I have one model (pdb format), which contains multiple chains. Each chain (chain A for instance) consists of several helices.

Is it possible to display ChainA in this manner - first two helices as cylinders but the others as ribbons?

I tried to specify the residues, but it always changed the entire presence of the model, including the un-selected ones. Could you help me with this? I am still not very familiar with chimeraX.

Thank you very much.

Best regards,

Yingyi