Re: [ccp4bb] Membrane fractionation

2014-01-07 Thread Raji Edayathumangalam
@JISCMAIL.AC.UK Subject: [ccp4bb] Membrane fractionation Dear crystallographers When we purify membrane proteins, we often fractionate the E. coli cell membrane by ultracentrifugation. Is there a need for this step instead of solubilizing the whole cell with detergents? Thank you. Theresa

[ccp4bb] Membrane fractionation

2014-01-06 Thread Theresa Hsu
Dear crystallographers When we purify membrane proteins, we often fractionate the E. coli cell membrane by ultracentrifugation. Is there a need for this step instead of solubilizing the whole cell with detergents? Thank you. Theresa