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Western blot analysis was performed on whole cell extracts (30 µg lysate) of HEL 92.1.7 (Lane 1), K-562 (Lane 2), U-2 OS (Lane 3), Caco-2 (Lane 4) and PC-3 (Lane 5). The blot was probed with Anti-NPI 1 Mouse Monoclonal Antibody (Product # 37-0800, 2 µg/ml) and detected by chemiluminescence using Goat anti-Mouse IgG (H+L) Superclonal™ Secondary Antibody, HRP conjµgate (Product # A28177, 0.4 µg/ml, 1:2500 dilution). A ~60 kDa band corresponding to NPI 1 was observed across the cell lines tested. Known quantity of protein samples were electrophoresed using Novex® NuPAGE® 4-12 % Bis-Tris gel (Product # NP0321BOX), XCell SureLock™ Electrophoresis System (Product # EI0002) and Novex® Sharp Pre-Stained Protein Standard (Product # LC5800). Resolved proteins were then transferred onto a nitrocellulose membrane with iBlot® 2 Dry Blotting System (Product # IB21001). The membrane was probed with the relevant primary and secondary Antibody using iBind™ Flex Western Starter Kit (Product# SLF2000S). Chemiluminescent detection was performed using Novex® ECL Chemiluminescent Substrate Reagent Kit (Product # WP20005).
|Tested species reactivity||Human, Mouse|
|Published species reactivity||Human|
|Host / Isotype||Mouse / IgG1|
|Immunogen||GST fusion protein.|
|Storage buffer||PBS, pH 7.4|
|Contains||0.1% sodium azide|
|Tested Applications||Dilution *|
|ELISA (ELISA)||Assay Dependent|
|Immunofluorescence (IF)||Assay Dependent|
|Immunoprecipitation (IP)||Assay Dependent|
|Western Blot (WB)||2 µg/ml|
* Suggested working dilutions are given as a guide only. It is recommended that the user titrate the product for use in their own experiment using appropriate negative and positive controls.
The import of proteins into the nucleus is a process that involves at least 2 steps. The first is an energy-independent docking of the protein to the nuclear envelope and the second is an energy-dependent translocation through the nuclear pore complex. Imported proteins require a nuclear localization sequence (NLS) which generally consists of a short region of basic amino acids or 2 such regions spaced about 10 amino acids apart. Proteins involved in the first step of nuclear import have been identified in different systems. These include the Xenopus protein importin and its yeast homolog, SRP1 (a suppressor of certain temperature sensitive mutations of RNA polymerase I in Saccharomyces cerevisiae), which bind to the NLS. KPNA2 protein interacts with the NLSs of DNA helicase Q1 and SV40 T antigen and may be involved in the nuclear transport of proteins. KPNA2 also may play a role in V(D)J recombination.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
||Assembly of the human origin recognition complex occurs through independent nuclear localization of its components.||Ghosh S,Vassilev AP,Zhang J,Zhao Y,DePamphilis ML||The Journal of biological chemistry (286:23831)||2011|
|Human||1:250||Assembly of the human origin recognition complex occurs through independent nuclear localization of its components.||Ghosh S,Vassilev AP,Zhang J,Zhao Y,DePamphilis ML||The Journal of biological chemistry (286:23831)||2011|
IMA2; Importin alpha 2; importin alpha 5; importin alpha-S1; importin subunit alpha-1; importin subunit alpha-5; importin-alpha-S1; IPOA 1; IPOA1; Karyopherin A2; karyopherin alpha 1 (importin alpha 5); Karyopherin alpha 2 subunit; karyopherin subunit alpha-1; KPNA2; m-importin-alpha-S1; NPI-1; nucleoprotein interactor 1; RAG cohort 1; RAG cohort protein 2; RCH 1; RCH1; recombination activating gene cohort 2; SRP 1; SRP1; SRP1 alpha; SRP1-beta
AW494490; IPOA5; KPNA1; mSRP1; NPI-1; NPI1; RCH2; SRP1