telomere lengthening, implying that TRF1 negatively regulates telomerase-dependent telomere extension, perhaps by restricting the access of telomerase to the ends of telomeres. TRF1 knockout leads to embroynic lethality and deletion of TRF1 promotes the formation of fragile telomeres.
Limitations
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are
guaranteed for 1 year from date of receipt.
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Secondary Antibodies
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