TABLE 1.

TX-100 resistance of the membrane-bound M1 in cells coexpressing viral proteins^a

Coexpressed protein(s)	% of detergent-resistant membrane-bound M1
None	0
Sendai F	0
HA	85 ± 5
NA	87 ± 3
HA and NA	93 ± 3
FHH	75 ± 5
HHF	57 ± 8
FFH	70 ± 5

^aThese results are calculated by densitometric analysis of autoradiographs shown in Fig. 3 and 4 from three or more independent experiments. All proteins were expressed using RVV.