IUBio

seek any methods determine and purify mutimeric protein

Dr E. Buxbaum EB15 at le.ac.uk
Fri Mar 7 07:29:39 EST 1997


"Hong, Minsun" <compania at donald.hanho.co.kr> wrote:
>Hello..
>
>i'm trying to find out that my recombinant protein which is secreted by
>S. cerevisiae, is multimer or monomer in culture medium. 
>
>would you show my applicable methods?
>and if it will be mutimer, is it possible to purify it as it is?

Get in touch with somebody who has an analytical ultracentrifuge. They can 
determine the molecular weight in a single run, at least if the sample is 
monodisperse.

Both gel chromatography and rate zonal centrifugation in sucrose or glycerol 
gradients are getle methods to separate proteins by MW. 




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