David Martin x3175 dmartin at
Wed Jul 28 11:43:09 EST 1993

We are considering making selenomethionine proteins using met- E.Coli.

Does anyone have any tips for purification? (we have a good method for
purifying the S-met variant of our protein.)

I heard somewhere that it is important to have 10mM DTT in the purification 
buffers but this is not desirable.

Does anyone have any experience with purifying selenomethionine proteins?

thanks in advance

David Martin

Haemostasis research group
Clinical Research Centre
Harrow UK

dmartin at

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