" /> Breast Cancer Type 2 Susceptibility Protein - CISMeF





Preferred Label : Breast Cancer Type 2 Susceptibility Protein;

NCIt synonyms : BRCA2 Protein; Fanconi Anemia Group D1 Protein; BRCA2; Breast Cancer 2 Tumor Suppressor; FANCD1; Breast Cancer 2, Early Onset Protein; Breast and Ovarian Cancer Susceptibility Protein 2; BRCA1/BRCA2-Containing Complex, Subunit 2;

NCIt definition : Breast cancer type 2 susceptibility protein (3418 aa, 384 kDa) is encoded by the human BRCA2 gene. This protein plays a role in both cell cycle regulation and DNA repair.;

NCIt note : Encoded by human BRCA2 Gene, the highly charged 3,418-amino acid 384 kD putative tumor suppressor BRCA2 Protein is expressed (G1/S peak) in rapidly proliferating cells in breast, thymus, lung, ovary, and spleen. With no signal sequence, no membrane regions, and little similarity to other proteins, BRCA2 function is not known; a N-terminus similar to JUN activation domain is capable of activating transcription. BRCA2 may regulate cell proliferation and differentiation. BRCA2/BRCA1 may activate double-strand break repair or homologous recombination. BRCA2 may interact as a cofactor with RAD51 DNA-repair protein; the interaction with BRCA2 BRC3 or BRC4 regions blocks nucleoprotein filament formation. BRCA2 may also regulate the location and DNA-binding ability of RAD51. BRCA2 mutations are linked to elevated risk of breast cancer. (Swiss-Prot, OMIM);

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09/05/2024


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