| 1 | BRCA1, BRCA1P1, NBR1, NBR2 |
| The 5' end of the BRCA1 gene lies within a duplicated region of human chromosome 17q21. | |
| Brown MA, Xu CF, Nicolai H, Griffiths B, Chambers JA, Black D, Solomon E. | |
| Oncogene 12 : 2507-2513. 1996 | |
| 2 | NBR1, NBR2, BRCA1, BRCA1P1 |
| The BRCA1 and 1A1.3B promoters are parallel elements of a genomic duplication at 17q21. | |
| Barker DF, et al. | |
| Genomics 38 : 215-222. 1996 | |