Profilin does all of the following except
A)competes with thymosin β4 for binding to actin monomers.
B)sequesters actin monomers to prevent any polymerization.
C)binds to formin in order to "stage" actin monomers for addition to a growing filament.
D)promotes actin monomer addition to a filament plus end.
E)Profilin does all of the above.

Question

Quizplus · Accepted Answer

Profilin does not sequester actin monomers to prevent any polymerization; instead, it promotes actin polymerization by supplying actin monomers to the growing plus end of actin filaments.

Profilin Does All of the Following Except