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    產品編號 bs-4817R
    英文名稱 CD4
    中文名稱 CD4抗體
    別    名 CD4 (L3T4); CD4 antigen (p55); CD4 Antigen ; CD4 molecule; CD4 Receptor; CD4+ Lymphocyte deficiency, included; CD4mut; L3T4; Leu3; Ly-4; Lymphocyte antigen CD4; MGC165891; p55; T Cell Antigen T4 ; T cell antigen T4/LEU3; T cell differentiation antigen L3T4; T cell OKT4 deficiency, included; T cell surface antigen T4/Leu 3 ; T cell surface antigen T4/Leu3; T Cell Surface Glycoprotein CD4; W3/25; W3/25 antigen; T-cell surface glycoprotein CD4 isoform 1 precursor; CD4_HUMAN.  
    研究領域 腫瘤  細胞生物  免疫學  干細胞  淋巴細胞  t-淋巴細胞  
    抗體來源 Rabbit
    克隆類型 Polyclonal
    交叉反應 Human, Mouse, Rat, 
    產品應用 WB=1:500-2000 
    not yet tested in other applications.
    optimal dilutions/concentrations should be determined by the end user.
    理論分子量 48kDa
    細胞定位 細胞膜 
    性    狀 Liquid
    濃    度 1mg/ml
    免 疫 原 KLH conjugated synthetic peptide derived from human CD4: 301-400/458 <Extracellular>
    亞    型 IgG
    純化方法 affinity purified by Protein A
    緩 沖 液 0.01M TBS(pH7.4) with 1% BSA, 0.03% Proclin300 and 50% Glycerol.
    保存條件 Shipped at 4℃. Store at -20 °C for one year. Avoid repeated freeze/thaw cycles.
    注意事項 This product as supplied is intended for research use only, not for use in human, therapeutic or diagnostic applications.
    PubMed PubMed
    產品介紹 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.

    SWISS:
    P01730

    Gene ID:
    920

    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



    CD4分子是存在于大多數輔助/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
    Sample:
    Spleen (Rat) Lysate at 40 ug
    Primary: Anti-CD4 (bs-4817R) at 1/300 dilution
    Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
    Predicted band size: 48 kD
    Observed band size: 50 kD
    Sample:
    Spleen (Rat) Lysate at 40 ug
    Spleen (Mouse) Lysate at 40 ug
    Lymph node (Rat) Lysate at 40 ug
    Lymph node (Mouse) Lysate at 40 ug
    Thymus (Rat) Lysate at 40 ug
    Thymus (Mouse) Lysate at 40 ug
    Small intestine (Rat) Lysate at 40 ug
    Small intestine (Mouse) Lysate at 40 ug
    Large intestine (Rat) Lysate at 40 ug
    Large intestine (Mouse) Lysate at 40 ug
    HL60 (Human) Cell Lysate at 30 ug
    Jurkat (Human) Cell Lysate at 30 ug
    Primary: Anti-CD4 (bs-4817R) at 1/1000 dilution
    Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
    Predicted band size: 55 kD
    Observed band size: 52 kD
    Sample:
    Lymphoid (Rat) Lysate at 40 ug
    Primary: Anti-CD4 (bs-4817R) at 1/300 dilution
    Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
    Predicted band size: 48 kD
    Observed band size: 50 kD
    Sample:
    Thymus (Mouse) Lysate at 40 ug
    Primary: Anti-CD4 (bs-4817R) at 1/300 dilution
    Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
    Predicted band size: 48 kD
    Observed band size: 50 kD
    Sample:
    Spleen (Mouse) Lysate at 40 ug
    Primary: Anti-CD4 (bs-4817R) at 1/300 dilution
    Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
    Predicted band size: 48 kD
    Observed band size: 50 kD
    Sample:
    HL60 Cell(human) Lysate at 30 ug
    Primary: Anti-CD4 (bs-4817R) at 1/300 dilution
    Secondary: IRDye800CW Goat Anti-Rabbit IgG at 1/20000 dilution
    Predicted band size: 48 kD
    Observed band size: 50 kD
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