Arp2/3 filament nucleation images
Here are some stills from the Arp2/3 model movies (the movies themselves are on this page).
Filament Nucleation
![The Arp2/3 nucleation reaction: Components: Mother filament, Arp2/3 complex, VCA, and an actin monomer The Arp2/3 nucleation reaction: Components: Mother filament, Arp2/3 complex, VCA, and an actin monomer](/wp-content/uploads/2009/10/Arp23_nucleation_components.png)
The Arp2/3 nucleation reaction: Components: Mother filament, Arp2/3 complex, VCA, and an actin monomer
![The Arp2/3 nucleation reaction: Arp2/3 docks onto the mother filament The Arp2/3 nucleation reaction: Arp2/3 docks onto the mother filament](/wp-content/uploads/2009/10/Arp23DockedOnMotherFilament.png)
The Arp2/3 nucleation reaction: Arp2/3 docks onto the mother filament
![The Arp2/3 nucleation reaction: VCA delivers an actin monomer to the Arp2/3 complex The Arp2/3 nucleation reaction: VCA delivers an actin monomer to the Arp2/3 complex](/wp-content/uploads/2009/10/Arp23MonomerDelivered.png)
The Arp2/3 nucleation reaction: VCA delivers an actin monomer to the Arp2/3 complex
![The Arp2/3 nucleation reaction: VCA docks the actin monomer onto the Arp2/3 complex The Arp2/3 nucleation reaction: VCA docks the actin monomer onto the Arp2/3 complex](/wp-content/uploads/2009/10/Arp23MonomerDocked.png)
The Arp2/3 nucleation reaction: VCA docks the actin monomer onto the Arp2/3 complex
![The Arp2/3 nucleation reaction: Actin polymerizes from the completed nucleus, VCA released The Arp2/3 nucleation reaction: Actin polymerizes from the completed nucleus, VCA released](/wp-content/uploads/2009/10/Arp23Branch.png)
The Arp2/3 nucleation reaction: Actin polymerizes from the completed nucleus, VCA released
Filament Capping
![Arp2/3 about to cap an actin filament Arp2/3 about to cap an actin filament](/wp-content/uploads/2009/10/Arp23Capping.png)
Arp2/3 about to cap an actin filament
![Arp2/3 capping an actin filament Arp2/3 capping an actin filament](/wp-content/uploads/2009/10/Arp23Capped.png)
Arp2/3 capping an actin filament