You might find this interesting: https://www.rcsb.org/3d-view/4V60/1 https://www.rcsb.org/3d-view/4V60/1 Scroll down the menu on the sidebar (components->...),

You might find this interesting: https://www.rcsb.org/3d-view/4V60/1 https://www.rcsb.org/3d-view/4V60/1 Scroll down the menu on the sidebar (components->...), there are all kinds of "view modes" which allow you to look at different aspects of its substructure.