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Analysis of RANBP2 Gene Rearrangement by Southern Blot Technology (CAT#: STEM-MHT-0096-LGZ)

Introduction

Official Full Name: RAN binding protein 2
Also known as: ANE1; TRP1; TRP2; ADANE; IIAE3; NUP358
RAN is a small GTP-binding protein of the RAS superfamily that is associated with the nuclear membrane and is thought to control a variety of cellular functions through its interactions with other proteins. This gene encodes a very large RAN-binding protein that immunolocalizes to the nuclear pore complex. The protein is a giant scaffold and mosaic cyclophilin-related nucleoporin implicated in the Ran-GTPase cycle. The encoded protein directly interacts with the E2 enzyme UBC9 and strongly enhances SUMO1 transfer from UBC9 to the SUMO1 target SP100. These findings place sumoylation at the cytoplasmic filaments of the nuclear pore complex and suggest that, for some substrates, modification and nuclear import are linked events. This gene is partially duplicated in a gene cluster that lies in a hot spot for recombination on chromosome 2q.




Principle

Under certain conditions, two single strands of nucleic acid with certain homology can be specifically hybridized to form double strands according to the principle of base complementarity. Generally, DNA molecules to be detected are digested with restriction enzymes, separated by agar-gel electrophoresis, denatured and transferred to nitrocellulocellulose film or nylon film or other solid phase support according to their position in the gel, fixed and then reacted with DNA probes labeled with isotopes or other markers. This is followed by autoradiography or an enzyme reaction to detect the amount of specific DNA molecules. If the object to be tested contains a sequence that is complementary to the probe, the two are combined by the principle of base complementarity, and the free probe is washed and detected by self-development or other suitable techniques, thus revealing the fragment to be tested and its relative size.

Applications

Gene Rearrangement Detection

Procedure

1. Sample Processing
2. DNA Extraction and Digestion
3. Gel Electrophoresis
4. Gel Pretreatment
5. Transfer membrane
6. Probe Labeling
7. Prehybridization (blocking)
8. Southern hybridization
9. Membrane washing
10. Autoradiographic Assay
11. Results Analysis

Materials

Sample: DNA, Bacterial Fluid/Tissue/Cell
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