Ball and Stick

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Ball and Stick

The ball and stick representation is very often used to display macromolecules. PyMOL allows the user the ability to turn on this representation for certain selections, or roll their own hand-made versions of the command (see below).

Usage

Builtin

GUI

Using the mouse, for the desired object or selection click A > Preset > ball and stick.

Command Line/API

# turn on the representation for everything in PyMOL
preset.ball_and_stick(selection='all', mode=1)

Parameter mode can be 1 or 2. With mode=1 you'll have...

set_bond stick_color, white, selection, selection
set_bond stick_radius, 0.14, selection, selection
set sphere_scale, 0.25, selection
show sticks, selection
show spheres, selection

If mode=2 than you'll get...

set_bond stick_color, white, selection, selection
set_bond stick_radius, -0.14, selection, selection
set stick_ball, 1
set stick_ball_ratio, -1.0
set stick_ball_color, atomic
show sticks, selection

Hand Made

Balls with sticks really look nice. You can even create your own style of this, with control over sphere_scale and stick_radius.

hide lines
show sticks
show spheres
set stick_radius, 0.1, (all)
set sphere_scale, 0.25, (all)

Also OK:

show sticks
set valence, on
set stick_ball, on
set stick_ball_ratio, 3
set stick_radius, 0.12

You can adjust the two numbers above to your taste.


Ed. As of 0.98bXX there is a GUI-enable Ball & Stick representation available to users. Tree

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