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. 2007 Aug 22;2(8):e765. doi: 10.1371/journal.pone.0000765

Figure 3. Cooperativity of VP1 in the reaction.

Figure 3

Effect of substrate concentration on the reaction yield. A–DNA; B–VP1. The amounts used per reaction, as described in Materials and Methods, is indicated. C-Fourteen different batches of nuclear extracts were assayed for packaging activity. Only 11 distinct data points are seen because of overlap of some of the data points. D-Calculation of Hill coefficient from the same set of data as in C. Y is the fraction of fully assembled VP1, measured as TU.