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Gibco
Human CD23 (soluble) Recombinant Protein, PeproTech®
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Product Details
310-26-1MG
Applications
Tested Dilution
Publications
Product Specifications
Species
Human
Expression System
E. coli
Amino acid sequence
MELQVSSGFV CNTCPEKWIN FQRKCYYFGK GTKQWVHARY ACDDMEGQLV SIHSPEEQDF LTKHASHTGS WIGLRNLDLK GEFIWVDGSH VDYSNWAPGE PTSRSQGEDC VMMRGSGRWN DAFCDRKLGA WVCDRLATCT PPASEGSAES MGPDSRPDPD GRLPTPSAPL HS
Molecular weight
19.2 kDa
Class
Recombinant
Type
Protein
Purity
≥ 96% by SDS-PAGE gel and HPLC analyses.
Endotoxin concentration
<1 EU/µg
Activity
Measured by its ability to induce TNF-alpha production by human PBMCs.
Conjugate
Form
Lyophilized
Amount
1 mg
Purification
purified
Contains
no preservative
Storage conditions
-20°C
Shipping conditions
Ambient
Product Specific Information
Recombinant Human sCD23 is a 19.2 kDa non-glycosylated protein containing 172 amino-acid residues.
This product is shipped at ambient temperature. For storage, handling and reconstitution information, please see the lot-specific Certificate of Analysis
Target Information
CD23 is a 45 kDa glycoprotein that serves as a low-affinity receptor for IgE, playing a crucial role in regulating IgE responses and B cell activation. It is expressed on mature B cells, mantle zone B cells, follicular dendritic cells, and at lower levels on T cells, NK cells, Langerhans cells, and platelets. CD23 expression is upregulated upon B cell activation, and its soluble forms are biologically active, acting as potent mitogenic factors. CD23 is strongly expressed on Epstein-Barr virus (EBV)-transformed B lymphoblasts and is present on a subpopulation of freshly isolated peripheral blood and tonsil B cells. It is also detected in neoplastic cells from cases of B cell chronic lymphocytic leukemia and some centroblastic/centrocytic lymphomas. Functionally, CD23 is involved in B cell growth, differentiation, and IgE production. It interacts with CD21 and the alpha subunits of CD11b and CD11c, further influencing immune responses. Diseases associated with CD23 dysfunction include chronic conjunctivitis and chronic lymphocytic leukemia, highlighting its importance in both normal immune function and disease states. This makes CD23 a valuable target for antibody customers interested in B-cell-related research and diagnostics.
For Research Use Only. Not for use in diagnostic procedures. Not for resale without express authorization.
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Bioinformatics
Protein Aliases: BLAST-2; C-type lectin domain family 4 member J; C-type lectin domain family 4, member J; CD23; CD23 antigen; Fc fragment of IgE receptor II; Fc fragment of IgE, low affinity II, receptor for (CD23); Fc-epsilon receptor old gene name 'FCE1A'; Fc-epsilon-RII; FcepsilonRII; FceRII; Immunoglobulin E-binding factor; immunoglobulin epsilon-chain; Low affinity immunoglobulin epsilon Fc receptor; Lymphocyte IgE receptor; unnamed protein product
Gene Aliases: BLAST-2; CD23; CD23A; CLEC4J; FCE2; FCER2; FCErII; IGEBF
UniProt ID: (Human) P06734
Entrez Gene ID: (Human) 2208
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