Nucleotide change in cDNA, NCBI SNP ID Genotype Genotype Frequencies, N (%)
Malays (n=209) Chinese (n=201) Indians (n=200) Orang Asli(n= 176) Javanese (n=185) Saudis (n=132)
c.1A>G, rs28399504 AA
AG
GG
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 132 (100%)
c.50T>C, rs55752064 TT
CT
CC
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 132 (100%)
c.55A>C, rs17882687 AA
AC
CC
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 130 (98.5%)*
2 (1.5%)*
0
c.99C>T, rs17885098 CC
CT
TT
4 (1.9%)
27 (12.9%)
178 (85.2%)
3 (1.5%)
30 (14.9%)
168 (83.6%)
0
10 (5%)
190 (95%)
16 (9.1%)
82 (46.9%)
77 (44%)
1 (0.5%)
25 (13.5%)
159 (85.9%)
-
24 (18.2%)
108 (81.8%)
c.276G>C, rs17878459 GG
CG
CC
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 131 (97.7%)*
1 (1.5%)*
c.395G>A, rs72552267 GG
AG
AA
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 132 (100%)
c.431G>A, rs17884712 GG
AG
AA
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 130 (98.5%)*
2 (1.5%)*
c.449G>C, rs58973490 GG
CG
CC
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 132 (100%)
c.636G>A, rs4986893 GG
AG
AA
199 (95.2%)
10 (4.8%)
186 (92.5%)
14 (7.0%)
1 (0.5%)
193 (96.5%)
7 (3.5%)
0
176 (100%) 185 (100%) 132 (100%)
c.680C>T, rs6413438 CC
CT
TT
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 132 (100%)
c.681G>A, rs4244285 GG
AG
AA
137(65.6%)
60 (28.7%)
12 (5.7%)
117 (58.2%)*
65 (32.3%)*
19 (9.5%)*
96 (48%)
84 (42%)
20 (10%)
128 (72.7%)
41 (23.3%)
7 (4.0%)
141 (76.2%)
40 (21.6%)
4 (2.2%)
102 (77.3%)
28 (21.2%)
2 (1.5%)
c.991A>G, rs3758581 AA
AG
GG
-
8 (3.8%)
201 (96.2%)
-
20 (10%)
181 (90%)
-
4 (2%)
196 (98%)
17 (9.6%)
83 (47.2%)
76 (43.2%)
-
12 (6.5%)
173 (93.5%)
-
38 (28.8%)
94 (71.2%)
c.1228C>T, rs17879685 CC
CT
TT
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 126 (95.5%)
6 (4.5%)
c.1251A>C, rs17886522 AA
AC
CC
209 (100%) 201 (100%) 200 (100%) 170 (96.6%)
6 (3.4%)
174 (94.1%)
11 (5.9%)
0
132 (100%)
c.1297C>T, rs56337013 CC
CT
TT
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 132 (100%)
c.1473A>C, rs55640102 AA
AC
CC
209 (100%) 201 (100%) 200 (100%) 176 (100%) 185 (100%) 126 (95.5%)
6 (4.5%)
*X2 goodness-of-fit test p values < 0.05
Table 2: Genotype frequencies of CYP2C19 alleles in Malays, Chinese, Indians, Orang Asli, Javanese and Saudis.