- 询价
- Cell Signaling Technology
- 2381
- USA
- 2025年11月23日
- W, IP
- Rabbit
- H,M,R
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Phospho-IRS-1 (Ser307) Antibody
- 抗原：
synthetic phosphopeptide corresponding to residues surrounding Ser307 of mouse IRS-1 (equivalent to Ser312 of human IRS-1)
- 应用范围：
W, IP
- 宿主：
Rabbit
- 保质期：
详见说明书
- 库存：
大量
- 适应物种：
H,M,R
- 供应商：
CST
- 级别：
详见MSDS文件
- 是否单克隆：
2
- 保存条件：
-20°c
- 规格：
40 ul (4 western blots)/100 ul (10 western blots)/carrier free & custom formulation / quantity
| 规格： | 产品价格： | ￥请询价 | |
|---|---|---|---|
| 规格： | 40 ul (4 western blots) | 产品价格： | ￥请询价 |
| 规格： | 100 ul (10 western blots) | 产品价格： | ￥请询价 |
| 规格： | carrier free & custom formulation / quantity | 产品价格： | ￥请询价 |
pathway more info application references datasheet PDF MSDS PDF protocols
Applications Key: W=Western Blotting IP=Immunoprecipitation
Reactivity Key: H=Human M=Mouse R=Rat
Species cross-reactivity is determined by western blot. Species enclosed in parentheses are predicted to react based on 100% sequence homology.
| Applications | Reactivity | Sensitivity | MW (kDa) | Source |
|---|---|---|---|---|
| W IP | H M R | Endogenous | 180 | Rabbit |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Phospho-IRS-1 (Ser307) Antibody detects endogenous IRS-1 only when phosphorylated at serine 307. This antibody does not cross-react with other related phospho-proteins. |
| Source / Purification | Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues surrounding Ser307 of mouse IRS-1 (equivalent to Ser312 of human IRS-1). Antibodies are purified by protein A and peptide affinity chromatography. Western Blotting
Western blot analysis of MCF-7 cell extracts, unstimulated and insulin-stimulated (100 nM for 5 min), using IRS-1 Antibody #2382 (left) and Phospho-IRS-1 (Ser307) Antibody (right). Western Blotting
Western blot analysis of extracts from CHO IR/IRS-1 cells (transfected with insulin receptor and IRS-1), untreated or insulin-treated (100 nM for 5 min), showing an increase in phospho-IRS-1 (Ser307) with insulin stimulation, using Phospho-IRS-1 (Ser307) Antibody. IP
Immunoprecipitation of IRS-1 from differentiated C2C12 cell extracts, untreated or insulin-treated for the indicated times, using IRS-1 Antibody #2382, followed by Western blot with either Phospho-IRS-1 (Ser307) Antibody, or IRS-1 Antibody #2382. |
| Background | Insulin receptor substrate 1 (IRS-1) is one of the major substrates of the insulin receptor kinase (1). IRS-1 contains multiple tyrosine phosphorylation motifs that serve as docking sites for SH2-domain containing proteins that mediate the metabolic and growth-promoting functions of insulin (2-4). IRS-1 also contains over 30 potential serine/threonine phosphorylation sites. Ser307 of IRS-1 is phosphorylated by JNK (5) and IKK (6) while Ser789 is phosphorylated by SIK-2, a member of the AMPK family (7). The PKC and mTOR pathways mediate phosphorylation of IRS-1 at Ser612 and Ser636/639, respectively (8,9). Phosphorylation of IRS-1 at Ser1101 is mediated by PKCθ and results in an inhibition of insulin signaling in the cell, suggesting a potential mechanism for insulin resistance in some models of obesity (10).
|
| Application References |
Have you published research involving the use of our products? If so we'd love to hear about it. Please let us know ! |
| Companion Products |
For Research Use Only. Not For Use In Diagnostic Procedures. |
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文献和实验Using Phospho‐Motif Antibodies to Determine Kinase Substrates
comprising both the phosphorylated residue and the surrounding residues that determine kinase specificity, with degenerate residues taking up the remaining positions. Currently, several categories of phospho?motif antibody are commercially available
Optimized Protocol to Make Phospho-Specific Antibodies that Work
, not simply its level of expression. In this review, we will discuss both the design of the phosphopeptide immunogen and immunization. The affinity purification of the phospho-specific antibody as well as the methods most suitable for characterizing
Absorption Control in Immunohistochemistry Using Phospho-Peptides Immobilized on Magnetic Beads
neutralization of phospho-specific antibodies with phospho-peptides immobilized on magnetic beads. This technique allows for sequestration of antibody–peptide complex from the incubation solution, minimizing the risk of formation of unblocked antibodies capable
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