Re: [ccp4bb] 250 kDa standard

2011-02-19 Thread Kushol Gupta
The Catalase tetramer is around there (232 kD according to the Table 1 in Mylonas and Svergun, J. Applied Cryst. 2007). The shape of the tetramer in the PDB (4BLC) seems reasonably globular. Cheers, Kushol Kushol Gupta, Ph.D. Research Associate Van Duyne Laboratory - HHMI/Univ. of Pennsylvani

Re: [ccp4bb] 250 kDa standard

2011-02-19 Thread Artem Evdokimov
A sufficiently long piece of DNA works OK. On Sat, Feb 19, 2011 at 6:47 PM, Alexandra Deaconescu wrote: > Dear ccp4bb enthusiasts: > > A question unrelated to ccp4: can anyone recommend a good 250 kDa standard > for gel filtration that is commercially available? It could be a single > polypeptid

[ccp4bb] 250 kDa standard

2011-02-19 Thread Alexandra Deaconescu
Dear ccp4bb enthusiasts: A question unrelated to ccp4: can anyone recommend a good 250 kDa standard for gel filtration that is commercially available? It could be a single polypeptide or an oligomer too... Thanks a lot! Bests, Alex

[ccp4bb] Post-doctoral position at the University of Texas Medical Branch, TX, USA

2011-02-19 Thread Choi, Kyung
A post-doctoral position is available in Dr. Kay Choi’s laboratory at the University of Texas Medical Branch for a structural biologist to study the structure and mechanism of viral macromolecular complexes. We use a combination of X-ray crystallography, cryo-electron microscopy, protein chemi

Re: [ccp4bb] off-topic: Discovery Studio software

2011-02-19 Thread James Whisstock (Med)
Hi What specific features are you looking for? Pymol (www.pymol.org) has most standard tools for analysis of protein structure as well as some very basic modeling capacity. Evaluation and academic packages are available. J On Saturday, 19 February 2011, Padmaja Mehta-D'souza wrote: > I have a

Re: [ccp4bb] off-topic: Discovery Studio software

2011-02-19 Thread Sean Seaver
Hi Padmaja, -Will it work on a Mac OS? No -Is there another program (free or cheaper) that will do everything DS does? Currently, there is a free version that you can use of DS. http://accelrys.com/products/discovery-studio/visualization-download.php Hopefully that will give you a feeling if the