Phospho-BRIP1/FANCJ (Thr1133) Antibody #11983
- WB
- IP
Supporting Data
| REACTIVITY | H Mk |
| SENSITIVITY | Endogenous |
| MW (kDa) | 145 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
Species Cross-Reactivity Key:
- H-Human
- Mk-Monkey
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:100 |
Storage
Protocol
Specificity / Sensitivity
Phospho-BRIP1/FANCJ (Thr1133) Antibody recognizes endogenous levels of BRIP1/FANCJ protein only when phosphorylated at Thr1133. This antibody also cross-reacts with a protein of unknown origin at ~130 kDa.
Species Reactivity:
Human, Monkey
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Thr1133 of human BRIP1/FANCJ protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
BACH1, also known as BRIP1 and FANCJ, is a DNA helicase involved in repair of DNA cross-links and double strand breaks (1-3). Interaction between phosphorylated BACH1 and BRCA1 is required for DNA damage-induced checkpoint signaling (3,4). Originally identified as a breast cancer susceptibility gene (1), the BACH1 gene is mutated in Fanconi anemia (5), a recessive disorder characterized by multiple congenital abnormalities, progressive bone marrow failure, and high cancer risk/predisposition. Research investigators have concluded that BACH1 interactions with BRCA1 and the presence of BACH1 mutations in patients with early onset breast cancer indicate that BACH1 may act as a tumor suppressor (6).
Phosphorylation of BACH1 at Thr1133 is thought to be involved in regulation of the replication checkpoint and is required for the interaction of BACH1 with TopBP1 (7).
- Cantor, S.B. et al. (2001) Cell 105, 149-60.
- Litman, R. et al. (2005) Cancer Cell 8, 255-65.
- Peng, M. et al. (2006) Oncogene 25, 2245-53.
- Shiozaki, E.N. et al. (2004) Mol Cell 14, 405-12.
- Kennedy, R.D. and D'Andrea, A.D. (2005) Genes Dev 19, 2925-40.
- Cantor, S.B. and Guillemette, S. (2011) Future Oncol 7, 253-61.
- Gong, Z. et al. (2010) Mol Cell 37, 438-46.
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