Glycopeptides are transported from the lumen of the yeast endoplasmic reticulum (ER) to the cytosol and in contrast to secretory proteins do not enter ER-to-Golgi transport vesicles. In a cell-free system, this process is ATP- and cytosol-dependent. While yeast cytosol promotes the export of glycopeptides from mammalian ER in vitro, glycopeptide release cannot be detected in the presence of mammalian cytosol. We demonstrate that this is due to an N-glycanase activity in mammalian cytosol rather than lack of glycopeptide transport activity in mammalian microsomes. Monitoring the amount of glycopeptide enclosed in ER membranes we show the cytosol- and ATP-dependent release of glycopeptide from mammalian microsomes. The fact that glycopeptide export can be achieved with ER and cytosol derived from heterologous sources indicates that glycopeptide export from the ER is an important process conserved during evolution.
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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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