>9Y9O_2|Chains B, D, F|Fusion glycoprotein F1 C-terminal heptad repeat (HR2)|Measles morbillivirus (11234)
XISLERLDVGTNLWNAIAKLEDAKELLESSDQILRSLX
>9Y9O_1|Chains A, C, E|Fusion glycoprotein F1 N-terminal heptad repeat (HR1)|Measles morbillivirus (11234)
XLNSQAIDNLRASLETTNQAIEAIRQAGQETILAVQGVQDYINNELIPSX