R Recombinant
Recombinant: Superior lot-to-lot consistency, continuous supply, and animal-free manufacturing.
EAF2 (E1R8C) Rabbit mAb #14159
Filter:
- WB
- IP
- ChIP
Supporting Data
| REACTIVITY | H |
| SENSITIVITY | Endogenous |
| MW (kDa) | 42 |
| Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
- ChIP-Chromatin Immunoprecipitation
Species Cross-Reactivity Key:
- H-Human
Product Information
Product Usage Information
For optimal ChIP results, use 5 μl of antibody and 10 μg of chromatin (approximately 4 x 106 cells) per IP. This antibody has been validated using SimpleChIP® Enzymatic Chromatin IP Kits.
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:100 |
| Chromatin IP | 1:100 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA, 50% glycerol and less than 0.02% sodium azide. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
EAF2 recognizes endogenous levels of total EAF2 protein.
Species Reactivity:
Human
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the carboxy terminus of human EAF2 protein.
Background
The super elongation complex (SEC) plays a critical role in regulating RNA polymerase II (RNAPII) transcription elongation (1). The SEC is composed of AFF4, AFF1/AF4, MLLT3/AF9, and MLLT1/ENL proteins. The pathogenesis of mixed lineage leukemia is often associated with translocations of the SEC subunits joined to the histone H3 Lys4 methyltransferase mixed lineage leukemia (MLL) gene (1-4). The SEC has been found to contain RNAPII elongation factors eleven-nineteen lysine-rich leukemia (ELL), ELL2, and ELL3, along with the associated factors EAF1 and EAF2, which can increase the catalytic rate of RNAPII transcription in vitro, (1,2,5-7). The SEC positive transcription elongation factor b (P-TEFb) phosphorylates the carboxy-terminal domain within the largest subunit of RNAP II at Ser2 of the heptapeptide repeat. The SEC negative transcription elongation factors, DRB-induced stimulating factor (DSIF) and negative elongation factor (NELF), signal the transition from transcription initiation and pausing to productive transcription elongation (2,8-10). The chromosomal translocation of MLL with the members of the SEC leads to SEC recruitment to MLL regulated genes, such as the highly developmentally regulated HOX genes, implicating the misregulation and overexpression of these genes as underlying contributors to leukemogenesis (1,2,9,11).
ELL associated factor 2 (EAF2) was identified as an interacting partner of eleven-nineteen lysine-rich leukemia (ELL) (12). EAF2 (U19) has also been identified as a protein that is down-regulated in prostate cancers and exhibits growth inhibitory and tumor suppressive activity (13,14).
ELL associated factor 2 (EAF2) was identified as an interacting partner of eleven-nineteen lysine-rich leukemia (ELL) (12). EAF2 (U19) has also been identified as a protein that is down-regulated in prostate cancers and exhibits growth inhibitory and tumor suppressive activity (13,14).
- Mohan, M. et al. (2010) Nat Rev Cancer 10, 721-8.
- Lin, C. et al. (2010) Mol Cell 37, 429-37.
- Drexler, H.G. et al. (2004) Leukemia 18, 227-32.
- Smith, E. et al. (2011) Genes Dev 25, 661-72.
- Shilatifard, A. et al. (1996) Science 271, 1873-6.
- Shilatifard, A. et al. (1997) Proc Natl Acad Sci U S A 94, 3639-43.
- Miller, T. et al. (2000) J Biol Chem 275, 32052-6.
- Lin, C. et al. (2011) Genes Dev 25, 1486-98.
- Yokoyama, A. et al. (2010) Cancer Cell 17, 198-212.
- Cho, S. et al. (2010) Cell Cycle 9, 1697-705.
- Shah, N. and Sukumar, S. (2010) Nat Rev Cancer 10, 361-71.
- Simone, F. et al. (2003) Blood 101, 2355-62.
- Xiao, W. et al. (2003) Cancer Res 63, 4698-704.
- Qiao, Z. et al. (2014) Prostate 74, 113-20.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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