Cat. # | Size | Price | Inventory |
---|---|---|---|
14372S | 100 µl |
REACTIVITY | H M R |
SENSITIVITY | Endogenous |
MW (kDa) | 58 |
SOURCE | Rabbit |
Product Information
Application | Dilution |
---|---|
Western Blotting | 1:1000 |
For western blots, incubate membrane with diluted primary antibody in 5% w/v nonfat dry milk, 1X TBS, 0.1% Tween® 20 at 4°C with gentle shaking, overnight.
NOTE: Please refer to primary antibody product webpage for recommended antibody dilution.
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.
Load 20 µl onto SDS-PAGE gel (10 cm x 10 cm).
NOTE: Loading of prestained molecular weight markers (#59329, 10 µl/lane) to verify electrotransfer and biotinylated protein ladder (#7727, 10 µl/lane) to determine molecular weights are recommended.
NOTE: Volumes are for 10 cm x 10 cm (100 cm2) of membrane; for different sized membranes, adjust volumes accordingly.
* Avoid repeated exposure to skin.
posted June 2005
revised June 2020
Protocol Id: 263
Human, Mouse, Rat
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Glu66 of human KPNA2 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Importins belong to the karyopherin family of nuclear transport proteins and are divided into two subgroups: importin alpha and importin beta. Importins function mainly in the import and export of nuclear proteins (1,2). KPNA2 (karyopherin alpha 2), a member of the importin alpha family, contains an N-terminal importin beta binding (IBB) motif followed by a hydrophobic region consisting of 10 armadillo repeats that function in binding to the nuclear localization signal (NLS) sites of cargo proteins (3-5). A trimeric complex (importin beta/KPNA2/cargo protein) forms, translocates into the nucleus, and then dissociates upon binding of RanGTP to importin beta. The dissociated importin alpha is recycled back to the cytoplasm with the help of export factor CAS (6,7). KPNA2 can differentially regulate target localization by binding to different cargo proteins, either actively transporting them to the nucleus (such as oct3/4) or retaining them in the cytoplasm by formation of incompetent complexes (such as oct6/brn2) (8). Research studies indicate that KPNA2 promotes cell proliferation and tumorigenesis. Research studies have also shown that up-regulation of KPNA2 is associated with cancer progression. Therefore, it has become a focus of biomarker research (9-13).
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