KRAS Mutation Sample ID Mutation (%) Lowest DNA Input with Correct Call
(ng/PCR)a
G12A, GGT > GCT FFPET #10, DNA blend 4.5 12.5
FFPET #11, DNA blend 5.1 12.5
G12D, GGT > GAT FFPET #12, DNA blend 5.0 12.5
FFPET #13, DNA blend 5.2 12.5
G12S, GGT >AGT FFPET #14, DNA blend 5.6 12.5
G12V, GGT > GTT FFPET #15, DNA blend 2.9 12.5
FFPET #16, DNA blend 5.7 12.5
G13A, GGC > GCC Plasmid, DNA blend 3.7 50.0b
G13D, GGC > GAC FFPET #17, DNA blend 4.8 3.1
FFPET #18, DNA blend 6.8 3.1
G13S, GGC >AGC Plasmid, DNA blend 1.6 50.0b
G13V, GGC > GTC Plasmid, DNA blend 2.6 50.0b
Q61E, CAA >GAA Plasmid, DNA blend 5.7 50.0b
Q61P, CAA > CCA Plasmid, DNA blend 3.2 50.0b
Q61R, CAA > CGA FFPET #19, DNA blend 4.8 50
aLowest amount of input DNA (ng/PCR) tested with a correct mutation call rate of ≥95% (upper one-sided 95% CI) per 24 replicates. bPlasmid DNA blends were tested only at 50.0 ng per PCR reaction.
Table 2: Summary of LOD results for the additional 11 KRAS mutations in codons 12, 13 and 61.