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Chapters
- 00:04Title
- 00:34Harvesting Cells After Blocking Free Cysteine Residues Using Iodoacetamide
- 02:02Extraction of Protein and Sample Preparation
- 03:13In Vivo Formaldehyde Cross-linking of Endogenous Proteins in U-2 OS Cells
- 04:30Fractionation of Nuclei
- 06:11Extraction of Protein and Sample Preparation
- 06:51SDS-PAGE Analysis
- 07:53Results: Analyzing Multimeric Complexes Using a Two-step Method of Non-reducing SDS-PAGE Analysis and Formaldehyde Cross-linking
- 09:04Conclusion
Disulfide linkages have long been known to stabilize the structure of many proteins. A simple method to analyze multimeric complexes stabilized by these linkages is through non-reducing SDS-PAGE analysis. Here, this method is illustrated by analyzing the nuclear isoform of dUTPase from the human bone osteosarcoma cell line U-2 OS.
