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. 2017 Jun 13;8:1082. doi: 10.3389/fmicb.2017.01082

FIGURE 4.

FIGURE 4

Comparative analysis of several CA proteins for their in vitro polymerization properties. CA-polymerization was performed in vitro and monitored by OD at 350 nm as described in MATERIALS AND METHODS. (A) Polymerization of NL4-3 CA (NLCA), GL-AN CA (GLCA), and NL/GL CA (NL/GL) proteins for 4 h at various NaCl concentrations. The chimeric clone NL/GL has the sequence encoding the NTD of NL4-3 CA and the linker domain/CTD of GL-AN CA (Figure 1A). (B) Polymerization kinetics of NL and NL/GL CA proteins (1.5 M NaCl). (C) Polymerization of NL and GL32NL CA proteins for 4 h at various NaCl concentrations. GL32NL is a chimeric NLCA-derivative clone which has the sequence encoding the very N-terminal region of GL-AN CA (Pro1-Phe32 in Figure 1A).