IUBio

HELP!!!! how to purify protein require for NAD

Colin Rasmussen colin at schizo.usask.ca
Mon Mar 6 11:13:50 EST 2000



ssultang wrote:

> Hi, Everyone!
>
> I am purifying some aldehyde dehydrogenases requiring NAD with
> 5'AMP-sepharose 4B.
> But,I could not find the activity after 5'AMP-sepharose 4B affinity
> chromatography
>
> In column work,
>     - starting and washing buffer : 10mM sodium phosphate buffer
>     - eluting bnuffer : containing 0.5, 3, 7,10mM NAD
>     - and at last eluting with 100mM sodium phosphate buffer.
> Where is the enzyme?
> How can I detach the guys from 5'AMP-sepharose 4B?
>
> Please send me your idea.
> With best regards.
> Thank you in advance for your reply......

Have you checked the flow through to make sure it even bound to the
comlumn?

Colin






More information about the Proteins mailing list

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