Re: [ccp4bb] isopropanol as a precipitant

2008-03-07 Thread Patrick Shaw Stewart
-877-225-2034 Regd. England 2177994, VAT Reg. GB 480 7371 36 From: CCP4 bulletin board [mailto:[EMAIL PROTECTED] On Behalf Of shivesh kumar Sent: 05 March 2008 07:23 To: CCP4BB@JISCMAIL.AC.UK Subject: [ccp4bb] isopropanol as a precipitant Dear all Sorry for non-CCP4 query. I have

Re: [ccp4bb] isopropanol as a precipitant

2008-03-05 Thread Tommi Kajander
Hi, if you look at papers on crystallization of the E.coli protein ROP, you might find interesting info, in particular e.g.: Papanikolau Y, Kotsifaki D, Fadouloglou VE, Gazi AD, Glykos NM, Cesareni G, Kokkinidis M. Ionic strength reducers: an efficient approach to protein purification and

[ccp4bb] isopropanol as a precipitant

2008-03-04 Thread shivesh kumar
Dear all Sorry for non-CCP4 query. I have crystallized a 7kDa protein in 50-60% of isopropanol,pH 4.0-4.6.Theinteresting thing is that the xtal appears within 5 hrs at 16 degree. The protein conc is 5mg/ml and drop size is 3+1 with mother liquor 300 micro lt.Numerous xtals appears and but small is