Figure 3.

ReaDDy model. (A) Collision radii of R-type, G-type, and RG-type particles were chosen based on crystal structures (R and ${\text{R}}^{\ast }$, bovine 1U19 and 3PQR (40); G, bovine 1GOT (41); RG, 3SN6 (42)). Due to the different molecular shapes within and on the surface of the membrane, there are two types of collision radii: r_c,mb for collisions within the membrane and r_c,sol for collisions on the membrane surface (see Table 2 for radius parameters). (B) Disk-vesicle geometry with 4499 R (purple), 450 G (blue), and 1 ${\text{R}}^{\ast }$ (yellow) on a 0.18 μm² surface. The diffusion trajectory (black line; and see inset) of ${\text{R}}^{\ast }$ is drawn for 2 ms. To see this figure in color, go online.