Using the Structure Viewer

Desired behavior	Action
Rotate the structure	Hold left mouse button in the Structure Viewer, and move the mouse.
Rotate the structure around the z-axis perpendicular to the plane of the screen	Hold the shift key while moving the mouse and pressing the left mouse button.
Zoom in and out of the structure	Hold middle mouse button or mouse wheel and move the mouse vertically.
Move the structure in the plane of the screen	Hold right mouse button and drag the mouse.