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Table 2 Frequency of double mutants (N=6/201)

From: High resolution melting analysis of KRAS, BRAF and PIK3CA in KRASexon 2 wild-type metastatic colorectal cancer

 

Coexisting mutations

 

No. of cases

Total no. of cases (%)

Gene and exon

cDNA sequence

Protein sequence

PIK3CA exon 9

c.1633G>A

p.Glu545Lys

1

6 (3.0%)

KRAS exon 4

c.436G>A

p.Ala146Thr

PIK3CA exon 9

c.1624G>A

p.Glu542Lys

1

KRAS exon 3

c.183A>C

p.Gln61His

PIK3CA exon 20

c.3139C>T

p.His1047Tyr

1

KRAS exon 3

c.173_217dup

p.Thr58_Met72dup

PIK3CA exon 20

c.3140A>G

p. His1047Arg

1

KRAS exon 4

c.436G>A

p.Ala146Thr

PIK3CA exon 20

c.3140A>G

p.His1047Arg

1

BRAF exon 11

c.1412 T>C

p.Val471Ala

KRAS exon 3

c.145G>A

p.Glu49Lys

1

KRAS exon 4

c.436G>A

p.Ala146Thr