GAL4 BASIC INFORMATION
| Standard Name | GAL4 1, 2 |
|---|---|
| Systematic Name | YPL248C |
| Alias | GAL81 3 |
| Feature Type | ORF, Verified |
| Description | DNA-binding transcription factor required for the activation of the GAL genes in response to galactose; repressed by Gal80p and activated by Gal3p (4 and see Summary Paragraph)
|
| Name Description | GALactose metabolism |
| GO Annotations | All GAL4 GO evidence and references |
|---|---|
| View Computational GO annotations for GAL4 | |
| Molecular Function | |
| Manually curated | |
| High-throughput | |
| Biological Process | |
| Manually curated | |
| Cellular Component | |
| Manually curated |
| Regulatory Role | |
|---|---|
| Binding motifs | Predicted GAL4 Binding Site Locations |
| |
| Regulatory modules | predicted: stressResponse (457) |
| Mutant Phenotype | All GAL4 Phenotype details and references |
|---|---|
| Classical genetics | |
| conditional | |
| null | |
| reduction of function | |
| unspecified | |
| Large-scale survey | |
| null |
|
| Interactions | GAL4 All interactions details and references |
|---|---|
| View additional details at BioGRID | |
| 171 total interaction(s) for 78 unique genes/features. | |
| Physical Interactions |
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| Genetic Interactions |
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| Post-translational Modifications | PhosphoGRID | PhosphoPep Database |
|---|
| External Links | All Associated Seq | Entrez Gene | Entrez RefSeq Protein | MIPS | UniProtKB |
|---|
| Primary SGDID | S000006169 |
|---|
ADDITIONAL INFORMATION for GAL4
SUMMARY PARAGRAPH for GAL4
GAL4 encodes one of the best studied transcription factors in the explored universe (5, 6, 7). In the presence of galactose, Gal4p activates transcription of the GAL structural genes, which encode galactose metabolic proteins. Gal4p binds to a specific sequence, the UASG, in the promoters of GAL structural genes. The transcriptional regulation of yeast GAL genes has been thoroughly reviewed in reference 7.
Among the promoters regulated by Gal4p is the one shared by the divergently transcribed genes GAL1 (encoding galactokinase) and GAL10 (an epimerase) (8, 7). The GAL1-GAL10 promoter has been widely used to conditionally overexpress genes in yeast (for example, see reference 9).
The DNA binding domain of Gal4p can be physically separated from its transcription activation domain (7). Many versions of the yeast two-hybrid, or interaction trap, method, use the Gal4p DNA binding and transcription activation domains (reviewed in reference 10).
REFERENCES CITED ON THIS PAGE [View Complete Literature Guide for GAL4]
| 1) | Haber, J. (1985) Personal Communication, Mortimer Map Edition 9 |
| 2) | Link, A. and Olson, M. (1989) Personal Communication, Mortimer Map Edition 10 |
| 3) | Hopper JE and Rowe LB (1978) Molecular expression and regulation of the galactose pathway genes in Saccharomyces cerevisiae. Distinct messenger RNAs specified by the Gali and Gal7 genes in the Gal7-Gal10-Gal1 cluster. J Biol Chem 253(20):7566-9 |
| 4) | Bhat PJ and Murthy TV (2001) Transcriptional control of the GAL/MEL regulon of yeast Saccharomyces cerevisiae: mechanism of galactose-mediated signal transduction. Mol Microbiol 40(5):1059-66 |
| 5) | Hashimoto H, et al. (1983) Regulation of expression of the galactose gene cluster in Saccharomyces cerevisiae. Isolation and characterization of the regulatory gene GAL4. Mol Gen Genet 191(1):31-8 |
| 6) | Keegan L, et al. (1986) Separation of DNA binding from the transcription-activating function of a eukaryotic regulatory protein. Science 231(4739):699-704 |
| 7) | Lohr D, et al. (1995) Transcriptional regulation in the yeast GAL gene family: a complex genetic network. FASEB J 9(9):777-87 |
| 8) | Fedor MJ and Kornberg RD (1989) Upstream activation sequence-dependent alteration of chromatin structure and transcription activation of the yeast GAL1-GAL10 genes. Mol Cell Biol 9(4):1721-32 |
| 9) | Schneider JC and Guarente L (1991) Vectors for expression of cloned genes in yeast: regulation, overproduction, and underproduction. Methods Enzymol 194:373-88 |
| 10) | Brent R and Finley RL Jr (1997) Understanding gene and allele function with two-hybrid methods. Annu Rev Genet 31:663-704 |
| 11) | Harbison CT, et al. (2004) Transcriptional regulatory code of a eukaryotic genome. Nature 431(7004):99-104 |
| 12) | Zhu J and Zhang MQ (1999) SCPD: a promoter database of the yeast Saccharomyces cerevisiae. Bioinformatics 15(7-8):607-11 |
| 13) | Zhu C, et al. (2009) High-resolution DNA-binding specificity analysis of yeast transcription factors. Genome Res 19(4):556-66 |






