Hello all,
Looking for advice from any CCP4MG users.
I am making some structural figures and have run into a problem. I posted a
question to the CCP4MG-specific email list quite a while ago but received no
responses, so I don't know if that list is still active.
Essentially, I want to change the color of a small stretch of residues within
the larger protein chain. For example, I want to display a protein running
from residues 1-100 in gray using the ribbons representation, and I want to
change only residues 50-60 to red, also in the ribbons representation.
If I try to accomplish this in CCP4MG by creating two different display
objects, {1-49, 61-100} and {50-60}, I can change the colors as desired, but
gaps appear at the interfaces between the segments of the ribbons
representation, i.e. between residues 49 and 50, and then between residues 60
and 61. Is there a way to plug those gaps such that the structure is smoothly
connected from 1-100 in the ribbons representation? When I display the
structure using the cylinders representation, everything is smoothly connected
with the correct colors, but when I change to ribbons representation, the gaps
appear. Any ideas?
Alternatively, there's got to be a way simply to change the color of a subset
of residues within a chain without having to create an individual display
object for each segment, but if it exists it has escaped me.
Thanks for any advice you can provide.
Matthew
---
Matthew J. Whitley, Ph.D.
Research Instructor
Department of Pharmacology & Chemical Biology
University of Pittsburgh School of Medicine
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