Special Nodes and R-groups

images/download/attachments/1805712/Special_Nodes_and_R-groups.png

Special nodes

Name

Description

Homology groups

The drop-down list contains the default homology groups.

Pol

Pseudo atom Pol. This button changes the selected atom to a pseudo atom labeled Pol (polymer).

*

This button creates an * atom, which indicates an unspecified end group in polymers.

R-groups

These atoms can be used to describe unknown or unspecified molecule parts or to draw R-group queries or Markush structures.