Hi Mireya, Sounds like a problem with your computer graphics driver. You should use Chimera menu Help / Report a Bug... so we get info about what operating system and graphics driver you are using. The most likely fix is to update your graphics driver. I don't think significant changes were made to Chimera selection code between versions 1.7 and 1.8, but a big change was made in going from 1.6 to 1.7. Tom

To whom it should concern

I am working on some docking structures.

Previously I used to have Quimera version 1.7 installed in my computer. Recently I downloaded the version 1.8 but I am having problems identifying the amino acids that are in contact with my compound using the cursor. This function is inactivated. Furthermore if I hold the key Ctrl for selecting them and labeling it is also not doing it at all.

Any help with this issue will be greatly appreciated.

Mireya Gonzalez

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