[求救]透析&濃縮
這陣子都在將純化的GST fusion protein做透析和濃縮
elution buffer:
30mM Reduced Glutathione
100mM Tris-HCl pH=8.5
1% Triton X-100
純化完都是直接凍-80度
透析是用1x PBS 換3~4次
但是不論在濃縮或是透析都會出現蛋白質沉澱
我想請問版友們
有什麼方法可以解決
目前只有想到是否是因為濃度過高(後續實驗是比較希望能高一點)
感謝!!
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