Test the diffraction - that's the only way. But given the other junk in
the drop, chances are they're salt.
(And don't post 5Mb attachments, please.)
On 07/02/2013 22:24, amro selem wrote:
Hallo my colleagues.
i hope every one doing ok . i did screening since two weeks . i
noticed today this crystals. i don`t know either it salt or protein
crystal . my protein has zero tryptophan so i could distinguish by UV
camera.
the condition was conditions:
0.1M SPG buffer pH 8 and 25%PEG 1500. in addition to Nickle chlorid 1mM.
best regards
Amr
