| Mouse clicks | |
| Normal | Mark and identify point; make measurement (pick) |
| With Shift | Center on selected point (pickcenter) |
| With Ctrl | Select residue for BACKRUB (on a C-alpha); clear current selection (elsewhere) |
| With Shift+Ctrl | - |
| Mouse drags | |
| Normal | Rotate around X and Y axes; Z-rotate (pinwheel) near top of screen |
| With Shift | Adjust zoom (up/down); Adjust clipping (left/right) |
| With Ctrl | Translate in X-Y plane (flatland); Z-translate near top of screen |
| With Shift+Ctrl | Rotate around Y axis only |
| Mouse wheel / Up & Down arrow keys | |
| Normal | Adjust dial (angle of rotation) |
| With Shift | Adjust clipping |
| With Ctrl | Adjust zoom |
| With Shift+Ctrl | - |