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. 2021 Jul 3;12(17):5331–5337. doi: 10.7150/jca.59193

Table 1.

Mutations detected in the 1816 BRAF/NRAS wild-type patients

Mutations Codons Amino acid alteration Number of patients
Wild type 927
KRAS exon 2 mutation Codon 12 p.G12D 174
p.G12V 121
p.G12S 36
p.G12C 26
p.G12A 15
p.G12R 8
Other amino acid alteration 7
Unknown amino acid alteration 153
Codon 13 P.G13D 184
p.G13R 3
p.G13C 1
p.G13V 1
Unknown codon 51
KRAS exon 3 mutation Codon 61 p.Q61H 8
p.Q61L 7
p.Q61R 5
p.Q61K 2
Codon 59 p.A59T 2
Unknown codon 10
KRAS exon 4 mutation Codon 146 p.A146T 44
p.A146V 4
p.A146N 1
Codon 117 p.K117D 5
p.K117N 3
p.K117R 1
Codon 131 p.Q131fs 1
Unknown codon 16