Figure 1.

The ProteinShader GUI. A screen capture of the ProteinShader GUI with a pen-and-ink style rendering of the retinol-binding protein [PDB:1AQB], a β-barrel structure [27], as a tubes style display. In the control panel on the right, the entire model was selected in the Decorations subpanel, and real-time halftoning was applied by selecting Noise from the Halftone Texture menu and Diagonals 1 from the Bend Texture menu.