A yeast two-hybrid screening by using PAP1 was performed to identify targets for PAP1-PHO85 cyclin-CDK complex. N-terminal fragment of protein YLR190w, a yeast gene encoding a 491 amino acids peptide, was identified, and its coding region was amplified by PCR. The interaction of PAP1 and YLR190w was confirmed by both two-hybrid assay and GST pull-down assay in vitro. The PAP1-PHO85 kinase complex obtained from the immunoprecipitates could phosphorylate GST-YLR190w expressed in E.coli, and the phosphorylation of YLR190w was affected by the phosphate concentration, and the phosphorylation sites of YLR190w were Ser/Thr-Promotif, as revealed by protein mutation assay. In another library screen, YAF9, a yeast homolog of human AF9, was isolated using the two-hybrid system with YLR190w as the bait. It was revealed that interaction of YLR190w and YAF9 was affected by phosphate concentration. When all Ser/Thr in Ser/Thr-Pro motif were mutated to Ala, the interaction of YLR190w (mutant) and YAF9 was weakened, and the effect of phosphate concentration was impaired. Ylr190w was not involved in the PHO system by the acid phosphatase activity assay. Deletion of Ylr190w was constructed by homologous recombination and the doubling time of Ylr190w mutant strain as longer than that of wild type.
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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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