[ccp4bb] Mapmask (Patterson)

2008-06-28 Thread Markus Kroutil
Dear ccp4 users: Where can I find a description of the program Mapmask (Patterson): There are several possibilities to calculate a map (Patterson, Patterson from intensity, difference patterson, anomalous difference patterson, Patterson using anom. difference data).. What are the differences

Re: [ccp4bb] Binding to Nickel in the presence of SDS or arginine

2008-06-28 Thread Artem Evdokimov
I've used 2 M KCl and 3 M NaCl without any trouble. Notably, you can use urea as well for denatured proteins. I've purified histones on HisSELECT w/o any trouble and they have a pI of 11. Naturally, His-tag is a bit of an overkill for histones and such since they're purifiable over CM columns at

[ccp4bb] Disordered domains in crystal strutures

2008-06-28 Thread Gina Clayton
Dear CCP4ers can anyone recommend papers describing crystal structures of proteins with a large functionally important disordered domain or domains. Thanks in advance Gina