Re: [ccp4bb] Friedel vs Bijvoet

2008-06-29 Thread Derek Logan
- When Rontgen discovered a new kind of light, he called it x- rays. Now only the Germans call them Rontgen rays. Thanks for a great essay! Since I have nothing of real value contribute here, I won't pass over the opportunity to be a besserwisser (as the Swedes say, using a borrowed

[ccp4bb] Weakest protein-protein complex crystallised

2008-06-29 Thread Derek Logan
Hi, Can anyone advise me what is currently the weakest protein-protein complex yet crystallised? Google searching turned up a paper from the Tromsø crystallography group (Helland et al. 1999, JMB 287, 923–942) in which a complex between beta-trypsin and a P1 mutant of BPTI with a Kd of

[ccp4bb] new version of refmac (v5.5)

2008-06-29 Thread Garib Murshudov
Dear all New version of refmac (v 5.5) is now available for use. Please have a look: www.ysbl.york.ac.uk/refmac/latest_refmac.html Major new developments are: 1) Maximum likelihood refinement against data from twinned crystals. Current version allows only one instruction: twin All