[ccp4bb] poor SelMet Incorpoation

2014-07-04 Thread Taylor, Jonathan D
You may want to check out the Studier paper on autoinduction from 2005. It has various bits of advice about SeMet labelling, like getting the amino acid mixture right and vitamin/metal stocks. I follow this and do fine with BL21 DE3 cells. Jon On Thu, Jul 03, 2014 at 10:00 PM, Maher Alayyoubi

[ccp4bb] poor SelMet Incorpoation

2014-07-03 Thread Maher Alayyoubi
Hi Everyone, Can someone please help me figure out what's wrong with my SelMet incorporation protocol. My protein of interest is 500 amino acids with 20 of these being Methionines. However mass spec data show that only two of these 20 Methionine sites are partially labelled with SelMet. The follow