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Table 3.

Mutations of the epidermal growth factor receptor gene. The change in amino acid sequence and the change in the nucleotide sequence are shown for each mutation. A letter before each sequence corresponds to that shown in Fig. 2C

No. No.
Exon 19 deletions 29
c E746‐A750del 13
2235–2249delGGAATTAAGAGAAGC
c E746‐A750del  7
2236–2250delGAATTAAGAGAAGCA
h L747‐S752del E746V  1
2238–2255delATTAAGAGAAGCAACATC, 2237 A > T
j L747‐E749del A750P  2
2239–2247delTTAAGAGAA, 2248G > C
k L747‐A750del T751S  1
2240–2251delTAAGAGAAGCAA
r L747‐S752del P753S  3
2240–2257delTAAGAGAAGCAACATCTC
L747‐T751del  1
2238–2252delATTAAGAGAAGCAAC
L747‐T753del ins A  1
2239–2258delTTAAGAGAAGCAACA, ins GCT
Exon 21 point mutations 16
y L858R
2573T > G 15
z L861Q  1
2582T > A

Mutations determined by the direct sequencing of the peptide nucleic acid‐locked nucleic acid polymerase chain reaction clamp product.

Chromatogram of the direct sequence is shown in Fig. 3B