Hi Chandan,
The closest sodium-sulfur interaction that I know of within a protein is in
entry 2BDG, Na (Atom 402, Chain A) to a CYS with a distance of 3.3 Angstroms.
A couple of examples exist of sodium-sulfur interactions that involve coenzyme
A (1FY7 and 1MJ9). I hope that helps.
Take Care
Dear All,
Electron density picture is attached here.
or
https://docs.google.com/leaf?id=0B89uj7DSbtUWNDRmMzZhNTAtMzlkMC00MDllLTgxYmItNDI0NzUwMjdlNTli&hl=en
I am working on a structure at 1.45 Ang resolution. I have noticed a density
that looks like water. However, it is surrounded by by six ot