Genes, BRCA1

**Definition:** A tumor suppressor gene (GENES, TUMOR SUPPRESSOR) located on human CHROMOSOME 17 at locus 17q21. Mutations of this gene are associated with the formation of HEREDITARY BREAST AND OVARIAN CANCER SYNDROME. It encodes a large nuclear protein that is a component of DNA repair pathways.

**Tree numbers:** - G05.360.340.024.340.375.249.100 - G05.360.340.024.340.415.400.100

**Synonyms:** - BRCA1 Gene