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. Author manuscript; available in PMC: 2011 Nov 11.
Published in final edited form as: Biochem J. 2011 Jul 1;437(1):43–52. doi: 10.1042/BJ20110410

Figure 7. Model describing the sequence of events that FlaI undergoes in AFAS as inferred from the present study.

Figure 7

FlaI undergoes ATP-dependent oligomerization and attains a hexameric conformation. This ATP bound hexameric FlaI is possibly stabilized via interactions with other membrane components (such as FlaJ) in AFAS and also with tetraether lipids in the membrane. ATPase activity of FlaI, already associated with the macromolecular archaeal flagella assembly complex, might provide energy to drive the flagellum assembly and/or rotation.