Tobacco acid pyrophosphatase source?

Chris Kafer ckafer at
Fri Feb 4 17:43:54 EST 2000

I'm looking for this enzyme or a similar one that will cleave the cap
from an mRNA and leave a 5'-OH.  I've looked in all the standard
catalogs; the only place I've found it is in a RACE kit from Ambion
which I dont want to buy.

Thanks for any tips!

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