From SNPedia
rs28897672 is a SNP causing an amino acid change in the breast cancer 1
BRCA1 gene at amino position 61. The more common
rs28897672(T) allele encodes Cys, while the rare
rs28897672(G) allele encodes Gly; this variation is also known as Cys61Gly or C61G.
A study of 66 Polish families affected with breast cancer or ovarian cancer, often diagnosed at a relatively young age (< 50 years old), screened for BRCA1 mutations by sequencing. The C61G mutation accounted for 20% of the identified mutations in this group of families.[PMID 10788334]
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