Ras-GRF1 Antibody #3322
Filter:
- WB
Supporting Data
| REACTIVITY | M |
| SENSITIVITY | Transfected Only |
| MW (kDa) | 155 |
| SOURCE | Rabbit |
Application Key:
- WB-Western Blotting
Species Cross-Reactivity Key:
- M-Mouse
Product Information
Product Usage Information
| Application | Dilution |
|---|---|
| Western Blotting | 1:1000 |
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
Ras-GRF1 Antibody detects transfected levels of Ras-GRF1. This antibody does not cross-react with Ras-GRF2.
Species Reactivity:
Mouse
Source / Purification
Polyclonal antibodies are produced by immunizing animals with a synthetic peptide corresponding to the amino-terminal residues of mouse Ras-GRF1. Antibodies are purified by protein A and peptide affinity chromatography.
Background
Ras activity is regulated by GAP (GTPase activating proteins) and GEFs (guanine nucleotide exchange factors). Ras-GRF1 (also known as CDC25Mm) is neuronal RasGEF and is regulated by heterotrimeric G proteins and calcium influx (1,2). Binding to calmodulin and phosphorylation stimulate Ras-GRF1 activity (1,2). Multiple PKA phosphorylation sites on Ras-GRF have been identified. Phosphorylation on the two major sites, Ser54 and Ser822, inhibits Ras-GRF activity (3). Carbachol (a muscarinic agonist)-induced phosphorylation on Ser916 is essential but not sufficient for maximal Ras-GRF activity (4). It has been reported that Ras-GRF1 also shows GEF activity toward Rac after phosphorylation by the tyrosine kinase Src (5).
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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