gamma-Glutamylcysteine synthetase (GCS) catalyses a critical, rate-limiting step in glutathione synthesis. In this study we describe the isolation and characterisation of a GCS cDNA (pDmGCS4.3. 3) from Drosophila melanogaster by functional complementation of a Saccharomyces cerevisiae gsh1 mutant. Expression of pDmGCS4.3.3 in the yeast mutant partially restored glutathione levels and conferred resistance to methylglyoxal. The pDmGCS4.3.3 cDNA was found to be approx. 4.6 kb in length, containing a 2 kb fragment encoding an open reading frame with a high degree of deduced amino acid sequence identity with previously reported GCS sequences. In situ hybridisation revealed that the Drosophila GCS gene maps to 7D6-9 on the X chromosome.
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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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