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Anti-NBN Phospho Antibody EPR2470Y
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|A phospho-specific peptide corresponding to residues surrounding serine 432 of human p95/NSB1 was used as an immunogen. This antibody detects p95/NSB1 that is phosphorylated on serine 432.|
||ICC: 1:100 - 250, IHC: 1:100 - 250, WB: 1:500,
|Store at -20C. Buffer: 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA. Stable for 12 months from date of receipt.|
|Homo sapiens nibrin (NBN)|
|AT-V1; AT-V2; ATV; NBS; NBS1; P95|
|Nijmegen breakage syndrome (NBS) is characterized by extreme radiation sensitivity, chromosomal instability and cancer. p95/NBS1 is specifically phosphorylated in response to gamma-radiation, ultraviolet light and exposure to hydroxyurea. Phosphorylation of p95/NBS1 mediated by gamma-radiation, but not that induced by hydroxyurea or ultraviolet light, was markedly reduced in ATM cells. Phosphorylation of p95/NBS1 by ATM is critical for certain responses of human cells to DNA damage (1). p95/NBS1 is part of a protein complex that is involved in responses to DNA double-strand breaks. Observations link ATM and p95/NBS1 in a common signaling pathway and provide an explanation for phenotypic similarities in NBS and ATM diseases (2). Double-strand breaks occur during DNA replication and are also induced by ionizing radiation. NBS1 is essential for homologous recombination-mediated repair in higher vertebrate cells and the disruption of p95/NBS1 reduces gene conversion and sister chromatid exchanges (3). |
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A. Western blot analysis on HeLa cell lysates using anti-Phospho-p95/NSB1 (pS432) RabMAb .
B. Immunohistochemical analysis of paraffin-embedded human testis using anti-p95/NBS1 RabMAb .