- Tel: 858.663.9055
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Email: info@nsjbio.com
- Tel: 858.663.9055
- Email: info@nsjbio.com
MAD2B Antibody detects mitotic arrest deficient 2-like protein 2, encoded by the MAD2L2 gene and also widely known as REV7. MAD2L2 is a member of the HORMA domain protein family and participates in several protein complexes involved in DNA damage tolerance, DNA repair, cell-cycle regulation and maintenance of genome stability. Although MAD2B was initially characterized through its relationship to mitotic checkpoint proteins, subsequent research has established broader functions for MAD2L2/REV7 in the cellular response to DNA damage.
A major function of MAD2L2 is its role as REV7, the noncatalytic subunit of DNA polymerase zeta. Polymerase zeta participates in translesion DNA synthesis, a DNA damage-tolerance mechanism that allows replication to continue past lesions that can stall conventional replicative polymerases. REV7 interacts with REV3, the catalytic subunit of polymerase zeta, and also participates in interactions involving REV1 and other components of the translesion synthesis machinery. These functions help cells tolerate damaged DNA but can also contribute to mutagenesis when lesions are bypassed inaccurately.
MAD2L2 also has an important role in DNA double-strand break repair as a component of the Shieldin complex. Shieldin acts downstream of 53BP1 and RIF1 and helps limit excessive DNA end resection, thereby influencing the balance between non-homologous end joining and homologous recombination. Through this pathway, REV7 contributes to repair pathway choice and genome stability. Alterations affecting REV7 or other Shieldin components can consequently influence cellular responses to DNA damage and the repair of chromosome breaks.
Beyond DNA repair, MAD2L2 has been implicated in cell-cycle progression, chromosome segregation, transcriptional regulation and developmental processes. Its ability to participate in distinct molecular complexes allows the protein to connect DNA replication, damage tolerance and repair with broader mechanisms controlling cell proliferation. Dysregulated MAD2L2 expression or activity has consequently attracted interest in cancer biology, particularly in studies of genomic instability, therapeutic resistance and cellular responses to DNA-damaging agents.
The multiple functions of MAD2L2 make it useful for investigating how cells coordinate lesion bypass, double-strand break repair and cell-cycle control while preserving genome integrity. NSJ Bioreagents offers this REV7 Polyclonal Antibody for research into MAD2L2-associated pathways and protein interactions. A MAD2B Antibody can therefore support studies of translesion DNA synthesis, Shieldin-dependent DNA repair, genome stability and mechanisms regulating the cellular response to DNA damage.
Explore additional research tools in our Signal Transduction Antibodies collection.
Optimal dilution of the MAD2B Antibody / REV7 Polyclonal Antibody should be determined by the researcher.
An E.coli-derived human recombinant protein (M1-K209) was used as the immunogen for the MAD2B antibody.
After reconstitution, the MAD2B antibody can be stored for up to one month at 4oC. For long-term, aliquot and store at -20oC. Avoid repeated freezing and thawing.
MAD2L2 antibody, REV7 antibody, MAD2B antibody, Mitotic Arrest Deficient 2 Like 2 antibody, Mitotic Arrest Deficient-Like Protein 2 antibody
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