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MABC161

Sigma-Aldrich

Anti-BRCA1 Antibody, clone MS13

clone MS13, from mouse

Synonym(s):

Breast cancer type 1 susceptibility protein, RING finger protein 53

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About This Item

UNSPSC Code:
12352203
eCl@ss:
32160702
NACRES:
NA.41

biological source

mouse

Quality Level

100

antibody form

purified immunoglobulin

antibody product type

primary antibodies

clone

MS13, monoclonal

species reactivity

human

technique(s)

immunocytochemistry: suitable
immunohistochemistry: suitable
western blot: suitable

isotype

IgG1κ

NCBI accession no.

NP_009225

UniProt accession no.

P38398

shipped in

wet ice

target post-translational modification

unmodified

Gene Information

human ... BRCA1(672)

General description

Breast cancer type 1 susceptibility protein (BCRA1; RING finger protein 53) functions as a tumor suppressor. BRCA1 is an important member of the DNA repair pathway. After DNA damage, BRCA1 is phosphorylated on multiple serine residues by the ATR kinase or Chk2, and is localized to lesion sites with PCNA. BRCA1 interacts with a wide range of proteins including Rad50, NBS1, and Mre11, c-Abl tyrosine kinase, and γH2A.X, involved in the detection of damaged DNA and activation of appropriate repair pathways. BRCA1 may also respond to DNA damage by promoting gene expression through association with transcriptional proteins and RNA polymerase II, and may regulate the p53 pathway by this mechanism. Previous studies have indicated that mutations in the BRCA1 gene may contribute to the development of breast and ovarian cancer.

Immunogen

Recombinant protein corresponding to human BRCA1.

Application

Anti-BRCA1 Antibody, clone MS13 detects level of BRCA1 & has been published & validated for use in Western Blotting, IHC, ICC.
Immunohistochemistry Analysis: A 1:50 dilution from a representative lot detected BRCA1 in human breast cancer and human ovarian cancer tissues.

Immunocytochemistry Analysis: A 1:500 dilution from a representative lot detected BRCA1 in HeLa and A431 cells.

Quality

Evaluated by Western Blot in HeLa nuclear extract.

Western Blot Analysis: 0.5 µg/mL of this antibody detected BRCA1 on 10 µg of HeLa nuclear extract.

Target description

~220 kDa observed. The calculated molecular weight of this protein is 208 kDa, but can be observed at ~220 kDa due to high glycosylation. An uncharacterized band appears at ~65 kDa in some lysates.

Physical form

Format: Purified

Other Notes

Concentration: Please refer to the Certificate of Analysis for the lot-specific concentration.

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Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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S Fan et al.
Oncogene, 20(57), 8215-8235 (2002-01-10)
Unregulated expression of wild-type BRCA1 (wtBRCA1) confers an altered phenotype in cultured human prostate cancer cells, characterized by chemosensitivity, susceptibility to apoptosis, decreased DNA repair activity, and alterations of key cell regulatory proteins. We now report that the expression of
Stephanie Panier et al.
Molecular cell, 47(3), 383-395 (2012-06-30)
The response to DNA double-strand breaks (DSBs) entails the hierarchical recruitment of proteins orchestrated by ATM-dependent phosphorylation and RNF8-mediated chromatin ubiquitylation. As in most ubiquitin-dependent processes, the ordered accumulation of DNA repair factors at the break site relies on ubiquitin-binding

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