Table 1.

Influenza A NP mutants generated

NPA mutant	Mutations	NPA mutant	Mutations
NP-DL	Δ402–428	DL87	Δ402–428, K87E
DLDC2	Δ402–428, Δ497–498	DL174	Δ402–428, R174E
DLDC3	Δ402–428, Δ496–498	DL87–74	Δ402–428, R74E, K87E
DLDC4	Δ402–428, Δ495–498	DL87–75	Δ402–428, R75E, K87E
DLDC8	Δ402–428, Δ491–498	DL87–65	Δ402–428, R65E, K87E
DL65	Δ402–428, R65E	DL65–75	Δ402–428, R65E, R75E
DL72	Δ402–428, D72K	DL65–174	Δ402–428, R65E, R174E
DL74	Δ402–428, R74E	DL3A	Δ402–428, Y148A, R152A, R156A
DL75	Δ402–428, R75E