Yes it can. See 5x49 (residue 603) for a wonderful example.
On 2018-01-26 16:46, Michal Boniecki wrote:
> I have positive density around lysine residue (image). This density is
> found in all crystals, and only with this lysine. It is solvent
> accessible but again not only this one is surface K residue. Can PEG
> wrap around lysine like this? Maybe someone else have seen similar
> density and knows what it might be?
>
> Thank You
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