Presence of heavy atom

Dan Lim dan at U16.N104.QueensU.CA
Sat Sep 19 18:37:02 EST 1998

Hi, I have recently co-crystallized my protein with a heavy atom compound.  The new crystals
have a different morphology.  The crystals are rapidly dissolved by adding a bit of EDTA.

Can anyone suggest how one can confirm whether a heavy atom present in the crystal?  Are there
any spectroscopic methods?

We would just like to be certain before doing any MAD experiments at a synchrotron.

This heavy atom compound contains mercury.

Thanks in advance!

Please reply to: dan at

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