CD19抗體
規(guī)格：1mg/1ml
英文名： CD19
別名： Antibody deficiency due to defect in CD19, included; AW495831; B lymphocyte antigen CD19; B lymphocyte surface antigen B4; B4; CD 19; CD19 antigen; CD19 molecule; Cd19 protein; Differentiation Antigen
分子量： 59kDa
儲存液：0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glyce
克隆類型：Polyclonal
亞型：IgG
純化方法：affinity purified by Protein A
**原：KLH conjugated synthetic peptide derived from human CD19 (48
交叉反應：Human, Mouse, Rat, Pig, Cow, Horse, Guinea Pig,
CD19抗體細胞定位：細胞膜
產品介紹：background: CD19 is a transmembrane glycoprotein that is delectively expressed on the cell surface of B-lymphocytes,where it activates intracellular signaling cascades involving both Ras and phosphatidylinositol 3-kinase pathways.Lymphocytes proliferate and differentiate in response to various concentrations of different antigens. The ability of the B cell to respond in a specific, yet sensitive manner to the various antigens is achieved with the use of low-affinity antigen receptors. This gene encodes a cell surface molecule which assembles with the antigen receptor of B lymphocytes in order to decrease the threshold for antigen receptor-dependent stimulation. Function: Assembles with the antigen receptor of B-lymphocytes in order to decrease the threshold for antigen receptor-dependent stimulation. Subunit: Forms a complex with CD21, CD81 and CD225 in the membrane of mature B-cells. Interacts with VAV. Interacts with GRB2 and SOS when phosphorylated on Tyr-348 and/or Tyr-378. Interacts with PLCG2 when phosphorylated on Tyr-409. Interacts with LYN. Subcellular Location: Membrane; Single-pass type I membrane protein. Post-translational modifications: Phosphorylated on serine and threonine upon DNA damage, probably by ATM or ATR. Phosphorylated on tyrosine following B-cell activation. CD19抗體Phosphorylated on tyrosine residues by LYN. DISEASE: Defects in CD19 are the cause of immunodeficiency common variable type 3 (CVID3) [MIM:613493]; also called antibody deficiency due to CD19 defect. CVID3 is a primary immunodeficiency characterized by antibody deficiency, hypogammaglobulinemia, recurrent bacterial infections and an inability to mount an antibody response to antigen. The defect results from a failure of B-cell differentiation and impaired secretion of immunoglobulins; the numbers of circulating B-cells is usually in the normal range, but can be low. Similarity: Contains 2 Ig-like C2-type (immunoglobulin-like) domains. Gene ID: 930 Database links: Entrez Gene: 930 Human Entrez Gene: 12478 Mouse Entrez Gene: CD19抗體365367 Rat Omim: 107265 Human SwissProt: P15391 Human SwissProt: P25918 Mouse Unigene: 652262 Human Unigene: 4360 Mouse Important Note: This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications. CD19是一種質膜蛋白質，參與信號傳導作用。表達與前B細胞和成熟的B細胞膜表面，與B細胞的活化調節(jié)和發(fā)育調節(jié)相關，在T細胞和正常粒細胞上無表達。此抗體可以特異性識別CD19，主要用于標記正常B細胞及腫瘤性B細胞。
CD19抗體產品應用：WB=1:100-500 ELISA=1:500-1000 IHC-P=1:100-500 IHC-F=1:100-500 Flow-Cyt=1:20-200 IF=1:100-500 （石蠟切片需做抗原修復） not yet tested in other applications. optimal dilutions/concentrations should be determined by the end user.
研究領域：細胞生物 **學 干細胞 細胞表面分子 **細胞 b-**細胞
儲存條件： Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
來源： Rabbit
外觀： Lyophilized or Liquid
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