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Table 2 List of clinically relevant variants detected within the BRCA1, BRCA2 and ERBB2 genes applying targeted sequencing from blood derived DNA samples in our breast cancer cohort recruited from Bangladesh

From: Novel mutations in actionable breast cancer genes by targeted sequencing in an ethnically homogenous cohort

Sample Id

Gene name

Coordinate [position] (hg19)

Mutation Types

Significance

Exon

Nucleotide change

Amino acid change

1

BRCA2

32,931,983

Stopgain

pathogenic

16

c.7722 G > A

p.Trp2574Ter

2

BRCA2

32,906,729

Nonsynonymous

VUS

10

c.1114 A > C

p.Asn372His

3

BRCA2

32,907,407

Nonsynonymous

VUS

10

c.1792A > G

p.Thr598Ala

4

BRCA1

41,222,983

Nonsynonymous*

Pathogenic

16

c.5011 T > C

p.Met1671Val

5

BRCA1

41,245,262

Nonsynonymous

VUS

10

c.2286A > T

p.Arg762Ser

6

BRCA1

41,243,553

Nonsynonymous

VUS

10

c.3995 C > A

p.Gly1332Val

7

BRCA2

32,906,916–32,906,923

frameshift deletion *

Pathogenic

10

c.1301_1308del AAAGAAAG

p.Lys436Phefs*

8

BRCA1

41,246,489

Stopgain

pathogenic

10

c.1058G > A

p.Trp353Ter

9

BRCA2

32,899,247

frameshift deletion *

Pathogenic

4

c.351_352delTC

p.Arg118Hisfs*

10

ERBB2

37,880,988

Nonsynonymous*

VUS

24

c.2272 G > C

p.Val758Leu

11

BRCA2

32,914,943

Nonsynonymous*

Pathogenic

11

c.6451 G > A

p.Val2151Ile

  1. *defines the novel variants in our cohort