Hi Eric,

I was trying to get a mirror image of a PDB model and came across your thread. I know that you are typing in

m = chimera.openModels.list()[0]
for a in m.atoms:
    crd = a.coord()
    crd.z = 0 - crd.z
    a.setCoord(crd)

in the Gen Control>IDLE section, but I also read on GitHub that I should change the [0] in openModels.list()[0]to the model specifier. What does that mean exactly? I tried to type in the PDB ID to replace the 0 but nothing happened…Could you show me an example? What if I want to flip Chain B of a certain model or just the entire model?

Thank you so much for your help! Looking forward to hearing from you.

Best,

Nancy

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