>9ZUH_1|Chains A, C, E, G, I, K|Fusion glycoprotein F1 N-terminal heptad repeat (HR1)|Measles morbillivirus (11234) XLNSQAIDNLRASLETTNQAIEAIRQAGQETILAVQGVQDYINNELIPSX >9ZUH_2|Chains B, D, F, H, J, L|Fusion glycoprotein F1 C-terminal heptad repeat (HR2)|Measles morbillivirus (11234) XISWERLDVGTNLGNAIAKLEDAKELLESSDQILRSLX