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Table 2 Validation data for SMARCB1 screening by HRM

From: Rapid detection of SMARCB1 sequence variation using high resolution melting

Exon Analysed

Total Sample Number

Coding sequence mutation identified by direct sequencing

Polymorphism identified by direct sequencing

Wild-type melt profiles

Variant melt profiles

False Positive Melt

False Negative melt

Exon 1-1

14

0

0

13

1

1(7.1%)

0

Exon1-2

14

0

14

dinuc GC repeat

0

14

0

0

Exon 2

14

c157C>T (3180)

c157C>T (3641)

0

12

2

0

0

Exon 3

14

0

0

13

1

1(7.1%)

0

Exon 4

14

0

0

13

1

1(7.1%)

0

Exon 5

14

c601C>T (3161)

c569-570 ins18 (3180)

0

12

2

0

0

Exon 6

14

c795+2delinsATGA (3161)

0

12

1

1 (7.1%)

0

Exon 7

14

c933_934insAT (3331)

4

(SNPrs35817983)

10

4

0

0

Exon 8

14

0

0

10

4

4 (28.6%)

0

Exon 9

14

0

5

(SNP rs5030613)

9

6

1 (7.1%)

0

  1. Validation was performed on the sample series; 3022, 3073, 3074, 3161, 3180, 3327, 3331, 3356, 3441, 3473, 3474, 3567, 3640 and 3641.