The level of cis-prenyl transferase activity has been implicated in controlling the level of biosynthesis of dolichol and dolichol intermediates. In this study, we isolated a cDNA encoding a human CPT (GenBank Accession No. ), which had substantial homology to other CPT isolated from human brain, bacteria, Arabidopsis, and Saccharomyces cerevisiae. Expression of this cDNA in two different insect cell lines confirmed the functionality of the protein in an in vitro assay. Western blot analysis revealed an expressed protein of approximately 38 kDa in HEK293 cells. Overexpression of the protein in HEK293 cells resulted in an increase in the level of total prenol in vivo. Furthermore, product characterization by thin layer chromatography (TLC) confirmed that the major product was a long-chain prenol with a chain length of 95 carbons. These results suggest a regulatory relationship between CPT activity and dolichol biosynthesis, and may implicate CPT in the levels of dolichol-oligosaccharide intermediate biosynthesis.
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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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