[ccp4bb] How to identify unknow heavy atom??

[Haytham Wahba]

1- if i have anomalous peak of unknown heavy atom, How can i identify this 
heavy atom in general. (different methods)
 
 
2- in my case, i see anomalous peak in heavy atom binding site (without any 
soaking). preliminary i did mass spec. i got Zn++ and Cu, How can i know which 
one give the anomalous peak in my protein.
 
3- there is way to know if i have Cu+ or Cu++.
 
 
Haytham
UdeM
Biochemistry