Human CLEC-2/CLEC1B Antibody

R&D Systems, part of Bio-Techne | Catalog # MAB1718

R&D Systems, part of Bio-Techne
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MAB1718
MAB1718-SP
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Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human

Applications

Validated:

Western Blot

Cited:

Flow Cytometry, Western Blot

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG2B Clone # 219150

View all CLEC-2/CLEC1B Antibodies »

Product Specifications

Immunogen

NS0-derived recombinant human CLEC-2 extracellular domain
Gln58-Pro229
Accession # AAF36777

Specificity

Detects human CLEC-2/CLEC1B in direct ELISAs and Western blots. In direct ELISAs, no cross-reactivity with recombinant humanCLEC-1 is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG2B

Scientific Data Images for Human CLEC-2/CLEC1B Antibody

Detection of Human CLEC-2/CLEC1B antibody by Western Blot.

Detection of Human CLEC-2/CLEC1B by Western Blot.

Western blot shows lysates of human platelets. PVDF Membrane was probed with 2 µg/mL of Mouse Anti-Human CLEC-2/CLEC1B Monoclonal Antibody (Catalog # MAB1718) followed by HRP-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # HAF007). A specific band was detected for CLEC-2/CLEC1B at approximately 35 kDa (as indicated). This experiment was conducted under reducing conditions and using Immunoblot Buffer Group 5.

Applications for Human CLEC-2/CLEC1B Antibody

Application
Recommended Usage

Western Blot

2 µg/mL
Sample: Human platelets

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Reconstitution

Reconstitute at 0.5 mg/mL in sterile PBS. For liquid material, refer to CoA for concentration.

Reconstitution Buffer Available:
Size / Price
Qty

Formulation

Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied either lyophilized or as a 0.2 µm filtered solution in PBS.

Shipping

Lyophilized product is shipped at ambient temperature. Liquid small pack size (-SP) is shipped with polar packs. Upon receipt, store immediately at the temperature recommended below.

Stability & Storage

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 6 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: CLEC-2/CLEC1B

C-type lectin-like receptor 2 (CLEC-2) is a 32 kDa type II transmembrane glycoprotein and member of the C-type lectin-like family of receptors (1-4). CLEC-2 consists of a 33 amino acid (aa) cytoplasmic domain, a 21 aa transmembrane region, and a 175 aa extracellular domain. The cytoplasmic domain contains multiple threonine and serine residues which are sites of potential phosphorylation, and a YXXL (Tyr-Xaa-Xaa-Leu) motif through which CLEC-2 does its signaling (2, 4-5). Ligand binding and cross-linking of CLEC-2 induces Src kinase-dependent tyrosine phosphorylation of the YXXL sequence, inducing activation of the tyrosine kinase Syk and initiation of a signaling pathway that culminates in activation of phospholipase C gamma2 (2, 5). The extracellular domain contains three potential sites of N-linked glycosylation, and a single carbohydrate recognition domain (CRD) which shows conservation of six cysteine residues (1, 6). Unlike most other members of the
C‑type lectin-like family of receptors, CLEC-2's CRD lacks the amino acid residues that are crucial for Ca2+-dependent carbohydrate binding, making it a
non‑classical C-type lectin receptor (1, 6). A splicing variant at aa 22-55 produces two isoforms for CLEC-2. Isoform 1 is the longer protein, and in isoform 2, an alanine residue is substituted for aa 22-55. Human CLEC-2 shares 63% aa sequence identity with mouse CLEC-2. CLEC-2 is expressed preferentially in liver, and is also detected in myeloid cells (monocytes, dendritic cells, and granulocytes) (1), platelets, and megakaryocytes (4). CLEC-2 is the receptor for the
platelet-aggregating snake venom protein rhodocytin (3-4) and the molecule podoplanin, a transmembrane sialoglycoprotein that, when bound to CLEC-2, is involved in platelet aggregation, tumor metastasis, and lymphatic vessel formation (2, 7). CLEC-2 has also been shown to enhance infectivity of HIV-1 by mediating HIV-1 attachment and transfer by CLEC-2 transfected cells and platelets (8).

References

  1. Colonna, M. et al. (2000) Eur. J. Immunol. 30:697.
  2. Christou, C.M. et al. (2008) Biochem. J. 411:133.
  3. Watson, A.A. et al. (2007) J. Biol. Chem. 282:3165.
  4. Suzuki-Inoue, K. et al. (2006) Blood 107:542.
  5. Fuller, G.L. et al. (2007) J. Biol. Chem. 282:12397.
  6. Weis, W.I. et al. (1998) Immunol. Rev. 163:19.
  7. Suzuki-Inoue, K. et al. (2007) J. Biol. Chem. 282:25993.
  8. Chaipan, C. et al. (2006) J. Virol. 80:8951.

Long Name

C-type Lectin-like Receptor 2

Alternate Names

CLEC1B, CLEC2

Entrez Gene IDs

51266 (Human); 56760 (Mouse)

Gene Symbol

CLEC1B

UniProt

AAF36777

Additional CLEC-2/CLEC1B Products

Product Documents for Human CLEC-2/CLEC1B Antibody

Product Datasheets

Certificate of Analysis

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Product Specific Notices for Human CLEC-2/CLEC1B Antibody

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