Human CD33 recombinant protein (ECD) (Fc-His-tagged, C-ter)
Key features and details
- 产品描述:
- 反应物种:
- 应用:
- 靶点名称:
- 物种:
- A.A. 序列:
- 表达系统:
- 別名:
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Brand:
CAT.NO. : ARG70263
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Product Details
概述
| 产品描述 | HEK293 expressed, Fc-His-tagged (C-ter) Human CD33 recombinant protein (ECD). |
|---|---|
| 反应物种 | Hu |
| 应用 | Binding, ELISA, SDS-PAGE |
| 靶点名称 | CD33 (ECD) |
| 物种 | Human |
| A.A. 序列 | Asp18 - His259 of Human CD33 (NP_001763.3) with an Fc-6X His tag at the C-terminus. |
| 表达系统 | HEK293 |
| 別名 | p67; Sialic acid-binding Ig-like lectin 3; SIGLEC-3; CD antigen CD33; gp67; Siglec-3; Myeloid cell surface antigen CD33; SIGLEC3 |
应用说明
| 应用说明 | Binding activity test: Measured by its binding ability in a functional ELISA. Immobilized Human CD33 at 2 µg/ml (100 µl/well) can bind Anti-Human CD33 Antibody with a linear range of 8-20 ng/ml. |
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属性
| 形式 | Powder |
|---|---|
| 纯化说明 | 0.22 µm filter sterilized. Endotoxin level is less than 0.1 EU/µg of the protein, as determined by the LAL test. |
| 纯度 | > 97% (by SDS-PAGE) |
| 缓冲液 | PBS (pH 7.4) |
| 复溶 | Reconstitute to a concentration of 0.1 - 0.5 mg/ml in sterile distilled water. |
| 存放说明 | For long term, lyophilized protein should be stored at -20°C or -80°C. After reconstitution, aliquot and store at -20°C for up to one month, at 2-8°C for up to one week. Storage in frost free freezers is not recommended. Avoid repeated freeze/thaw cycles. Suggest spin the vial prior to opening. |
| 注意事项 | For laboratory research only, not for drug, diagnostic or other use. |
生物信息
| 数据库连接 | |
|---|---|
| 基因名称 | CD33 |
| 全名 | CD33 molecule |
| 生物功能 | Sialic-acid-binding immunoglobulin-like lectin (Siglec) that plays a role in mediating cell-cell interactions and in maintaining immune cells in a resting state (PubMed:10611343, PubMed:15597323, PubMed:11320212). Preferentially recognizes and binds alpha-2,3- and more avidly alpha-2,6-linked sialic acid-bearing glycans (PubMed:7718872). Upon engagement of ligands such as C1q or syalylated glycoproteins, two immunoreceptor tyrosine-based inhibitory motifs (ITIMs) located in CD33 cytoplasmic tail are phosphorylated by Src-like kinases such as LCK (PubMed:28325905, PubMed:10887109). These phosphorylations provide docking sites for the recruitment and activation of protein-tyrosine phosphatases PTPN6/SHP-1 and PTPN11/SHP-2 (PubMed:10556798, PubMed:10206955, PubMed:10887109). In turn, these phosphatases regulate downstream pathways through dephosphorylation of signaling molecules (PubMed:10206955, PubMed:10887109). One of the repressive effect of CD33 on monocyte activation requires phosphoinositide 3-kinase/PI3K (PubMed:15597323). [UniProt] |
| 细胞定位 | Cell membrane; Single-pass type I membrane protein. [UniProt] |
| 预测分子量 | 40 kDa |
| 翻译后修饰 | Phosphorylation of Tyr-340 is involved in binding to PTPN6 and PTPN11. Phosphorylation of Tyr-358 is involved in binding to PTPN6. [UniProt] |
检测图片 (2)
ARG70263 Human CD33 recombinant protein (ECD) (Fc-His-tagged, C-ter) ELISA image
ELISA: The plate was coated with ARG70263 Human CD33 recombinant protein (ECD) (Fc-His-tagged, C-ter) at 2 µg/ml (100 µl/well). Samples were detected with serially diluted anti-CD33 antibody.
ARG70263 Human CD33 recombinant protein (ECD) (Fc-His-tagged, C-ter) SDS-PAGE image
SDS-PAGE analysis of ARG70263 Human CD33 recombinant protein (ECD) (Fc-His-tagged, C-ter).
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