VASP decreases the density of filament
branching
Actin
Arp2/3
Merged
+ VASP
- VASP
A
C
Actin, pico-moles
Arp2/3, femto-moles
Arp2/3
Actin
60
40
20
0
+ VASP
- VASP
+ VASP
- VASP
(Arp2/3:actin)x1000
2
1
0
Arp2/3
Actin
Actin
Arp2/3
(Samarin, Romero et al., J. Cell Biol. 2003)
