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Table 4 KRAS, BRAF and PIK3CA mutations identified in 214 colorectal cancer patients

From: BRAF V600E mutation and KRAS codon 13 mutations predict poor survival in Chinese colorectal cancer patients

   Nucleotide Amino acid Case (total) %
KRAS     96 (214) 44.9
  exon 2 34G > A G12S 2  
   34G > C G12R 1  
   34G > T G12C 5  
   35G > A G12D 34  
   35G > C G12A 8  
   35G > T G12V 20  
   35G > T & 35G > A G12V & G12D 1  
   37G > T G13C 2  
   38G > A G13D 23  
BRAF     9 (214) 4.2
  exon 15 1799 T > A V600E 8  
   1801A > G K601E 1  
PIK3CA     26 (212)* 12.3
  exon 9    12 5.7
   1624G > A E542K 1  
   1633G > A E545K 7  
   1634A > C E545A 1  
   1636C > A Q546K 2  
   1637A > G Q546R 1  
  exon 20    14 6.6
   3062A > T Y1021F 2  
   3139C > T H1047Y 1  
   3140A > G H1047R 8  
   3140A > T H1047L 1  
   3145G > C G1049R 1  
   3155C > A T1052K 1  
  1. *DNA of 2 samples was not available for PIK3CA exon 20.