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Re: [IMP-users] ideal_helix density

On 10/20/16 7:01 PM, Julian wrote:

I'm trying to figure out how one would use the IDEAL_HELIX
representation for purposes of EMRestraint.

...

When I was modeling Rpb4 and Rpb7 as BEADS, everything seemed to be
working.  I then tried modeling a stretch of Rpb4 as IDEAL_HELIX, but
I'm not sure the density of that helix is recognized and the
representation/density doesn't look they way I would expect in Chimera.
Can you be a bit more specific about the problem? An ideal helix is basically the same as a set of beads, only that the initial positions of the 1-residue beads are set along a spiral. (The helix will fall apart during modeling though unless you also make it a rigid body.) 

	Ben
--
                      https://salilab.org/~ben/
"It is a capital mistake to theorize before one has data."
	- Sir Arthur Conan Doyle