- 询价
- Cell Signaling Technology
- 3571
- USA
- 2025年12月10日
- W, IP
- Rabbit
- H
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- 详细信息
- 文献和实验
- 技术资料
- 抗体英文名：
Phospho-CD19 (Tyr531) Antibody
- 抗原：
synthetic phosphopeptide corresponding to residues around Tyr531 of human CD19
- 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
- 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
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 | Endogenous | 95 | Rabbit |
| Protocols |
|
|---|---|
| Specificity / Sensitivity | Phospho-CD19 (Tyr531) Antibody detects endogenous levels of CD19 only when phosphorylated at tyrosine 531. |
| Source / Purification | Polyclonal antibodies are produced by immunizing animals with a synthetic phosphopeptide corresponding to residues around Tyr531 of human CD19. Antibodies are purified by protein A and peptide affinity chromatography. Western Blotting
Western blot analysis of SDS extracts from untreated or anti-human IgM treated (12 µg/ml for 2 minutes) Ramos cells using Phospho-CD19 (Tyr531) Antibody (upper) and control CD19 Antibody #3574 (lower). |
| Background | CD19 is a 95 kDa coreceptor, which amplifies the signaling cascade in B cells (1). On the B cell surface, CD19 associates with CD21, CD81 and Leu-13 to exert its function. The cytoplasmic tail of CD19 has nine conserved tyrosine residues playing critical roles in CD19 mediated function by coupling signaling molecules to the receptor (1). After B cell receptor or CD19 ligation, Tyr531 and Tyr500 of CD19 are progressively phosphorylated. This phosphorylation enables the coupling of PI3 kinase and Src family tyrosine kinase to CD19 and activates the PI3K and Src signaling pathways (2,3). Coligation of B cell receptor and CD19 also promotes Tyr409 phosphorylation in CD19. The phosphorylation at these sites enables its binding to Vav and mediates elevated intracellular calcium response, as well as the JNK pathway (4,5). |
| 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thresholds for antigen receptors and other surface receptors on B cells; also regulates B cell development, activation and differentiation CD19 antibody inhibits B cell activation from anti-immunoglobulin Coreceptor with CD21 Earliest B cell
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
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