DIS3 Antibody #20035
- WB
Supporting Data
| REACTIVITY | H M R Mk |
| SENSITIVITY | Endogenous |
| MW (kDa) | 120 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
- R-Rat
- Mk-Monkey
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
Storage
Protocol
Specificity / Sensitivity
DIS3 Antibody recognizes endogenous levels of total DIS3 protein. This antibody detects an 85 kDa band of unknown origin.
Species Reactivity:
Human, Mouse, Rat, Monkey
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Val928 of human DIS3 protein. Antibodies are purified by peptide affinity chromatography.
Background
DIS3, also known as RRP44, is a conserved protein responsible for the core catalytic activities of the exosome complex, which degrades RNA (1-3). With two catalytic sites, DIS3 possesses both endoribonucleolytic and 3’-to-5’ exoribonucleolytic activity (2,4). It plays very diverse roles in RNA metabolism, including control of aberrant pre-mRNA turnover, gene expression, and RNA processing (5-9). DIS3 also plays a role in mitotic progression by helping form kinetochores (9,10). Additionally, DIS3 is implicated in antibody diversity by helping the exosome target activation-induced cytidine deaminase to the DNA strands in B cells. DIS3 and other exosome components are upregulated during V(D)J recombination and B cells in knockout mice are unable to develop past the pro-B cell stage (11,12). Mutations in the DIS3 gene have been well described in multiple myeloma (13,14).
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- Laffleur, B. et al. (2022) Sci Immunol 7, eabn2738.
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- Walker, B.A. et al. (2012) Blood 120, 1077-86.
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