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Questions related from Zixun Han
I have two protein X and Y, X protein isoelectric point is ~5.5, Y is ~9.5. western blot result indicated that they can directly bind each other. I want to purify large amount of this XY complex...
10 October 2016 7,428 8 View
i aim to purify the soluble human PCID2 protein (1-399aa) for crystallization. I have constructed several different plasmid, like GST-tagged pGEX-PCID2 full length, His-tagged pET28a-PCID2 full...
06 June 2016 7,839 12 View
our degas machine was broken today, and it will be repaired at next month. but recently i will use FPLC to purify protein, so how can i degas the buffer, milli-Q, and 20% EtOH?
06 June 2016 2,673 5 View
recently i learn some knowledge about co-expression. the EMBL website said, in the case of co-expression from different vectors, To ensure plasmid stability, the vectors should have:(1)different...
06 June 2016 9,536 4 View
I have a problem for several months. I desperately need your help. I have two tagged proteins GST-A and His-B, both of them are RNA binding protein, pI of GST-A is 6, pI of His-B is 9. Previous...
09 September 2015 8,032 5 View