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Invitrogen
Human CD223 (aa 308-436) Control Fragment Recombinant Protein
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Product Details
RP-90012
Applications
Tested Dilution
Publications
Product Specifications
Species
Human
Expression System
E. coli
Amino acid sequence
LVTGDNGDFTLRLEDVSQAQAGTYTCHIHLQEQQLNATVTLAIITVTPKSFGSPGSLGKLLCEVTPVSGQERFVWSSLDTPSQRSFSGPWLEAQEAQLLSQPWQCQLYQGERLLGAAVYFTELSSPGAQ
Tag
His-ABP-tag
Class
Recombinant
Type
Protein
Purity
>80% by SDS-PAGE and Coomassie blue staining
Conjugate
Form
Liquid
Concentration
≥5.0 mg/mL
Purification
purified
Storage buffer
PBS/1M urea, pH 7.4
Contains
no preservative
Storage conditions
-20°C, Avoid Freeze/Thaw Cycles
Product Specific Information
Highest antigen sequence indentity to the following orthologs: Mouse (69%), Rat (69%).
This recombinant protein control fragment may be used for blocking experiments with the corresponding antibody, PA5-82490. In IHC/ICC and WB experiments, we recommend a 100x molar excess of the protein fragment control based on the concentration and the molecular weight. Pre-incubate the antibody-protein control fragment mixture for 30 min at room temperature.
Target Information
LAG-3 is a 70-kDa surface glycoprotein in the immunoglobulin superfamily, with structural homology to CD4. It binds to MHC class II molecules with higher affinity than CD4 and is involved in the negative regulation of T cell activation and homeostatic proliferation. LAG-3 is expressed on the surface of activated T cells, including regulatory T cells, and NK cells. Notably, CD8+ T cells express LAG-3 at significantly higher levels than CD4+ T cells. Additionally, the coexpression of LAG-3 and CD49b has been proposed as a marker for identifying Type 1 regulatory T cells (Tr1 cells) in both humans and mice. This highlights LAG-3s role in immune regulation and its potential as a target for therapeutic interventions in immune-related conditions.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: CD223; LAG-3; Lymphocyte activation gene 3 protein; lymphocyte-activation gene 3; sLAG 3; sLAG3; soluble LAG 3lymphocyte activating 3; soluble LAG3
Gene Aliases: CD223; FDC; LAG3
UniProt ID: (Human) P18627
Entrez Gene ID: (Human) 3902
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