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. 2012 Apr 12;8(4):e1002479. doi: 10.1371/journal.pcbi.1002479

Figure 3. Schematically illustrated model for a rapid turnover.

Figure 3

Two pools of MT1-MMP, pool X (PX) and pool D (PD), were assumed. In pool X, insertion was dependent on the surface density of MT1-MMP, and internalization proceeds at a constant rate. While in pool D, insertion proceeds at a constant rate, and internalization was dependent on the surface density.