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RE: [ccp4bb]: Seleno Methionine



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We used both successfully. We buy the cheaper one,
remember it's just bug food...

best, br

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Bernhard Rupp
Macromolecular Crystallography and Structural Genomics
LLNL-BBRP L448                               Phone (925) 423-3273
University of California                     Phax  (925) 424-3130
Livermore, CA 94551                          email    br@llnl.gov
URL                                 http://www-structure.llnl.gov
TB Structural Genomics Consortium  http://www.doe-mbi.ucla.edu/TB
EU Mirror         http://www.ccp14.ac.uk/ccp/web-mirrors/llnlrupp
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> -----Original Message-----
> From: owner-ccp4bb@dl.ac.uk [mailto:owner-ccp4bb@dl.ac.uk]On Behalf Of
> Denis Verger
> Sent: Tuesday, February 26, 2002 9:51 AM
> To: ccp4bb@dl.ac.uk
> Subject: [ccp4bb]: Seleno Methionine
>
>
> ***  For details on how to be removed from this list visit the  ***
> ***          CCP4 home page http://www.ccp4.ac.uk         ***
>
> Dear all,
>
> This is a basic question not directly related to CCP4.
> We want to buy so commercially available SelenoMethionine and we mainly
> found 2 providers : Sigma and Acros.
>
> The thing that stiked us is the price difference between these providers :
>
> Acros : L Selenomethionine 99+%
> R/23/25 33; S 20/21 28A 45 UN 3283 DOT 6.1(55C)
>
> Price  250 mg  : 412 Francs
>          1  g  : 555 Francs
>         2.5 g  : 717 Francs
>
>
> Sigma : Seleno-L-Methionine
> R:62-36/37/38  S:26-36
>
> Price   25 mg  : 232 Francs
>        100 mg  : 726 Francs
>
> Does anybody know why there is such a price difference? Any
> experience with
> any of these products and which one to choose?
>
> Thanks for any help
>
> Cheers
>
> Denis verger
>
>