protein purification column

Hong Liu Hong_Liu at
Fri Mar 4 17:47:11 EST 1994

Hi! Dear Netters:
      I want to purify a protein with pI of 4.5 and MW of 35KD from plant
leaves.  Now I consider to use a cation exchange column for this purpose. 
I have no idea about the matrix I need to buy and the company I should go
to.  If anyone has any suggestions or ideas about the purification of this
protein, please reply to this email.  Thank you very much!

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