Produced in rabbits immunized with E. coli-derived Human C7orf49/CYREN fragment, and purified by antigen affinity chromatography.
Source
Polyclonal Rabbit IgG
Purification
Protein A & Antigen Affinity
Formulation
PBS, pH7.0 with 0.03% Proclin300
Conjugate
Unconjugated
Form
Liquid
Shipping
This antibody is shipped as liquid solution at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Storage
This antibody can be stored at 2℃-8℃ for one month without detectable loss of activity. Antibody products are stable for twelve months from date of receipt when stored at -20℃ to -80℃. Avoid repeated freeze-thaw cycles.
Immunochemical staining of human C7orf49 in human esophagus with rabbit polyclonal antibody at 1:100 dilution, formalin-fixed paraffin embedded sections.
Immunochemical staining of human C7orf49 in human esophagus with rabbit polyclonal antibody at 1:100 dilution, formalin-fixed paraffin embedded sections.
CYREN (Cell cYcle REgulator of NHEJ) was originally identified as a potential modulator of retroviral infection. The modulator of retrovirus infection (MRI or CYREN) is a 30-kDa protein with a conserved N-terminal Ku-binding motif (KBM) and a C-terminal XLF-like motif (XLM). MRI is intrinsically disordered and interacts with many DNA damage response (DDR) proteins, including the kinases ataxia telangiectasia mutated (ATM) and DNA-PKcs and the classical non-homologous end joining (cNHEJ) factors Ku70, Ku80, XRCC4, XLF, PAXX, and XRCC4. MRI forms large multimeric complexes that depend on its N and C termini and localizes to DNA double-strand breaks (DSBs), where it promotes the retention of DDR factors. Mice deficient in MRI and XLF exhibit embryonic lethality at a stage similar to those deficient in the core cNHEJ factors XRCC4 or DNA ligase IV. Moreover, MRI is required for cNHEJ-mediated DSB repair in XLF-deficient lymphocytes. MRI is an adaptor that, through multivalent interactions, increases the avidity of DDR factors to DSB-associated chromatin to promote cNHEJ.
References
Hung PJ, et al. (2018) Mri is a DNA damage response adaptor during classical non-homologous end joining. Mol Cell 71 (2): 332-342.e338.
Arnoult N, et al. (2017) Regulation of DNA repair pathway choice in s and g2 phases by the nhej inhibitor cyren. Nature 549 (7673): 548-552.