Table 3

NAT2 haplotypea frequencies in samples of the worldwide genotyping surveyb.


NAT2 Haplotypee

*4
*5A
*5B
*5C
*5D
*5E
*5M
*6A
*6B
*6C
*7A
*7B
*11A
*12A
*12B
*12C
*13
*13B
*14A
*14B
*6Jf
Global (2Ng)

SNP positionc (ancestral stated)
     191 (G)
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
A
A
.

     282 (C)
.
.
.
.
.
.
T
T
.
T
.
T
.
.
T
.
T
T
.
T
T

     341 (T)
.
C
C
C
C
C
C
.
.
.
.
.
.
.
.
.
.
.
.
.
.

     481 (C)
.
T
T
.
.
.
.
.
.
.
.
.
T
.
.
T
.
T
.
.
.

     590 (G)
.
.
.
.
.
A
.
A
A
A
.
.
.
.
.
.
.
.
.
.
A

     803 (A)
.
.
G
G
.
.
.
.
.
G
.
.
.
G
G
G
.
.
.
.
.

     857 (G)
.
.
.
.
.
.
.
.
.
.
A
A
.
.
.
.
.
.
.
.
A


Population codeh
     1
27
1
47
17
0
0
0
34
4
0
0
0
0
34
7
1
13
0
6
11
0
202
     2
10
1
37
3
0
0
1
16
0
0
0
2
0
9
2
0
6
0
3
10
0
100
     3
8
0
4
0
0
0
0
11
0
0
0
0
0
39
1
0
13
0
0
4
0
80
     4
4
0
13
5
0
0
0
8
0
0
0
0
0
19
3
0
6
0
0
2
0
60
     6
18
2
65
3
0
0
0
32
0
0
0
13
0
30
0
0
10
0
17
3
1
194
     7
13
0
22
8
0
0
0
32
5
0
2
1
0
7
1
0
4
0
2
3
0
100
     8
3
0
19
0
0
0
0
17
0
0
0
1
0
7
0
0
0
0
1
0
0
48
     9
13
0
45
0
0
0
0
22
0
0
0
3
0
4
0
0
1
0
0
0
0
88
     10
133
1
242
0
0
0
0
127
2
0
0
3
0
6
0
0
0
0
2
0
0
516
     11
20
1
52
1
0
0
0
24
0
0
0
0
0
0
0
0
0
0
0
0
0
98
     12
22
6
54
2
0
0
0
30
0
0
0
1
0
0
0
0
5
0
0
0
0
120
     14
44
8
104
6
0
0
0
54
1
0
0
5
0
1
0
0
1
0
0
0
0
224
     15
187
20
318
17
0
0
0
206
0
0
0
15
0
3
0
0
7
0
0
1
0
774
     17
11
6
50
3
0
0
0
28
0
0
0
2
0
0
0
0
0
0
0
0
0
100
     18
23
3
42
0
0
0
0
15
0
0
0
13
0
0
0
0
0
0
0
0
0
96
     19
383
70
647
68
0
0
0
470
0
0
0
22
0
0
0
0
26
0
0
2
0
1688
     21
109
26
164
30
0
0
0
149
0
0
0
17
0
1
0
0
0
0
0
0
0
496
     23
9
0
41
0
0
0
0
29
0
0
0
1
0
0
0
0
0
0
0
0
0
80
     25
134
12
213
17
0
0
0
184
0
0
0
17
0
3
0
0
0
0
0
0
0
580
     26
140
8
216
29
0
0
0
185
0
0
0
27
0
1
0
0
0
0
0
0
0
606
     27
13
1
29
4
0
0
0
43
0
1
0
6
0
3
0
0
0
0
0
0
0
100
     28
31
0
23
3
0
0
0
30
0
0
0
12
0
1
0
0
0
0
0
0
0
100
     30
132
0
4
0
1
0
0
46
0
0
0
38
0
0
0
0
3
0
0
0
0
224
     32
46
0
6
0
0
0
0
22
0
0
0
13
0
0
0
0
1
0
0
0
0
88
     33
208
0
1
0
0
1
0
55
0
0
0
22
0
0
0
0
1
0
0
0
0
288
     36
353
1
5
0
1
0
0
126
3
0
6
70
0
4
0
1
6
0
0
0
0
576
     38
26
0
10
0
0
0
0
34
0
0
0
17
0
0
0
0
1
0
0
0
0
88
     41
114
7
86
5
0
0
0
46
1
1
0
0
0
8
0
2
3
0
1
0
0
274
Global
2234
174
2559
221
2
1
1
2075
16
2
8
321
0
180
14
4
107
0
32
36
1
7988

a NAT2 haplotypes were named in accordance with the consensus gene nomenclature of human NAT2 alleles [65]

b Only the 28 samples with no missing data (i.e., with genotype data available for the seven common SNPs in NAT2) were considered here

c Polymorphic sites were numbered considering +1 as the A of the translation start codon in the cDNA sequence (GenBank CR407631)

d The ancestral state of each SNP was deduced from both the chimpanzee and rhesus monkey sequences, and is represented here as a dot

e Nucleotide substitutions shown in bold have a functional consequence on enzyme activity. Bold-faced haplotypes are 'slow alleles' associated with as decreased acetylation capacity; the others display an enzymatic activity comparable to the reference 'rapid' allele NAT2*4

f NAT2*6J is a newly described allele found in the Mandenka sample in the present study (see Table 1). It was predicted to be a 'slow allele' since it contains two inactivating mutations

g Total number of chromosomes

h Samples are numbered according to their population code [see Additional file 1]: (1) 101 Tswana, (2) 50 Ateke Bantus, (3) 40 Bakola Pygmies, (4) 30 Baka Pygmies, (6) 97 Mandenka, (7) 50 Dogons, (8) 24 Somali, (9) 44 Moroccans, (10) 258 Spanish, (11) 49 Sardinians, (12) 60 French, (14) 112 UK Caucasians, (15) 387 US Caucasians, (17) 50 Swedes, (18) 48 Saami, (19) 844 Germans, (21) 248 Polish, (23) 40 Ashkenazi Jews, (25) 290 Russians, (26) 303 Turks, (27) 50 Gujarati, (28) 50 Turkmen, (30) 112 Han Chinese, (32) 44 Chinese, (33) 144 Japanese, (36) 288 Koreans, (38) 44 Thai, (41) 137 Nicaraguans.

Sabbagh et al. BMC Genetics 2008 9:21   doi:10.1186/1471-2156-9-21