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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 regardsAmr