全部产品分类
品牌 |
Leading Biology | 货号 |
LM20332 |
产品分类 |
单克隆抗体 | 研究领域 |
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产品概述 |
Maintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
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形式 |
Low affinity IgG Fc receptor gamma II (Fc-gamma II), also known as CD32, is a member of the immunoreceptor tyrosine-based activating/inhibitory motif (ITAM/ITIM) family. Fc gamma receptors play a critical role in immunity by linking the IgG antibody mediated response with the regulatory functions of the immune system (1). Three classes of Fc gamma receptor exist; Fc gamma RI (CD64, a high affinity receptor), Fc gamma RII, and RIII (CD32 and CD16 respectively, both low affinity receptors). Fc gamma RIIa is an activating receptor, while RIIb1, RIIb2, and RIIb3 are inhibitory receptors generated by alternative splicing (1-2). Fc gamma RIIa is critical for antigen-presenting-cell activation and Fc gamma RIIb downregulates B-cell functions (3). Coligation of FcgammaRIIb with the B-cell antigen receptor (BCR) results in the abrogation of B-cell activation and become phosphorlyated by protein tyrosine kinase (PTK) (4)
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浓度 |
A phospho specific peptide corresponding to residues surrounding tyrosine 292 of human Fc gamma RIIb. This antibody detects Fc gamma RIIb phosphorylated on tyrosine 292. |
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纯度 |
Rabbit |
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试剂准备 |
50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
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复溶 |
1. Ravetch J, et al. Annu Rev Immunol. 19: 275-90, 2001<br>2. Tsubata T. (1999). Curr Opin Immunol 11, 249<br>3. Malbec O.et al. Curr Microbiol Immunol 244, 13<br>4. Bewarder N, et al. Mol Cell Biol 16(9):4735-43, 1996<br>
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储存条件 |
Human
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储存溶液 |
Low affinity immunoglobulin gamma Fc region receptor II-b, IgG Fc receptor II-b, CDw32, Fc-gamma RII-b, Fc-gamma-RIIb, FcRII-b, CD32, FCGR2B, CD32, FCG2, IGFR2
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应用 |
WB~~1:50000~100000
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产品描述 |
Function
Receptor for the Fc region of complexed or aggregated immunoglobulins gamma. Low affinity receptor. Involved in a variety of effector and regulatory functions such as phagocytosis of immune complexes and modulation of antibody production by B- cells. Binding to this receptor results in down-modulation of previous state of cell activation triggered via antigen receptors on B-cells (BCR), T-cells (TCR) or via another Fc receptor. Isoform IIB1 fails to mediate endocytosis or phagocytosis. Isoform IIB2 does not trigger phagocytosis.
Cellular_Location
Cell membrane; Single-pass type I membrane protein
Tissue_Location
Is the most broadly distributed Fc-gamma- receptor. Expressed in monocyte, neutrophils, macrophages, basophils, eosinophils, Langerhans cells, B-cells, platelets cells and placenta (endothelial cells). Not detected in natural killer cells
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数量 |
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