Phospho-RanBP3 (Ser58) Antibody #9380
Filter:
- WB
- IP
Supporting Data
| REACTIVITY | H Mk |
| SENSITIVITY | Endogenous |
| MW (kDa) | 70 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
Species Cross-Reactivity Key:
- H-Human
- Mk-Monkey
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:50 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
Phospho-RanBP3 (Ser58) Antibody recognizes endogenous levels of RanBP3b protein only when phosphorylated at Ser58, and RanBP3a protein only when phosphorylated at corresponding residue Ser126.
Species Reactivity:
Human, Monkey
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Ser58 of human RanBP3b protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
RanBP3 was originally identified as RanGTP binding protein located in the nucleus and involved in the nuclear exporting process (1). It functions as a cofactor for CRM1 nuclear export by binding to CRM1, stabilizing the RanGTP-CRM1-cargo interaction and promoting complex association with nuclear pore proteins (2,3). In the absence of Ran-bound GTP, RanBP3 prevents binding of CRM1 complex to the nuclear pore complex. In addition to CRM1, RanBP3 also has been shown to bind to RanGEF-RCC1 and increase the guanine nucleotide exchange activity of RCC1 for RanGTP-CRM1-Cargo (1,4). In some cases, as with β-catenin and Smad2/3, RanBP3 binding may mediate the target protein nuclear export in a Ran-dependent, but CRM1-independent manner (5,6). RanBP3 is phosphorylated at Ser58 through the PI3K/Akt or ERK/RSK pathway. This phosphorylation is important for RanBP3 function in nuclear export, likely due to stimulation of RCC1 activity (7,8).
- Mueller, L. et al. (1998) FEBS Lett 427, 330-6.
- Lindsay, M.E. et al. (2001) J Cell Biol 153, 1391-402.
- Englmeier, L. et al. (2001) EMBO Rep 2, 926-32.
- Nemergut, M.E. et al. (2002) J Biol Chem 277, 17385-8.
- Hendriksen, J. et al. (2005) J Cell Biol 171, 785-97.
- Dai, F. et al. (2009) Dev Cell 16, 345-57.
- Yoon, S.O. et al. (2008) Mol Cell 29, 362-75.
- von Knethen, A. et al. (2010) J Cell Sci 123, 192-201.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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