Dear Crystallographers, I have crystals containing 666mM NH4 and 540mM Na, and there appears to be a "water" which is only about 2.2 Ang from some polar atoms. It is currently reasonably happy as a Na, but is there any reasonable way to decide which cation is there?
JPK -- ******************************************* Jacob Pearson Keller Northwestern University Medical Scientist Training Program email: [email protected] *******************************************
