RE: AMBER: Problems with xLEaP

From: Ross Walker <>
Date: Fri, 28 Jan 2005 14:19:52 -0800

Dear Kara,

> I'm having difficulty working with xLEap running on a Mac
> Powerbook G4
> using X11. I'm working on the tutorial by Ross Walker "Simulating a
> Solvated Protein that Contains Non-Standard Residues" and am at the
> point where I need to draw in the bonds in xLEap. Whenever I do
> anything involving zooming, selecting or rotating, the mouse gets
> "stuck" in rotation mode and I can't figure out how to get
> out of it.
> It won't even let me access the menu area above the molecule. I get
> stuck and then can't do anything. It's getting frustrating. Does
> anyone have any ideas as to how to fix this?

I've not tried xleap on a Mac unfortunately so can't help too much. However,
one question concerns the mouse you are using. Is it a single button mouse.
If so you may have more joy using a USB multibutton mouse so that you can
'right' click, use the middle button etc. E.g. you can then use the middle
button to rotate, left button to draw/select, the right button to move and
both the middle and right buttons together to zoom.

I'm not sure if this will help but it worth a try.

Perhaps some Mac users can comment further.

All the best

|\oss Walker

| Department of Molecular Biology TPC15 |
| The Scripps Research Institute |
| Tel:- +1 858 784 8889 | EMail:- |
| | PGP Key available on request |

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Received on Fri Jan 28 2005 - 22:53:00 PST
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