GATE-16, GABARAP, and LC3 are three mammalian counterparts of yeast Apg8p/Aut7p. Here, we show that GATE-16 and GABARAP are authentic modifiers, as is the case of LC3 modification. The C-terminal Phe(117) of proGATE-16 and the C-terminal Leu(117) of proGABARAP are post-translationally cleaved to expose an essential Gly(116) within GATE-16 and GABARAP, with the products designated GATE-16-I and GABARAP-I, respectively. The Gly(116) within GATE-16 and GABARAP are essential for further formation of the intermediates between them and Apg7p(C572S) and Apg3p(C264S). When Apg7p and Apg3p are expressed, GATE-16-I and GABARAP-I are modified to a secondary ubiquitin-like modified form, GATE-16-II and GABARAP-II, respectively. GATE-16-I and GABARAP-I, but not LC3-I, localize to membrane compartments before their modification. These results indicate that GATE-16 and GABARAP are authentic modifiers, but that they have different biochemical characteristics from those of LC3.
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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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