SP1 Antibody #5931
Filter:
- WB
- IP
Supporting Data
| REACTIVITY | H Mk |
| SENSITIVITY | Endogenous |
| MW (kDa) | 90 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
- IP-Immunoprecipitation
Species Cross-Reactivity Key:
- H-Human
- Mk-Monkey
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
| Immunoprecipitation | 1:200 |
Storage
Supplied in 10 mM sodium HEPES (pH 7.5), 150 mM NaCl, 100 µg/ml BSA and 50% glycerol. Store at –20°C. Do not aliquot the antibody.
Protocol
Specificity / Sensitivity
SP1 Antibody detects endogenous levels of total SP1 protein.
Species Reactivity:
Human, Monkey
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to residues surrounding Pro593 of human SP1 protein. Antibodies are purified by protein A and peptide affinity chromatography.
Background
Specificity protein 1 (SP1) is a ubiquitously expressed transcription factor belonging to the family of C2H2-type zinc finger containing DNA-binding proteins. SP1 binds GC-rich motifs with high affinity and regulates the expression of numerous mammalian genes (1,2). It interacts with many other transcription factors, such as c-Myc, EGR1, and Stat1, and with basal transcription machinery components. SP1 interacts with chromatin-modifying factors, such as histone deacetylases (HDACs) and p300 in chromatin remodeling. Transcriptional activity and stability of SP1 are regulated by post-translational modification, including phosphorylation, acetylation, ubiquitination, and glycosylation (3). Glycosylation of SP1 following insulin treatment leads to increased nuclear localization, while glucagon treatment increases cytoplasmic SP1 levels (4-6). Investigators have found high levels of SP1 in patients with Alzheimer's disease (7).
- Kadonaga, J.T. et al. (1987) Cell 51, 1079-90.
- Song, J. et al. (2003) Int J Mol Med 11, 547-53.
- Tan, N.Y. and Khachigian, L.M. (2009) Mol Cell Biol 29, 2483-8.
- Majumdar, G. et al. (2003) Am J Physiol Endocrinol Metab 285, E584-91.
- Majumdar, G. et al. (2006) J Biol Chem 281, 3642-50.
- Solomon, S.S. et al. (2008) Life Sci 83, 305-12.
- Citron, B.A. et al. (2008) J Neurosci Res 86, 2499-504.
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For Research Use Only. Not For Use In Diagnostic Procedures.
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