hnRNP K (D9A8) Rabbit mAb #9081
- WB
- IP
Supporting Data
| REACTIVITY | H M R Mk |
| SENSITIVITY | Endogenous |
| MW (kDa) | 58-62 |
| Source/Isotype | Rabbit IgG |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
- R-Rat
- Mk-Monkey
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:50 |
Storage
Protocol
Specificity / Sensitivity
Species Reactivity:
Source / Purification
Monoclonal antibody is produced by immunizing animals with a synthetic peptide corresponding to residues near the amino terminus of human hnRNP K protein.
Background
Heterogeneous nuclear ribonucleoprotein K (hnRNP K) belongs to a family of RNA binding multiprotein complexes (hnRNP proteins) that facilitate pre-mRNA processing and transport of mRNA from the nucleus to cytoplasm (1-3). hnRNP K contains three unique structural motifs termed KH domains that bind poly(C) DNA and RNA sequences (4,5). Intricate architecture enables hnRNP K to facilitate mRNA biosynthesis (6), transcriptional regulation (7), and signal transduction. Research studies have shown that cytoplasmic hnRNP K expression is increased in oral squamous cell carcinoma and pancreatic cancer, and may be a potential prognostic factor (8,9). hnRNP K coordinates with p53 to regulate its target gene transcription in response to DNA damage. Proteasome degradation of hnRNP K is mediated by E3 ligase MDM2 (10). The interaction between hnRNP K and c-Src leads to hnRNP K phosphorylation, which allows for hnRNP K activation of silenced mRNA translation (11).
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- Siomi, H. et al. (1994) Cell 77, 33-9.
- Miau, L.H. et al. (1998) J Biol Chem 273, 10784-91.
- Tomonaga, T. and Levens, D. (1995) J Biol Chem 270, 4875-81.
- Choi, H.S. et al. (2009) Biochem Biophys Res Commun 380, 431-6.
- Bustelo, X.R. et al. (1995) Mol Cell Biol 15, 1324-32.
- Michelotti, E.F. et al. (1996) Mol Cell Biol 16, 2350-60.
- Zhou, R. et al. (2010) Int J Cancer 126, 395-404.
- Matta, A. et al. (2009) Int J Cancer 125, 1398-406.
- Moumen, A. et al. (2005) Cell 123, 1065-78.
- Ostareck-Lederer, A. et al. (2002) Mol Cell Biol 22, 4535-43.
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