Z axis Symmetric Trimer Design.

Case number:699969-2008705
Topic:General
Opened by:CAN1958
Status:Closed
Type:Suggestion
Opened on:Thursday, January 30, 2020 - 21:39
Last modified:Friday, January 31, 2020 - 08:33

I was surprised the first time I tried to move the view in the Z axis and all bunch followed. What about if moving up 1 value to the original, then copy A would stay at Z lock and copy B would move up 2 values, resulting an offset of 1 between each.
The same could be valid when 3 copies, -1 0 +1 +2 apply to each sets.
Of course a reset to 0 Z axis to all be useful and in some puzzle you might still want it the standard way with Z axis lock.
An attach image to help you visualize my suggestion.

By the way having a fix pivoting point is a real pain, at least when symmetric viewing is turn off, it would make sense to have the pivoting point in the center of the main protein. Or is there a solution to this that I'm not aware of.

(Thu, 01/30/2020 - 21:39  |  7 comments)


CAN1958's picture
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So here is my image.

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http://fold.it/portal/files/Fbk SymmetricTrimer.png

Sorry I mist a step putting it. :-)

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Yes, this has come up before!

All of the recent symmetric puzzles have used cyclic symmetry (e.g. C2, C3, or C4 symmetry), in which each subunit is related strictly by rotation about the Z-axis.

To add offsets along the Z-axis would result in helical symmetry. This is certainly possible, but it yields protein assemblies with different properties (helical assembly will tend to result in extensible protein fibers).

For now we are most interested in protein assemblies cyclical symmetry, but maybe we will expand to other types of symmetry in the future!

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Thank you bkoep for the information, reassuring to know what your doing is actually what you want, but then the second surprise that I was concern, pivoting point is a pain for me as I often manually built the protein away from the center point. I hope something could be done for an easier manipulation of the view.

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If you hover the mouse over a protein segment and press Q, it will move the pivot point to that segment. Or hover over a segment and press shift-Q to center and zoom on that segment. This also cuts away some of the foreground. If you hover on the background and press Q, it will return to default depth and pivot location.

CAN1958's picture
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Thank you Susume, so I would say case closed. :-)

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