I wonder if anyone has tried glutamate as a cryprotectant for proteins. If the [] is that high, it may make a stable environment for proteins. I have no idea what effect it might have on ice formation. https://amb-express.springeropen.com/articles/10.1186/2191-0855-3-36 /Bacillus subtilis/ natto: a non-toxic source of poly-γ-glutamic acid that could be used as a cryoprotectant for probiotic bacteria Bhat, et al *DOI: *10.1186/2191-0855-3-36 On 01/11/2017 07:45 PM, Keller, Jacob wrote: > > Dear Crystallographers, > > Was anyone else aware that in E coli the intracellular glutamate > concentration is ~100 mM? Also other cell types (yeast, mammalian) are > 10s mM. Anything to say about this? I learned of this just recently, > and have been amazed about it for more than a week. Did I miss this in > Biochem 101? Does it matter? > > JPK > > ******************************************* > > Jacob Pearson Keller, PhD > > Research Scientist > > HHMI Janelia Research Campus / Looger lab > > Phone: (571)209-4000 x3159 > > Email: [log in to unmask] <mailto:[log in to unmask]> > > ******************************************* > -- ======================================================================= All Things Serve the Beam ======================================================================= David J. Schuller modern man in a post-modern world MacCHESS, Cornell University [log in to unmask]