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Active Recombinant Human LCK, His-tagged

Cat.No. : LCK-16H
Product Overview : The recombinant Human LCK, His-tagged protein was expressed in E. coli and purified by affinity chromatography in combination with FPLC columns.
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  • Gene Information
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Description : This gene is a member of the Src family of protein tyrosine kinases (PTKs). The encoded protein is a key signaling molecule in the selection and maturation of developing T-cells. It contains N-terminal sites for myristylation and palmitylation, a PTK domain, and SH2 and SH3 domains which are involved in mediating protein-protein interactions with phosphotyrosine-containing and proline-rich motifs, respectively. The protein localizes to the plasma membrane and pericentrosomal vesicles, and binds to cell surface receptors, including CD4 and CD8, and other signaling molecules. Multiple alternatively spliced variants, encoding the same protein, have been described.
Source : E. coli
Species : Human
Tag : His
Form : The protein is in 20mM Tris-HCl pH7.9,100mM NaCl, 0.2mM EDTA, 1mM DTT and 20% glycerol.
Bio-activity : 1 unit equals 1 nanogram of purified protein.
Molecular Mass : 59.8 kDa.
AA Sequence : MGCGCSSHPE DDWMENIDVC ENCHYPIVPL DGKGTLLIRN GSEVRDPLVT YEGSNPPASP LQDNLVIALH SYEPSHDGDL GFEKGEQLRI LEQSGEWWKA QSLTTGQEGF IPFNFVAKAN SLEPEPWFFK NLSRKDAERQ LLAPGNTHGS FLIRESESTA GSFSLSVRDF DQNQGEVVKH YKIRNLDNGG FYISPRITFP GLHELVRHYT NASDGLCTRL SRPCQTQKPQ KPWWEDEWEV PRETLKLVER LGAGQFGEVW MGYYNGHTKV AVKSLKQGSM SPDAFLAEAN LMKQLQHQRL VRLYAVVTQE PIYIITEYME NGSLVDFLKT PSGIKLTINK LLDMAAQIAE GMAFIEERNY IHRDLRAANI LVSDTLSCKI ADFGLARLIE DNEYTAREGA KFPIKWTAPE AINYGTFTIK SDVWSFGILL TEIVTHGRIP YPGMTNPEVI QNLERGYRMV RPDNCPEELY QLMRLCWKER PEDRPTFDYL RSVLEDFFTA TEGQYQPQP
Purity : Greater than 90% as determined by SDS-PAGE.
Applications : 10ng of LCK is sufficient to phosphorylated 1 ug of heat-inactivated nuclear or cytoplasmic extract at 30 C for 30 mins.
Storage : Stored at -70°C before use. Avoid repeated freeze thaw cycles.
Gene Name : LCK lymphocyte-specific protein tyrosine kinase [ Homo sapiens ]
Official Symbol : LCK
Synonyms : LCK; lymphocyte-specific protein tyrosine kinase; tyrosine-protein kinase Lck; leukocyte C-terminal Src kinase; p56(LSTRA) protein-tyrosine kinase; t cell-specific protein-tyrosine kinase; proto-oncogene tyrosine-protein kinase LCK; lymphocyte cell-specific protein-tyrosine kinase; T-lymphocyte specific protein tyrosine kinase p56lck; LSK; YT16; p56lck; pp58lck;
Gene ID : 3932
mRNA Refseq : NM_005356
Protein Refseq : NP_005347
MIM : 608131
UniProt ID : Q9H093
Chromosome Location : 1q32.1
Function : ATP binding; magnesium ion binding; nucleotide binding; protein binding; protein serine/threonine kinase activity;

For Research Use Only. Not intended for any clinical use. No products from Creative BioMart may be resold, modified for resale or used to manufacture commercial products without prior written approval from Creative BioMart.

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Q&As (7)

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What role does LCK play in the development and maturation of T cells in the thymus? 05/25/2022

LCK plays a vital role in the development and maturation of T cells in the thymus, especially during the processes of positive and negative selection, ensuring the generation of a functional and self-tolerant T-cell repertoire.

Can LCK activity be modulated by pharmacological agents? 02/24/2022

Yes, LCK activity can be modulated by several pharmacological agents, including kinase inhibitors like dasatinib, which have been explored for therapeutic purposes in various diseases.

How is LCK activation regulated post-translationally? 01/16/2022

LCK activation is regulated post-translationally through phosphorylation at specific tyrosine residues, with its activity being modulated by both activating and inhibitory phosphorylations.

What is the primary function of LCK in T-cell signaling? 07/16/2021

LCK is a pivotal Src family kinase that plays a crucial role in initiating T-cell receptor (TCR) signaling by phosphorylating key tyrosines on the CD3 and ζ-chains of the TCR complex.

How does LCK interact with other kinases in T-cell signaling pathways? 07/08/2020

LCK interacts with other kinases such as ZAP-70 and Fyn in T-cell signaling pathways, orchestrating a cascade of phosphorylation events that lead to T-cell activation.

Are there any known diseases or conditions associated with LCK dysregulation? 12/01/2018

Dysregulation of LCK has been associated with various conditions, including autoimmune diseases, immunodeficiencies, and certain leukemias.

How does LCK contribute to T-cell receptor (TCR) complex formation and activation? 08/14/2018

LCK contributes to TCR complex formation and activation by phosphorylating the immunoreceptor tyrosine-based activation motifs (ITAMs) on the TCR, facilitating the recruitment and activation of ZAP-70 kinase.

Customer Reviews (3)

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Reviews
04/24/2022

    Good stability, long shelf-life.

    10/29/2020

      Consistent quality across batches.

      03/11/2019

        Pure product, reliable results.

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