On Wed, 2010-02-03 at 18:26 +0100, Mark J. van Raaij wrote: > as it appears to bear near the guanidine group of an arginine, I would > suggest it is a partially occupied and disordered sulphate and/or > phosphate.
If it's a sulphate, a look at the anomalous map should show something. -- ======================================================================= All Things Serve the Beam ======================================================================= David J. Schuller modern man in a post-modern world MacCHESS, Cornell University schul...@cornell.edu