Cancer Protein Description

This report provides a detailed description of a selected cancer protein with information collected from various sources, including UniProt, the Wellcome Trust Sanger Institute’s Catalogue of Somatic Mutations in Cancer (COSMIC), and the Atlas of Genetics and Cytogenetics in Oncology and Haematology.


Protein Name: BRCC3
Gene Name: BRCC3
Protein Full Name: Lys-63-specific deubiquitinase BRCC36
Alias: BRCA1/BRCA2-containing complex subunit 36; BRCA1/BRCA2-containing complex, subunit 3; BRCC36; C6.1A; CXorf53; EC 3.1.2.15; Lys-63-specific deubiquitinase BRCC36
Mass (Da): 36072
Number AA: 316
UniProt ID: P46736
Locus ID: 79184
COSMIC ID: BRCC3
Gene location on chromosome: Xq28
Cancer protein type: UNCLEAR
Effect of cancer mutation on protein: UNCLEAR
Effect of active protein on cancer: UNCLEAR
Number of cancer specimens: 20195
Percent of cancer specimens with mutations: 0.29
Normal role description: BRCC3 is a ubiquitin E3 ligase that enhances cellular survival following DNA damage; it is responsible for the stable accumulation of BRCA1 at DNA break sites. It can specifically cleave Lys 63-linked polyubiquitin chains, and it regulates the abundance of these chains in chromatin. The loss of this gene results in abnormal angiogenesis and is associated with syndromic moyamoya.
Commentary on involvement of protein in cancer: 2% (1/59) of ovary samples, 1/206 breast cancer samples and 1% (1/146) of lung cancer samples also contained mutations (Sanger COMSIC)


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