The expression of the Flo11 flocculin in Saccharomyces cerevisiae offers the cell a wide range of phenotypes, depending on the strain and the environmental conditions. The most important are pseudohyphae development, invasive growth and flocculation. The mechanism of cellular adhesion mediated by Flo11p is not well understood. Therefore, the N-terminal domain of Flo11p was purified and studied. Although its amino acid sequence shows less similarity with the other flocculins, Flo11p belongs to the flocculin family. However, the N-terminal domain contains the 'Flo11-domain' (PF10181), but not the mannose-binding PA14 domain, which is present in the other flocculins (Flo1p, Flo5p, Flo9p and Flo10p). Structural and binding properties of the N-terminal domain of Flo11p were studied. It is shown that this domain is O-glycosylated and is structurally composed mainly of β-sheets, which is typical for the members of the flocculin family. Furthermore, fluorescence spectroscopy binding studies revealed that N-Flo11p does not bind mannose, which is in contrast to the other Flo proteins. However, surface plasmon resonance analysis showed that N-Flo11p self-interacts and explains the cell-cell interaction capacity of FLO11-expressing cells.
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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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