The evolutionarily conserved SNARE (SNAP receptor) proteins and their complexes are key players in the docking and fusion of secretory vesicles with their target membrane. Biophysical techniques were used to characterize structural and energetic properties of the cytoplasmic domains of the yeast SNAREs Snc1 and Sso1, of the SNAP-25-like domain of Sec9, and of the Sso1:Sec9 and Sso1:Sec9:Snc1 complexes. Individually, all three SNAREs are monomeric; Sso1 shows significant secondary structure while Snc1 and Sec9 are largely unstructured. Ternary SNARE complex formation (KD <50 nM) is accompanied by a more than two-fold increase in secondary structure. This binding induced structure, the large increase in thermal stability, and the self-association of the ternary complex represent conserved properties of SNAREs that are probably important in vesicle docking and 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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