Human C-Type Lectin Domain Family 4, Member L (CLEC4L) Protein
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Description
Human CLEC4L Protein is a recombinant Human protein produced in a Prokaryotic expression system (E. coli).
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Product specifications
| Category | Proteins and Peptides |
| Immunogen Target | C-Type Lectin Domain Family 4, Member L (CLEC4L) |
| Host | E. coli |
| Origin | Human |
| Conjugation | Unconjugated |
| Observed MW | Molecular Weight: Calculated MW: 42.0 kDa Observed MW (SDS-PAGE): 42 kDa Concentration: Prior to lyophilization: 200 µg/ml Sequence Fragment: Glu70-Ala404 Tag: N-terminal His tag |
| Expression | Recombinant |
| Purity | > 90% |
| Size 1 | 10 µg |
| Size 2 | 50 µg |
| Size 3 | 100 µg |
| Size 4 | 200 µg |
| Size 5 | 500 µg |
| Form | Lyophilized To keep the original salt concentration, we recommend reconstituting to the original concentration prior to lyophilization (see Concentration) in ddH2O. If a lower concentration is required, dilute in PBS, pH 7.4. If a higher concentration is required, the product can be reconstituted directly in PBS, pH 7.4, though please note that this will change the overall salt concentration. The stock concentration should be between 0.1-1.0 mg/ml. Do not vortex. |
| Tested Applications | WB, SDS-PAGE |
| Buffer | Prior to lyophilization: PBS, pH 7.4, containing 0.01% Sarcosyl, 1 mM DTT, 5% Trehalose and Proclin-300. |
| Availability | Shipped within 5-7 working days. |
| Storage | Store at 2-8 °C for up to one month. Store at -80 °C for up to one year. Avoid repeated freeze/thaw cycles. |
| Dry Ice | No |
| UniProt ID | Q9NNX6 |
| Alias | C-type lectin domain family 4 member L,CDSIGN,CLEC4L,DC-SIGN,DC-SIGN1,hDC-SIGN,Dendritic cell-specific ICAM-3-grabbing non-integrin 1,CD209 antigen |
| Background | Protein CD209 |
| Status | RUO |
| Note | This product is for research use only. Not for human consumption, cosmetic, therapeutic or diagnostic use. |
Descripción
CD209, commonly known as DC-SIGN (Dendritic Cell-Specific Intercellular adhesion molecule-3-Grabbing Non-integrin), is a type II transmembrane protein receptor primarily expressed on the surface of dendritic cells (DCs) and some macrophage subsets. It plays a crucial role in the immune system by mediating pathogen recognition, cellular adhesion, and antigen capture. CD209 is a member of the C-type lectin receptor (CLR) family and exhibits high affinity for mannose-rich glycans, a feature that enables it to bind to a range of microbial structures, facilitating the immune response against pathogens. One of CD209's defining characteristics is its ability to recognize pathogen-associated molecular patterns (PAMPs), which are specific carbohydrate patterns on pathogens. By binding to these patterns, CD209 captures and internalizes pathogens, aiding in their processing and subsequent antigen presentation to T cells. The receptor is particularly relevant in the context of HIV, Mycobacterium tuberculosis, Ebola, and Dengue virus, as it can interact with these pathogens and contribute to their immune response or facilitate viral entry in certain cases.
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Pathogen-recognition receptor expressed on the surface of immature dendritic cells(DCs) and involved in initiation of primary immune response. Thought to mediate the endocytosis of pathogens which are subsequently degraded in lysosomal compartments. The receptor returns to the cell membrane surface and the pathogen-derived antigens are presented to resting T-cells via MHC class II proteins to initiate the adaptive immune response. On DCs it is a high affinity receptor for ICAM2 and ICAM3 by binding to mannose-like carbohydrates. May act as a DC rolling receptor that mediates transendothelial migration of DC presursors from blood to tissues by binding endothelial ICAM2. Seems to regulate DC-induced T-cell proliferation by binding to ICAM3 on T-cells in the immunological synapse formed between DC and T-cells. (Microbial infection) Acts as an attachment receptor for HIV-1 and HIV-2(PubMed:11799126, PubMed:12502850, PubMed:1518869). Acts as an attachment receptor for ebolavirus(PubMed:12502850, PubMed:12504546). Acts as an attachment receptor for cytomegalovirus(PubMed:12433371, PubMed:22496863). Acts as an attachment receptor for HCV(PubMed:15371595, PubMed:16816373). Acts as an attachment receptor for dengue virus(PubMed:12682107). Acts as an attachment receptor for measles virus(PubMed:16537615). Acts as an attachment receptor for herpes simplex virus 1(PubMed:18796707). Acts as an attachment receptor for Influenzavirus A(PubMed:21191006). Acts as an attachment receptor for SARS coronavirus(PubMed:15140961). Acts as an attachment receptor for Japanese encephalitis virus(PubMed:24623090). Acts as an attachment receptor for Lassa virus(PubMed:23966408). Acts as an attachment receptor for marburg virusn(PubMed:15479853). Acts as an attachment receptor for Respiratory syncytial virus(PubMed:22090124). Acts as an attachment receptor for Rift valley fever virus and uukuniemi virus(PubMed:21767814). Acts as an attachment receptor for west-nile virus(PubMed:16415006). Probably recognizes in a calcium-dependent manner high mannose N-linked oligosaccharides in a variety of bacterial pathogen antigens, including Leishmania pifanoi LPG, Lewis-x antigen in Helicobacter pylori LPS, mannose in Klebsiella pneumonae LPS, di-mannose and tri-mannose in Mycobacterium tuberculosis ManLAM and Lewis-x antigen in Schistosoma mansoni SEA(PubMed:16379498). Recognition of M.tuberculosis by dendritic cells occurs partially via this molecule(PubMed:16092920, PubMed:21203928).
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CD209 encodes a transmembrane receptor and is often referred to as DC-SIGN because of its expression on the surface of dendritic cells and macrophages. The encoded protein is involved in the innate immune system and recognizes numerous evolutionarily divergent pathogens ranging from parasites to viruses with a large impact on public health. The protein is organized into three distinct domains: an N-terminal transmembrane domain, a tandem-repeat neck domain and C-type lectin carbohydrate recognition domain. The extracellular region consisting of the C-type lectin and neck domains has a dual function as a pathogen recognition receptor and a cell adhesion receptor by binding carbohydrate ligands on the surface of microbes and endogenous cells. The neck region is important for homo-oligomerization which allows the receptor to bind multivalent ligands with high avidity. Variations in the number of 23 amino acid repeats in the neck domain of this protein are rare but have a significant impact on ligand binding ability. This gene is closely related in terms of both sequence and function to a neighboring gene (GeneID 10332; often referred to as L-SIGN). DC-SIGN and L-SIGN differ in their ligand-binding properties and distribution.
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