[ccp4bb] Sulfate ion on 2-fold axis

[Jie Liu]

Dear all

I have a sulfate ion sitting on a 2-fold axis. Should I put in pdb file
one S atom with occu=0.5 and two O atoms with occu=1, or should
I put one S and four O atoms all with occu=0.5?

Thanks for your inputs.

Jie