Re: [ccp4bb] regarding refinement and structure determination by MR

2011-06-09 Thread Herman . Schreuder
09, 2011 9:46 AM To: CCP4BB@JISCMAIL.AC.UK Subject: [ccp4bb] regarding refinement and structure determination by MR Dear experts, I got two questions regarding refinement and structure determination by MR. 1.I got a dataset of resolution at 2A refined to Rva

Re: [ccp4bb] regarding refinement and structure determination by MR

2011-06-09 Thread Eleanor Dodson
First Q. Checking the refined structure in detail.. This is personal. Basic - run REFMAC with monitor many - that lists really bad bonds, chirality, symmetry clashes etc, but frankly by the time you are at R=20% there shouldnt be many of those.. You need to be sure you have described any CIS pe

Re: [ccp4bb] regarding refinement and structure determination by MR

2011-06-09 Thread Mark J van Raaij
1. I would recommend to use Molprobity on the website: http://molprobity.biochem.duke.edu/ 2. Remember that if your spacegroup is P1, the origin (i.e. translations along a, b and c) is not determined and the first molecule may be placed anywhere. Similarly, in monoclinic spacegroups, the transla