研究領域 腫瘤 細胞生物 免疫學 干細胞 轉錄調節(jié)因子 細胞表面分子 t-淋巴細胞
抗體來源 Rabbit
克隆類型 Polyclonal
交叉反應 Human, Mouse, Rat, Pig, MACFA (predicted: Dog, Cow, Sheep, Guinea Pig, )
產品應用 Flow-Cyt=3ug/Test IF=1:50-200
not yet tested in other applications.
optimal dilutions/concentrations should be determined by the end user.
分 子 量 48kDa
細胞定位 細胞膜
性 狀 Lyophilized or Liquid
濃 度 1mg/ml
免 疫 原 KLH conjugated synthetic peptide derived from human CD4
亞 型 IgG
純化方法 affinity purified by Protein A
儲 存 液 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
保存條件 Store at -20 °C for one year. Avoid repeated freeze/thaw cycles. The lyophilized antibody is stable at room temperature for at least one month and for greater than a year when kept at -20°C. When reconstituted in sterile pH 7.4 0.01M PBS or diluent of antibody the antibody is stable for at least two weeks at 2-4 °C.
產品介紹 background:
This gene encodes a membrane glycoprotein of T lymphocytes that interacts with major histocompatibility complex class II antigenes and is also a receptor for the human immunodeficiency virus. This gene is expressed not only in T lymphocytes, but also in B cells, macrophages, and granulocytes. It is also expressed in specific regions of the brain. The protein functions to initiate or augment the early phase of T-cell activation, and may function as an important mediator of indirect neuronal damage in infectious and immune-mediated diseases of the central nervous system. Multiple alternatively spliced transcript variants encoding different isoforms have been identified in this gene. [provided by RefSeq, Aug 2010].
Function:
Accessory protein for MHC class-II antigen/T-cell receptor interaction. May regulate T-cell activation. Induces the aggregation of lipid rafts.
Subunit:
Associates with LCK. Binds to HIV-1 gp120 and to P4HB/PDI and upon HIV-1 binding to the cell membrane, is part of P4HB/PDI-CD4-CXCR4-gp120 complex. Interacts with HIV-1 Envelope polyprotein gp160 and protein Vpu. Interacts with Human Herpes virus 7 capsid proteins. Interacts with PTK2/FAK1; this interaction requires the presence of HIV-1 gp120.
Subcellular Location:
Cell membrane; Single-pass type I membrane protein. Note=Localizes to lipid rafts. Removed from plasma membrane by HIV-1 Nef protein that increases clathrin-dependent endocytosis of this antigen to target it to lysosomal degradation. Cell surface expression is also down-modulated by HIV-1 Envelope polyprotein gp160 that interacts with, and sequesters CD4 in the endoplasmic reticulum.
Post-translational modifications:
Palmitoylation and association with LCK contribute to the enrichment of CD4 in lipid rafts.
Similarity:
Contains 3 Ig-like C2-type (immunoglobulin-like) domains.
Contains 1 Ig-like V-type (immunoglobulin-like) domain.
Database links:
Entrez Gene: 920 Human
Entrez Gene: 12504 Mouse
Omim: 186940 Human
SwissProt: P06332 Mouse
SwissProt: P01730 Human
Unigene: 631659 Human
Unigene: 2209 Mouse
Important Note:
This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
此抗體可識別55KDⅠ型單鏈穿膜糖蛋白。 CD4分子是存在于大多數(shù)輔助/誘導T細胞表面的59kDa的糖蛋白。正常淋巴組織中CD4的表達數(shù)量多于CD8，此抗體主要用于標記輔助/誘導T細胞，與CD8單抗聯(lián)合使用對外周血淋巴細胞分型。 CD4抗原是HLA-II類分子和人類免疫缺陷病毒(HIV)-愛滋病的受體，在35-50%外周血淋巴細胞-輔助和誘導T細胞(Th/Ti)和70-80%人胸腺細胞上表達，在人的單核細胞表面也有低密度的表達。 CD4抗原有膜結合型和可溶性兩種形式。Th/Ti可輔助Ig產生和T細胞毒T細胞的作用。
| 產品圖片 |  Blank control: Mouse splen. Primary Antibody (green line): Rabbit Anti-CD4 antibody (bs-0647R-FITC) Dilution: 3μg /10^6 cells; Isotype Control Antibody (orange line): Rabbit IgG . Dilution: 3μg /test. Protocol The cells incubated in 5%BSA to block non-specific protein-protein interactions for 30 min at room temperature .Cells stained with Primary Antibody for 30 min at room temperature. Acquisition of 20,000 events was performed. |
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