Name :
Biotinylated Human CD5 Protein, His,Avitag™, premium grade
Background :
T-cell surface glycoprotein CD5 is also known as Lymphocyte antigen T1/Leu-1 and LEU1,which is phosphorylated on tyrosine residues by LYN,so CD5 can create binding sites for PTPN6/SHP-1.CD5 may act as a receptor in regulating T-cell proliferation. CD5 is expressed at various developmental and activation stages on human B cells.CD5 is a well established negative regulator of TCR and BCR signalling.CD5-positive cells may also prevent the emergence of autoimmunity by provision of cytokines such as IL-10. Development,selection and function of different B- and T-cell subsets or their preferential survival may be directly or indirectly dependent on different glycan structures associated with CD5 or CD5-like molecules.
Biological Activity :
Immobilized Biotinylated Human CD5, His,Avitag, premium grade (Cat. No. CD5-H82E5) at 1 μg/mL (100 μL/well) on streptavidin (Cat. No. STN-N5116) precoated (0.5 μg/well) plate can bind Mouse Anti-CD5 Antibody, Mouse IgG1 with a linear range of 0.1-1.6 ng/mL (QC tested).
Species :
Source :
Biotinylated Human CD5, His,Avitag, premium grade (CD5-H82E5) is expressed from human 293 cells (HEK293). It contains AA Arg 25 – Pro 372 (Accession # P06127-1 ).
Tag :
Synonyms :
（Synonym）CD5,LEU1
Purity :
（Purity）>95% as determined by SDS-PAGE.
Storage and Stability :
For long term storage, the product should be stored at lyophilized state at -20°C or lower.
Endotoxin Level :
（Endotoxin）Less than 0.01 EU per μg by the LAL method.
Formulation :
Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.
Protein Structure :
This protein carries a polyhistidine tag at the C-terminus, followed by an Avi tag (Avitag™).
Refactoring Approach :
Please see Certificate of Analysis for specific instructions.
Protein Labeling :
MedChemExpress (MCE) recombinant proteins include: cytokines, enzymes, growth factors, hormones, receptors, transcription factors, antibody fragments, etc. They are often essential for supporting cell growth, stimulating cell signaling pathways, triggering or inhibiting cell differentiation; and are useful tools for elucidating protein structure and function, understanding disease onset and progression, and validating pharmaceutical targets. At MedChemExpress (MCE), we strive to provide products with only the highest quality. Protein identity, purity and biological activity are assured by our robust quality control and assurance procedures.
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