IUBio

How do you solubilise an insoluble protein??

Jean-Philippe GÉRARD jpg at pasteur.fr
Fri May 30 15:08:25 EST 1997


Grace Ho <EHO17 at alpha2.curtin.edu.au> éCRIVAIT (wrote) :


> 					You see, I am currently working with a highly insoluble recombinant 
> protein.. (I mean highly insoluble in water!!)  Anyway, I have to put my 
> protein, once solubilised into my cell culture media to test for cells 
> stimulation in response to the protein....	Therefore the solvent for my 
> recombinant protein has to be pretty gentle to the cells... 

Try Guanidium chloride 5M or 7M in the buffer of your choice.
You should solubilize your protein in a small volume.
To assay it, just dilute it out (GuCl as control).

It worked for IL-2, IL-1, gamma-IFN, etc.

Why not your stuff ?
                                                                 __  __
______________________________              _____               /  \/  \
                jpg at pasteur.fr          _____  __o              |      |
     Ideal doctors are patient       ------   -\<,               \    /
------------------------------   --------     O' O                \  /
"Idéalement, médecins sont patients" traduisit-il approximativement\/
"Et les miens le sont-ils ?" répliqua-t-elle du tac au tac
Ah ! le français (la française) et les trésors de 'sa' langue.




More information about the Immuno mailing list

Send comments to us at biosci-help [At] net.bio.net