[PyMOL] nucleic acid cartoon problem?

[Leven <lw...@ya...>]

Hi,

I came across a possible (and maybe debatable) problem
with RNA cartoons:

With default settings (i.e. cartoon_nucleic_acid_mode
= 0, so the ribbon goes through P's), the "rungs" or
sticks in the ladder representation don't always
intersect with the backbone ribbon. In other words,
sometimes the ladder sticks are floating in space.
This is exacerbated in highly kinked areas of the
backbone and fixed with cartoon_nucleic_acid_mode = 1
(ribbon through C3').

To be correct, I imagine the algorithm for drawing the
ladder should be different for each mode. Is there an
easy fix (keeping cartoon_nucleic_acid_mode = 0)? 

By the way, I'm using the latest Linux beta build
(0.99-37).

Thanks much,

Leven


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