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MicroMégas User Manual

The MicroMégas plugin for Graphite adds the possibility to 1. manipulate curves: • edit quadratic and cubic Bézier curves. • load interpolatory curves (a sequence of points). • display these curves in various styles including as a DNA strand. • edit the precise orientation of the base pairs around the curve. • export the obtained DNA strand in the PDB File format. 2. generate protein surfaces: • display the model-chain hierarchy of PDB Files. • mesh various part of a protein with various meshing options. • specify intervals of residues and colorize these intervals. • export the surfaces in a 3D File format. • compute inter-residue distances. 1 Setting up MicroMégas To enable the MicroMégas plugin, follow these steps: 1. Open the Graphite’s preferences window File→preferences. 2. Click on the [Modules] tab. 3. Make sure that the MicroMegas appears in the list. If not, type “MicroMegas ” in the textfield on the right of the [Add...] Button and click on this Button; then click on the [Save configuration File] Button and restart Graphite. 4. Click on the [GEL] tab. 5. Check that a File named “micromegas.gel ” appears in the list. If not, add it by clicking on the small “folder ” icon below, selecting the correct File (in lib/plugins/OGF/MicroMegas/) and clicking the [Add...] Button; then click on the [Save configuration File] Button and restart Graphite. If setup correctly, a separate MicroMégas window should open when you start Graphite (Figure 1). You can close this window at any time and reopen it from Graphite’s menu Window→Show MicroMegas window. The bottom textfield The horizontal text field at the bottom of the MicroMégas window simply displays information about what is going on. 1 2 Molecula