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טיהור של מכלולי Native לחקר מבני בשיטת תג טנדם זיקה
JoVE 杂志
生物学
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JoVE 杂志 生物学
Purification of Native Complexes for Structural Study Using a Tandem Affinity Tag Method
DOI:

10:36 min

July 27, 2016

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Chapters

  • 00:05Title
  • 00:38Harvesting S. cerevisiae Cells
  • 01:44Lyse Cells and Lysate Clarification
  • 04:43Resin Equilibration and Binding and On Column TEV Cleavage
  • 06:47Packing and Eluting from Calmodulin Resin
  • 08:20Results: TAP Purification of U1 snRNP Complex in S. cerevisiae
  • 09:55Conclusion

Summary

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The Tandem Affinity Purification (TAP) method has been used extensively to isolate native complexes from cellular extract, primarily eukaryotic, for proteomics. Here, we present a TAP method protocol optimized for purification of native complexes for structural studies.

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