Sigma Chemical has discontinued sale of uridinediphosphate-xylose (UDP-xylose) and our lab has been unable to identify another commercial source. NEN sold a [14]C labeled version, but their source was Sigma. Can anyone suggest an alternative vendor? Thanks, Jim M.
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Jim Mensch <j-mensch at uchicago.edu>
"I went to the museum where they had all the heads and arms from the
