Online Resource 1A: BRCA1 mutations tested 1 2 3 4 5 Mutation (BIC) 180 delA 185 delAG 185 insA 269 delA 582 C>T Mutation (HGVS) c.61 delA c.68_69 delAG c.66_67 insA c.150 delA c.463 C>T AA change STOP 22 STOP 39 STOP 40 STOP 68 Q155X 6 589 delCT c.470_471 delCT S157X 735 C>T 804 delT 969 C>T 1017 G>T 1100 delAT 1129 delA 1173 G>T 1223 delA 1323 G>T 1510 delC 1523 delG 1966 ins7 2189 del2 2371 del2 2430 insC 2509 delAA 2732 insT 2754 G>T 2790 delT 2846 insA 2885 delA 3241 C>G 3300 delA 3381 delG 3407 del2 3478 del5 3672 G>T 3867 G>T 3874 del4 3889 del2 3975 delA 4267 C>G 4377 C>T 4446 C>T 4491 C>T 4731 C>T 4920 A>T 5370 C>T 5447 insC 5454 delC 5589 del8 5622 C>T IVS 3+1 G>T IVS 3+2 delT IVS 4-1 G>C IVS 5+1 G>T IVS 5-12 A>G IVS 7-15 del10 IVS 21+1 G>C c.616 C>T c.685 delT c.850 C>T c.898 G>T c.981_982 delAT c.1010 delA c.1054 G>T c.1104 delA c.1204 G>T c.1392 delC c.1405 delG c.1847_1848 insAAGTCTT c.2070_2071 delAA c.2252_2253 delTG c.2311_2312 insC c.2390_2391 delAA c.2617 dupT c.2635 G>T c.2671 delT c.2727 insA c.2766 delA c.3122 C>G c.3181 delA c.3262 delG c.3288_3289 delAA c.3359_3363 delTTAAT c.3553 G>T c.3748 G>T c.3755_3758 del4 c.3770_3771 delAG c.3856 delA c.4148 C>G c.4258 C>T c.4327 C>T c.4372 C>T c.4612 C>T c.4801 A>T c.5251 C>T c.5328 dupC c.5335 delC c.5470_5477 del8 c.5503 C>T c.134+1 G>T c.134+2 delT c.135-1 G>C c.212+1 G>T c.213-12 A>G c.442-15 del10 c.5332+1 G>C Q206X STOP 233 Q284X E300X STOP 328 STOP 340 E352X STOP 373 E402X STOP 474 STOP 474 STOP 626 STOP 692 STOP 760 STOP 776 E797X STOP 902 E879X STOP 892 STOP 914 STOP 999 S1041X I1061X STOP 1108 STOP 1101 STOP 1130 E1185X E1250X STOP 1262 STOP 1265 STOP 1306 S1383X Q1420X R1443X Q1458X Q1538X K1601X R1751X STOP 1829 STOP 1792 STOP 1826 R1835X 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 Population/Country Indian/Malaysia Indian/Malaysia, Singapore Chinese/Malaysia, Various Indian/Malaysia Chinese/China Chinese/Malaysia, Chinese/Hong Kong Chinese/China Indian/Singapore Indian/Malaysia Singapore Chinese/Malaysia, China Chinese/Hong Kong Indian/Malaysia Chinese/Malaysia Malay/Malaysia Chinese/Singapore Chinese/Singapore Chinese/Malaysia Chinese/Malaysia Chinese/Hong Kong Chinese/Singapore Japanese/Japan Chinese/Singapore Chinese/Malaysia,Hong Kong Chinese/China Malay/Singapore Indian/Singapore Japanese/Japan Thai/Thailand Chinese/Singapore Malay/Malaysia Chinese/China Indian/India Indian/India Chinese/China Indian/Pakistan Malay/Malaysia Chinese/Malaysia Chinese/Malaysia Chinese/Singapore Chinese/Hong Kong Filipino/Philippines Chinese/Singapore Indian/Malaysia Malay/Malaysia Filipino/Philippines Chinese/China Filipino/Philippines Chinese/Malaysia Chinese/Malaysia Indian/Malaysia Chinese/HongKong, Indian/India Chinese/Malaysia Chinese/Singapore Chinese/China References [1] [1,2] [1,3] BIC, CARIF* [4] [1,5] [4] BIC CARIF* * [1,6] [7,8] [1] CARIF* [1] [9] [9] * HUKM* [8] [9] [10-12] [9] [7] [4] [13] [13] [14] [15] [9] CARIF* [6,16] [17] [18] [19] [3] BIC, CARIF* BIC, CARIF* BIC, CARIF* [9] [5] [20] [2] [1,21] [22] [20] [6] [20] [1] [1] [1] [7,23] BIC, CARIF* [2] [6] Online Resource 1B: BRCA2 mutations tested 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 Mutation (BIC) 490 delCT 1037C>G 1184 insA 2001 del4 2041 delA 2041 insA 2670 delC 2699 del6 2822 del4 2864 delCT 3036 delACAA 3337 C>T 3423 del4 3827del2 3972 del4 4093 del4 4242 insGG 4265 delCT 4379 delT 5227 insT 5242 insT 5301 insA 5802 del4 5873 C>A 5950 delCT 6174 delT 6180 insA 6195 insA 6553 delGT 6769 G>T 6862 del4 6901 delA 6943 G>T 7051_7053 delGAG 7361 C>G 7786 C>T 8462 del4 9097 C>T 9118 insA 9143 delT 9189 del4 9325 delA 9326 insA IVS15+1G>A Mutation (HGVS) c.262_263 delCT c.809 C>G c.956_957 insA c.1773_1776 delTTAT c.1813_1813 delA c.1813_1814 insA c.2442_2442 delC c.2471_2476 delTAAATG c.2596_2599 delGAAA c.2636_2637 delCT c.2808_2811 delACAA c.3109 C>T c.3195_3198 delTAAT c.3599_3600 delGT c.3744_3747 delTGAG c.3865_3868 delAAAT c.4014_4015 insGG c.4037_4038 delCT c.4151_4151 delT c.4999_5000 insT c.5014 dup c.5073_5074 insA c.5574_5577 delAATT c.5645 C>A c.5722_5723 delCT c.5946_5946 delT c.5952_5953 insA c.5967_5968 insA c.6325_6326 delGT c.6541 G>T c.6634_6637 delTGTT c.6673_6673 delA c.6715 G>T c.6823_6825 delGAG c.7133 C>G c.7558 C>T c.8234_8237 delTGAC c.8869 C>T c.8890_8891 insA c.8915_8915 delT c.8961_8964 delGAGT c.9097_9097 delA c.9098_9099 insA c.7617+1 G>A *unpublished BIC- Breast Cancer Information Core database CARIF- Cancer Research Initiatives Foundation HKL- Hospital Kuala Lumpur HUKM -National University of Malaysia Medical Centre AA change STOP 99 S270X STOP 326 STOP 612 STOP 613 STOP 615 STOP 824 STOP 824 STOP 872 STOP 879 STOP 958 Q1037X STOP 1075 C1200X STOP 1257 STOP 1291 STOP 1374 STOP 1350 STOP 1387 STOP 1676 STOP 1676 STOP 1694 STOP 1861 S1882X STOP 1909 STOP 2003 STOP 2002 STOP 2002 STOP 2109 G2181X STOP 2227 STOP 2228 E2239X E2275del S2378X R2520X STOP 2775 Q2957X STOP 3017 STOP 2975 STOP 2999 STOP 3061 STOP 3042 Population/Country Malay/Malaysia Chinese/Malaysia Chinese/Malaysia Chinese/Malaysia Chinese/Thailand Indian/Malaysian Chinese/China, Taiwan Javanese/Indonesia Chinese/Singapore Chinese/Malaysia Chinese/Malaysia Indian/Pakistan Chinese/China Chinese/Malaysia, Philippines Chinese/China Indian / Malaysia Indian/Malaysia Malay/Malaysia, Philippines Chinese/Singapore Indian/India Indian/India Malay/Malaysia Chinese/China, Chinese/Malaysia, Chinese/Hong Kong, China Chinese/China Indian/India Malay/Malaysia Chinese/Malaysia Malay/Malaysia Malay/Singapore Chinese/Malaysia Chinese/Malaysia Chinese/Malaysia Chinese/Malaysia Chinese/Malaysia Chinese/Malaysia Indian/Malaysia Chinese/Singapore Chinese/Singapore Chinese/Malaysia Chinese/Singapore Chinese/Malaysia Chinese/Singapore References [1] BIC, CARIF* [1] BIC, CARIF* [15] CARIF* [6,24] [25] [2] [1] BIC, CARIF* [3] [6] [20] [6] BIC, CARIF* HKL* [20] [2] [17] [17] HKL* [6,26] BIC, CARIF* [7,6,27,26] [28] [17] [1] [1] CARIF* [2] [1] [1] BIC, CARIF* BIC, CARIF* BIC, CARIF* HKL* [1] [2] [2] HKL* [2] [1] [2] Online Resource References 1. 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