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Table 2 The proportion of mutations found within dinucleotides in the mutated stop codon-flanking pentanucleotides as compared with randomly generated HGMD controls

From: A meta-analysis of single base-pair substitutions in translational termination codons ('nonstop' mutations) that cause human inherited disease

Dinucleotide

Occurrence of nonstop mutations in mutated sequence dataset (%)

Occurrence of random mutations within HGMD control sequences (%)

pvalue (after correction for multiple testing)

AA

25 (21.00)

348 (20.57)

0.907

AC

6 (5.04)

71 (4.196)

0.636

AG

18 (15.13)

303 (17.91)

0.534

AT

16 (13.44)

238 (14.066)

1.0

CT

23 (19.33)

318 (18.79)

0.903

GG

1 (0.84)

35 (2.07)

NA*

GA

32 (26.89)

424 (25.06)

0.663

GC

1 (0.84)

25 (1.48)

NA*

GT

21 (17.65)

259 (15.31)

0.511

TT

10 (8.4)

155 (9.16)

1.0

TA

36 (30.25)

606 (35.82)

0.235

TG

49 (41.18)

602 (35.58)

0.236

  1. *Sample size of mutated sequences too small to generate p values. (Note that four dinucleotides (CC, CA, CG and TC) cannot occur in conjunction with any stop codon-spanning pentanucleotide and were therefore omitted from this analysis.)