SDS-PAGE如何在200kD以上區分10-20kD的差別?
小弟在做post-translational modification
據經驗修飾後應會增加10-30kD的分子量
但這次不巧挑到一個大個子 (MW 195kD)
用6% gel 100V跑2小時也沒辦法區分修飾與未修飾的標的
不知有無PAGE/proteomics達人能指點迷津?萬分感謝~
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