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Immunology Adaptive Immunity T Cells CD

Anti-Lck (phospho Y504)抗体(ab4901)

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Western blot - Anti-Lck (phospho Y504) antibody (ab4901)

    Key features and details

    • Rabbit polyclonal to Lck (phospho Y504)
    • Suitable for: WB
    • Reacts with: Human
    • Isotype: IgG

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    概述

    • 产品名称

      Anti-Lck (phospho Y504)抗体
      参阅全部 Lck 一抗
    • 描述

      兔多克隆抗体to Lck (phospho Y504)
    • 宿主

      Rabbit
    • 特异性

      Hck [pY522] (75% homology), and Lyn [pY508] (83.3% homology) have not been tested.
    • 经测试应用

      适用于: WBmore details
    • 种属反应性

      与反应: Human
      预测可用于: Mouse, Chicken
    • 免疫原

      Synthetic peptide corresponding to Human Lck (phospho Y504). The sequence is conserved in human and mouse. Amino acid number is based on the mature sequence without the initiator methionine.
      Database link: P06239
      (Peptide available as ab5217)

    • 阳性对照

      • Full length untagged recombinant human Lck protein.
    • 常规说明


      Lck (p56lck), a member of the Src family of non-receptor tyrosine protein kinases, is expressed predominantly in T cells. Lck function is critical both for T cell development in the thymus and activation of mature T cells in the periphery by antigen. The activity of Lck is regulated by phosphorylation of two conserved tyrosine residues, Tyr-505 (equivalent to Tyr-529 in c-Src) and Tyr-394 (equivalent to Tyr-418 in c-Src). Tyr-505 is located near the carboxyl terminus of Lck and, when phosphorylated, associates intramolecularly with the SH2 domain in the amino-terminal half of the protein. This helps stabilise Lck in a conformation that, biologically, is relatively inactive. In the absence of phosphorylation at Tyr-505, intramolecular binding of the carboxyl terminus to the SH2 domain does not occur, and Lck exhibits increased activity in vivo.

      Reproducibility is key to advancing scientific discovery and accelerating scientists’ next breakthrough.

      Abcam is leading the way with our range of recombinant antibodies, knockout-validated antibodies and knockout cell lines, all of which support improved reproducibility.

      We are also planning to innovate the way in which we present recommended applications and species on our product datasheets, so that only applications & species that have been tested in our own labs, our suppliers or by selected trusted collaborators are covered by our Abpromise™ guarantee.

      In preparation for this, we have started to update the applications & species that this product is Abpromise guaranteed for.

      We are also updating the applications & species that this product has been “predicted to work with,” however this information is not covered by our Abpromise guarantee.

      Applications & species from publications and Abreviews that have not been tested in our own labs or in those of our suppliers are not covered by the Abpromise guarantee.

      Please check that this product meets your needs before purchasing. If you have any questions, special requirements or concerns, please send us an inquiry and/or contact our Support team ahead of purchase. Recommended alternatives for this product can be found below, as well as customer reviews and Q&As.

    性能

    • 形式

      Liquid
    • 存放说明

      Shipped at 4°C. Upon delivery aliquot and store at -20°C or -80°C. Avoid repeated freeze / thaw cycles.
    • 存储溶液

      pH: 7.3
      Preservative: 0.05% Sodium azide
      Constituents: PBS, 0.1% BSA

      BSA is IgG and protease free
    • Concentration information loading...
    • 纯度

      Immunogen affinity purified
    • 纯化说明

      Purified from rabbit serum by sequential epitope-specific chromatography. The antibody has been negatively preadsorbed using (i) a non-phosphopeptide corresponding to the site of phosphorylation to remove antibody that is reactive with non-phosphorylated Lck, and (ii) a generic tyrosine phosphorylated peptide to remove antibody that is reactive with phospho-tyrosine (irrespective of the sequence). The final product is generated by affinity chromatography using a Lck-derived peptide that is phosphorylated at tyrosine 505.
    • Primary antibody说明

      Lck (p56lck), a member of the Src family of non-receptor tyrosine protein kinases, is expressed predominantly in T cells. Lck function is critical both for T cell development in the thymus and activation of mature T cells in the periphery by antigen. The activity of Lck is regulated by phosphorylation of two conserved tyrosine residues, Tyr-505 (equivalent to Tyr-529 in c-Src) and Tyr-394 (equivalent to Tyr-418 in c-Src). Tyr-505 is located near the carboxyl terminus of Lck and, when phosphorylated, associates intramolecularly with the SH2 domain in the amino-terminal half of the protein. This helps stabilise Lck in a conformation that, biologically, is relatively inactive. In the absence of phosphorylation at Tyr-505, intramolecular binding of the carboxyl terminus to the SH2 domain does not occur, and Lck exhibits increased activity in vivo.
    • 克隆

      多克隆
    • 同种型

      IgG
    • 研究领域

      • Immunology
      • Adaptive Immunity
      • T Cells
      • CD
      • Immunology
      • Immunoglobulins
      • Receptors
      • Signal Transduction
      • Protein Phosphorylation
      • Tyrosine Kinases
      • Src Family
      • Immunology
      • Secreted Molecules
      • Other secreted molecules

    相关产品

    • Compatible Secondaries

      • Goat Anti-Rabbit IgG H&L (Alexa Fluor® 488) (ab150077)
      • Goat Anti-Rabbit IgG H&L (HRP) (ab205718)
    • Isotype control

      • Rabbit IgG, polyclonal - Isotype Control (ChIP Grade) (ab171870)
    • Recombinant Protein

      • Recombinant human Lck protein (ab79626)

    应用

    Our Abpromise guarantee covers the use of ab4901 in the following tested applications.

    The application notes include recommended starting dilutions; optimal dilutions/concentrations should be determined by the end user.

    应用 Ab评论 说明
    WB Use a concentration of 0.1 - 1 µg/ml. Predicted molecular weight: 60 kDa.

    靶标

    • 功能

      Tyrosine kinase that plays an essential role for the selection and maturation of developing T-cell in the thymus and in mature T-cell function. Is constitutively associated with the cytoplasmic portions of the CD4 and CD8 surface receptors and plays a key role in T-cell antigen receptor(TCR)-linked signal transduction pathways. Association of the TCR with a peptide antigen-bound MHC complex facilitates the interaction of CD4 and CD8 with MHC class II and class I molecules, respectively, and thereby recruits the associated LCK to the vicinity of the TCR/CD3 complex. LCK then phosphorylates tyrosines residues within the immunoreceptor tyrosines-based activation motifs (ITAMs) in the cytoplasmic tails of the TCRgamma chains and CD3 subunits, initiating the TCR/CD3 signaling pathway. In addition, contributes to signaling by other receptor molecules. Associates directly with the cytoplasmic tail of CD2, and upon engagement of the CD2 molecule, LCK undergoes hyperphosphorylation and activation. Also plays a role in the IL2 receptor-linked signaling pathway that controls T-cell proliferative response. Binding of IL2 to its receptor results in increased activity of LCK. Is expressed at all stages of thymocyte development and is required for the regulation of maturation events that are governed by both pre-TCR and mature alpha beta TCR. Phosphorylates RUNX3.
    • 组织特异性

      Expressed specifically in lymphoid cells.
    • 疾病相关

      Note=A chromosomal aberration involving LCK is found in leukemias. Translocation t(1;7)(p34;q34) with TCRB.
    • 序列相似性

      Belongs to the protein kinase superfamily. Tyr protein kinase family. SRC subfamily.
      Contains 1 protein kinase domain.
      Contains 1 SH2 domain.
      Contains 1 SH3 domain.
    • 结构域

      The SH2 domain mediates interaction with SQSTM1. Interaction is regulated by Ser-59 phosphorylation.
    • 翻译后修饰

      Phosphorylated on Tyr-394, which increases enzymatic activity (By similarity). Phosphorylated on Tyr-505, which decreases activity.
    • 细胞定位

      Cytoplasm. Cell membrane. Present in lipid rafts in an unactive form.
    • Target information above from: UniProt accession P06239 The UniProt Consortium
      The Universal Protein Resource (UniProt) in 2010
      Nucleic Acids Res. 38:D142-D148 (2010) .

      Information by UniProt
    • 数据库链接

      • Entrez Gene: 396460 Chicken
      • Entrez Gene: 3932 Human
      • Entrez Gene: 16818 Mouse
      • Omim: 153390 Human
      • SwissProt: P42683 Chicken
      • SwissProt: P06239 Human
      • SwissProt: P06240 Mouse
      • Unigene: 470627 Human
      • 形式

        This protein is known to be similar in amino acid sequence to HCK (P08631), FYN (P06241), YES1 (P07947), SRC (P12931), and LYN (P07948). Therefore, cross-reactivity with these homologous proteins may be observed. We would be happy to provide immunogen alignment information upon request.
      • 别名

        • IMD22 antibody
        • LCK antibody
        • Lck p56 antibody
        • LCK proto-oncogene, Src family tyrosine kinase antibody
        • LCK_HUMAN antibody
        • Leukocyte C-terminal Src kinase antibody
        • LSK antibody
        • Lymphocyte cell specific protein tyrosine kinase antibody
        • Lymphocyte cell-specific protein-tyrosine kinase antibody
        • Lymphocyte specific protein tyrosine kinase antibody
        • Membrane associated protein tyrosine kinase antibody
        • Oncogene lck antibody
        • P56 LCK antibody
        • p56(LSTRA) protein tyrosine kinase antibody
        • p56-LCK antibody
        • p56lck antibody
        • pp58 lck antibody
        • pp58lck antibody
        • Protein YT16 antibody
        • Proto oncogene tyrosine protein kinase LCK antibody
        • Proto-oncogene Lck antibody
        • Protooncogene tyrosine protein kinase LCK antibody
        • T cell specific protein tyrosine kinase antibody
        • T cell-specific protein-tyrosine kinase antibody
        • T lymphocyte specific protein tyrosine kinase p56lck antibody
        • Tyrosine-protein kinase Lck antibody
        • YT 16 antibody
        • YT16 antibody
        see all

      图片

      • Western blot - Anti-Lck (phospho Y504) antibody (ab4901)
        Western blot - Anti-Lck (phospho Y504) antibody (ab4901)
        Peptide Competition:  Full length untagged recombinant human Lck protein was added to control cell extract which does not contain Lck and then resolved by SDS-PAGE on a 10% Tris-glycine gel. The proteins then were transferred to nitrocellulose and incubated with 0.50 µg/mL ab4901 antibody, following prior incubation with: (1) the appropriately phosphorylated peptide immunogen, (2) the nonphosphorylated peptide corresponding to the peptide immunogen, (3) the non-phosphorylated peptide derived from the corresponding region of Src, (4) a generic phosphotyrosine containing peptide, (5) no peptide, and (6) the phosphorylated peptide derived from the corresponding region of Src. After washing, membranes were incubated with goat F(ab’)2 anti-rabbit IgG alkaline phosphatase conjugate and bands were detected using the Tropix WesternStar detection method. The data presented here demonstrate that only the phosphopeptide corresponding to this site completely blocks t

      实验方案

      • Peptide Competition Experiment
      • Western blotting protocol

      Click here to view the general protocols

      数据表及文件

      • Datasheet
    • 文献 (2)

      发表研究结果有使用 ab4901?请让我们知道,以便我们可以引用本数据表中的参考文章。

      ab4901 被引用在 2 文献中.

      • Inoue R  et al. Effect of a neural relay on liver regeneration in mice: activation of serotonin release from the gastrointestinal tract. FEBS Open Bio 8:449-460 (2018). PubMed: 29511622
      • Zhao H  et al. Secretion of shh by a neurovascular bundle niche supports mesenchymal stem cell homeostasis in the adult mouse incisor. Cell Stem Cell 14:160-73 (2014). IF . PubMed: 24506883

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