Table 2. Median sequencing error rates using various ONT flowcell chemistries.

Mutation and context (amino acid change)	R7.3	R9	R9.4
TA[T > C]GC (His47Arg)	0.023	0.023	0.005
TA[C > T]GC (Arg47His)	0.015	0.024	0.026
AT[T > C]CG (Glu495Gly)	0.014	0.018	0.009
AT[C > T]CG (Gly495Glu)	0.025	0.009	0.009