Re: [ccp4bb] Yeast plasmid DNA miniprep problem

2012-04-13 Thread Philipp Ellinger
Hi Zhen, I also had problems with low amounts of plasmid from yeast using 5 ml o/n cultures. But when increasing the culture volume it worked: Large-scale (0.5­1 l for obtaining preparative plasmid amounts) overnight yeast cultures were harvested, washed in cold water once, and then resuspended

[ccp4bb] off-topic: tag removal

2011-02-23 Thread Philipp Ellinger
Dear all, I have a question concerning removal of a his-tag sequence. We have crystallized a protein with an important feature at the C-terminal part of the protein. Unfortunately, we cannot express it with a N-terminal his-tag, only with a C-terminal his-tag. Therefore we are looking for a

Re: [ccp4bb] How to detect the concentration of detergent?

2010-10-04 Thread Philipp Ellinger
Hi YB, There is a nice new paper online, dealing with this subject: http://www.ncbi.nlm.nih.gov/pubmed/20850411 Cheers Phil Am 04.10.10 17:09 schrieb Owen Pornillos unter o...@scripps.edu: Could anybody tell me how to detect the concentration of detergent? From Butler et al. (2004) J Mol