Phospho-C/EBPβ (Thr235) Antibody #3084
- WB
Supporting Data
| REACTIVITY | H M |
| SENSITIVITY | Endogenous |
| MW (kDa) | 19 LIP. 36 LAP. 38 LAP. |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Protocol
Specificity / Sensitivity
Species Reactivity:
The antigen sequence used to produce this antibody shares 100% sequence homology with the species listed here, but reactivity has not been tested or confirmed to work by CST. Use of this product with these species is not covered under our Product Performance Guarantee.
Species predicted to react based on 100% sequence homology:
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding threonine 235 of human C/EBPβ. Antibodies are purified by protein A and peptide affinity chromatography.
Background
CCAAT/enhancer-binding proteins (C/EBPs) are a family of transcription factors critical for cellular differentiation, terminal functions, and inflammatory response (1). Six members of the family have been characterized (C/EBPα, -β, -γ, -δ, -ε, and -ζ) and are distributed in a variety of tissues (1). There are two forms of C/EBPβ, the 38 kDa liver activating protein (LAP) and the 20 kDa liver inhibitory protein (LIP) which may be products of alternative translation. The 38 kDa LAP protein is a transcriptional activator while LIP may act as an inhibitor of C/EBPβ transcriptional activity (2). Phosphorylation of C/EBPβ at distinct sites stimulates its transcriptional activity (3-5). Phosphorylation at serine 105 of rat C/EBPβ, a unique site only present in the rat sequence, seems essential for rat C/EBPβ activation (6).
- Lekstrom-Himes, J. and Xanthopoulos, K.G. (1998) J. Biol. Chem. 273, 28545-28548.
- Calkhoven, C.F. et al. (2000) Genes Dev. 14, 1920-1932.
- Wegner, M. et al. (1992) Science 256, 370-373.
- Trautwein, C. et al. (1993) Nature 364, 544-547.
- Nakajima, T. et al. (1993) Proc. Natl. Acad. Sci. USA 90, 2207-2211.
- Buck, M. et al. (1999) Mol. Cell 4, 1087-1092.
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