Table 5.

KRAS mutations in 159 lung cancers

	cDNA change	Amino acid change	Frequency	Percentage
Codon 12/Exon 2	c.34G > T	p.G12C	72	45.3
Codon 12/Exon 2	c.35G > T	p.G12 V	26	16.4
Codon 12/Exon 2	c.35G > A	p.G12D	20	12.6
Codon 12/Exon 2	c.35G > C	p.G12A	15	9.4
Codon 12/Exon 2	c.34_35del	p.G12F	3	1.9
Codon 12/Exon 2	c.34G > C	p.G12R	2	1.3
Codon 12/Exon 2	c.34G > A	p.G12S	1	0.6
Codon 13/Exon 2	c.37G > T	p.G13C	10	6.3
Codon 13/Exon 2	c.37G > A	p.G13S	2	1.3
Codon 13/Exon 2	c.38G > A	p.G13D	2	1.3
Codon 13/Exon 2	c.37G > C	p.G13R	1	0.6
Codon 61/Exon 3	c.183A > C	p.Q61H	3	1.9
Codon 61/Exon 3	c.182A > T	p.Q61L	2	1.3