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. 2004 Mar 1;164(5):701–715. doi: 10.1083/jcb.200312070

Figure 8.

Figure 8.

GTP binding and Cla4-mediated phosphorylation in filament assembly and septin collar formation. The diagram summarizes our results (see Discussion), but is not meant to imply when GTP binding occurs (during nascent synthesis and folding of each individual septin, or at a later time) or a regulatory role for GTP-for-GDP exchange in triggering filament assembly.