Complex SNP-Based Haplotypes in Three Human Helicases: Implications for Cancer Association Studies

Table 2.

Rare Allele Frequencies in BLM, WRN, andRECQL

BLMSNPs
Population N B4.1 B4.2 B18.1 B18.2 B20 B21.1 B21.2 B22
T/C G/A T/C C/G G/T C/G A/C G/A
AfAm 148 C.27 A.02 T.40 G.18 T.19 G.36 C.31 A.18
Asian 78 T.49 A.28 C.26 G.18 T.15 G.21 C.19 A.19
Cauc 154 C.28 A.12 C.29 G.20 T.30 G.37 C.39 A.15
Hisp 140 C.25 A.13 C.28 G.13 T.23 G.28 C.26 A.12
CEPH 78 C.27 A.12 C.36 G.26 T.26 G.33 C.33 A.24
WRNSNPs
Population N W1 W5 W12.1 W12.2 W15.3 W18.1 W18.2 W20 W22 W23 W26.1 W26.2
G/A T/C T/C T/A G/A G/A G/T A/C T/C G/C G/A G/T
AfAm 154 G.02 C.01 C.17 A.04 A.12 A.27 G.34 C.23 T.44 C.00 A.00 T.01
Asian 78 G.12 C.05 C.13 A.08 A.24 A.32 T.45 C.23 T.30 C.00 A.00 T.00
Cauc 158 G.04 C.06 C.22 A.20 A.27 A.30 G.42 C.25 T.47 C.03 A.03 T.01
Hisp 150 G.15 C.01 C.15 A.14 A.29 A.31 G.50 C.31 T.43 C.01 A.01 T.01
CEPH 78 G.01 C.04 C.21 A.21 A.21 A.31 G.44 C.37 T.43 C.01 A.01 T.01
RECQLSNPs
Population N R2 R10 R12.1 R12.2 R13.1 R.13.2 R15.1 R15.2 R19 R25 R27
A/C T/C G/C G/T G/A G/A T/C G/A G/A T/C T/C
AfAm 156 C.10 C.38 G.47 G.47 G.47 A.19 C.19 G.49 A.30 C.47 C.01
Asian 74 C.01 C.30 C.46 T.46 A.45 G.45 T.45 A.45 G.43 C.05 C.00
Cauc 156 C.07 C.33 C.47 T.46 A.46 A.48 A.48 A.46 C.48 C.16 C.04
Hisp 152 C.03 C.34 C.47 T.46 A.46 A.45 A.46 A.42 G.43 C.17 C.01
CEPH 70 C.06 C.27 C.40 T.40 A.39 A.49 A.47 A.40 G.50 C.09 C.04
  • N denotes the number of chromosomes screened in each group. Only the grandparental chromosomes were considered in the CEPH pedigrees. In each case, the case of the rare allele is followed by its frequency. SNP names are as in Table 1.

This Article

  1. Genome Res. 12: 627-639

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