Re: [ccp4bb] GLRF and interpreting self rotation functions...

2009-04-02 Thread Jeff Speir
A standard orientation is anything you want it to be and is usually defined in the context of orthogonal axes. It is simply a reference point from which you apply the results of your search. We usually use one or more of the orthogonal axes as a starting point for easier visualization.

Re: [ccp4bb] sticky crystals

2009-01-28 Thread Jeff Speir
I second Chris's suggestions. These have worked well for me in the past. You only need a very thin layer of the grease (i.e. keep wiping until its almost completely gone) and it usually has no affect on the crystallization. Jeff On Jan 27, 2009, at 3:51 PM, Christopher Colbert wrote:

Re: [ccp4bb] Crystallographic computing platform recommendations?

2008-11-18 Thread Jeff Speir
We also use OSX almost exclusively for our virus crystallography projects, for the same reasons given by Bill and Anastassis. Every now and then we have to spend time re-compiling some programs with larger parameters or up to 64-bit, so don't want the added hassle of tinkering with the

Re: [ccp4bb] off-topic Apple computer question

2007-02-08 Thread Jeff Speir
Hi Bill, This sounds very unusual. We have 3rd party RAM in almost all of our Macs, and I've never had a repair request denied by AppleCare. This is an allowed DIY (do it yourself) installation in most if not all their recent machines. It's common knowledge now that hard drives fail