Membrane fusion mediated by SNARE (soluble N-ethylmaleimide-sensitive factor attachment protein receptor)-family proteins is an essential process for intracellular membrane trafficking in all eukaryotic cells, which delivers proteins and lipids to their appropriate subcellular membrane compartments such as organelles and plasma membrane. The molecular basis of SNARE-mediated membrane fusion has been revealed by studying fusion of reconstituted proteoliposomes bearing purified SNARE-family proteins and chemically defined lipid species. This chapter describes the detailed experimental protocols for (1) purification of recombinant SNARE-family and SM (Sec1/Munc18-family) proteins in the yeast Saccharomyces cerevisiae; (2) preparation of reconstituted proteoliposomes bearing purified yeast SNARE proteins; and (3) developing an assay to monitor lipid mixing between reconstituted SNARE-bearing proteoliposomes. Lipid mixing assays for reconstituted SNARE-bearing proteoliposomes are useful for evaluating the intrinsic capacity of SNARE-family proteins to directly catalyze membrane fusion and to determine the specificity of membrane fusion.
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| Evidence ID | Analyze ID | Gene/Complex | Systematic Name/Complex Accession | Qualifier | Gene Ontology Term ID | Gene Ontology Term | Aspect | Annotation Extension | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Phenotype | Experiment Type | Experiment Type Category | Mutant Information | Strain Background | Chemical | Details | Reference |
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| Evidence ID | Analyze ID | Gene | Gene Systematic Name | Disease Ontology Term | Disease Ontology Term ID | Qualifier | Evidence | Method | Source | Assigned On | Reference |
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| Evidence ID | Analyze ID | Regulator | Regulator Systematic Name | Target | Target Systematic Name | Direction | Regulation of | Happens During | Regulator Type | Direction | Regulation Of | Happens During | Method | Evidence | Strain Background | Reference |
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| Site | Modification | Modifier | Source | Reference |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Allele | Assay | Annotation | Action | Phenotype | SGA score | P-value | Source | Reference | Note |
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| Evidence ID | Analyze ID | Interactor | Interactor Systematic Name | Interactor | Interactor Systematic Name | Assay | Annotation | Action | Modification | Source | Reference | Note |
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| Complement ID | Locus ID | Gene | Species | Gene ID | Strain background | Direction | Details | Source | Reference |
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| Evidence ID | Analyze ID | Dataset | Description | Keywords | Number of Conditions | Reference |
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