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BRCA1 (NM_007297) - BRCA1 DNA repair associated

Breast Cancer Type 1 Susceptibility Protein Isoform 3

PTM Interaction Network Visualisation

Protein summary

This is an alternative isoform of BRCA1 protein. View all 5 isoforms
BRCA1: breast cancer type 1 susceptibility protein isoform 3
Description:

This gene encodes a 190 kD nuclear phosphoprotein that plays a role in maintaining genomic stability, and it also acts as a tumor suppressor. The BRCA1 gene contains 22 exons spanning about 110 kb of DNA. The encoded protein combines with other tumor suppressors, DNA damage sensors, and signal transducers to form a large multi-subunit protein complex known as the BRCA1-associated genome surveillance complex (BASC). This gene product associates with RNA polymerase II, and through the C-terminal domain, also interacts with histone deacetylase complexes. This protein thus plays a role in transcription, DNA repair of double-stranded breaks, and recombination. Mutations in this gene are responsible for approximately 40% of inherited breast cancers and more than 80% of inherited breast and ovarian cancers. Alternative splicing plays a role in modulating the subcellular localization and physiological function of this gene. Many alternatively spliced transcript variants, some of which are disease-associated mutations, have been described for this gene, but the full-length natures of only some of these variants has been described. A related pseudogene, which is also located on chromosome 17, has been identified. [provided by RefSeq, May 2020].

Strand
-
Chromosome
17
Protein
1816 residues
All mutations
2728
PTM sites
125
CDS
41,197,694 - 41,258,543
Transcription
41,196,311 - 41,277,468
88.88% of sequence is predicted to be disordered

Usage summary

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External references

Mappings retrieved from NCBI & UniProt.
RefSeq
Entrez
gene: 672
UniProt
Ensembl