Table 1 Hexanucleotide repeat allele frequencies in TCERG1.

From: Huntington’s disease age at motor onset is modified by the tandem hexamer repeat in TCERG1

Allele

QTR length

STR length

Number of alleles

Allele frequency (%)

N

ΔN

N

ΔN

A1

38

0

6

0

1114

91.31

A2

35

−3

3

−3

50

4.10

A3

36

−2

4

−2

28

2.30

A4

40

+2

8

+2

24

1.97

A5

34

−4

4

−2

1

0.08

A6a

38

0

6

0

1

0.08

A7

39

+1

7

+1

1

0.08

A8

39

+1

6

0

1

0.08

  1. QTR quasi-tandem repeat, STR short tandem repeat.
  2. aAllele A6 differs from the reference allele, A1, by a synonymous SNV (see Fig. 1c).
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