Human LSECtin/CLEC4G Alexa Fluor® 594-conjugated Antibody

Catalog # Availability Size / Price Qty
FAB2947T-100UG
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Human LSECtin/CLEC4G Alexa Fluor® 594-conjugated Antibody Summary

Species Reactivity
Human
Specificity
Detects human LSECtin/CLEC4G in flow cytometry.
Source
Monoclonal Mouse IgG2a Clone # 845404
Immunogen
NS0 mouse myeloma cell line transfected with LSECtin/CLEC4G
Ser54-Cys293
Accession # Q6UXB4
Formulation
Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.
Label
Alexa Fluor 594

Applications

Recommended Concentration
Sample
Flow Cytometry
0.25-1 µg/106 cells
Human mature dendritic cells

Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.

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Preparation and Storage

Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: LSECtin/CLEC4G

LSECtin (liver and lymph node sinusoidal endothelial cell C-type lectin), also known as C-type lectin superfamily 4, member G (CLEC4G), is a member of subgroup II of the C-type (Ca2+-dependent) lectin superfamily (1). The protein was named LSECtin because its initial expression was described to be restricted to liver and lymph node sinusoidal endothelial cells (1). Since then, however, LSECtin has also been detected in peripheral blood and thymic dendritic cells isolated ex vivo, and in monocyte-derived macrophages and dendritic cells at the RNA and protein level (2). Human LSECtin is an approximately 40 kDa, single-pass, type II transmembrane glycoprotein that is 293 amino acids (aa) in length. It contains a short N-terminal cytoplasmic tail (aa 1‑31) and a 21 aa transmembrane region. Its extracellular region consists of two N-linked glycosylation sites (aa 73 and 159), a coil‑coil neck domain (aa 96‑136), a C‑type lectin-like domain (CTLD) of the type found in human DC‑SIGN and DC‑SIGN receptor (aa 165‑289), and a C-terminal Ca2+-dependent carbohydrate‑recognition domain (C-type CRD) (1). Human LSECtin shares 64% aa sequence identity with mouse LSECtin. LSECtin binds to mannose, GlcNAc, and fucose in a Ca2+-dependent manner (1‑3). In addition, LSECtin has the ability to bind to surface glycoproteins of enveloped viruses (3, 4). In particular, interaction of LSECtin with the surface glycoproteins of severe acute respiratory syndrome (SARS) coronavirus and Ebola virus has been described, and LSECtin‑mediated infection of cells by Ebola virus has been demonstrated (3, 4).

References
  1. Liu, W. et al. (2004) J. Biol. Chem. 279:18748.
  2. Dominguez-Soto, A. et al. (2007) Blood 109:5337.
  3. Powlesland, A. et al. (2008) J. Biol. Chem. 283:593.
  4. Gramberg, T. et al. (2005) Virology 340:224.
Long Name
Liver And Lymph Node Sinusoidal Endothelial Cell C-type Lectin
Entrez Gene IDs
339390 (Human); 75863 (Mouse)
Alternate Names
CLEC4G; C-type lectin domain family 4 member G; C-type lectin domain family 4, member G; C-type lectin superfamily 4, member G; DTTR431; liver and lymph node sinusoidal endothelial cell C-type lectin; LP2698; LSECtin; Q6UXB4; UNQ431

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