In other words you have to tell it exactly where the file is unless it is in the directory where you downloaded the file. Also you can use the ChimeraX "cd" command to change to a new current directory in ChimeraX.

On Apr 21, 2022, at 4:42 PM, Zhang, Bixia via Chimera-users <chimera-users@cgl.ucsf.edu> wrote:

Good afternoon,
I am trying to open .poc file from CASTP server in Chimera X. And I found this chimeraX recipehttps://rbvi.github.io/chimerax-recipes/castp/castp.html. However, when I used the command open read_castp.py, it saidNo such file/path: read_castp.py. I am working on a Linux unbuntu box and I don't know if this is making any difference. Could you please help with this issue?
Thank you so much!
Best,
Bixia

Read CASTP pockets file - ChimeraX Recipes
We for the ChimeraX atom specifier from chain identifier, residue number and atom name. For example, the above lines are for atoms /A:45@NH2, /B:27@O, /B:27@CG1 in ChimeraX syntax belonging to pockets 2, 1 and 1.
rbvi.github.io

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