Key Product Details

Species Reactivity

Validated:

Human

Cited:

Human, Fungus

Applications

Validated:

ELISA Capture (Matched Antibody Pair), Neutralization, Flow Cytometry, CyTOF-ready

Cited:

Immunohistochemistry, Western Blot, Neutralization, Flow Cytometry, Immunocytochemistry, Immunoprecipitation

Label

Unconjugated

Antibody Source

Monoclonal Mouse IgG1 Clone # 194128
View all Siglec-5/Siglec-14 Primary Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human Siglec‑5/Siglec‑14
Lys18-Thr434
Accession # O15389

Specificity

Detects human Siglec‑5/Siglec‑14 in ELISAs. In sandwich immunoassays, 100% cross-reactivity with recombinant human (rh) Siglec-14 is observed and no cross-reactivity with rhSiglec-3, rhSiglec-7, or rhSiglec-9 is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Endotoxin Level

<0.10 EU per 1 μg of the antibody by the LAL method.

Scientific Data Images for Human Siglec‑5/Siglec‑14 Antibody

Detection of Siglec‑5/14 antibody in Human Monocytes antibody by Flow Cytometry.

Detection of Siglec‑5/14 in Human Monocytes by Flow Cytometry.

Human blood derived monocytes were stained with Mouse Anti-Human Siglec-5/14 Monoclonal Antibody (Catalog # MAB10721, filled histogram) or isotype control antibody (Catalog # MAB002, open histogram), followed by Phycoerythrin-conjugated Anti-Mouse IgG F(ab')2Secondary Antibody (Catalog # F0102B).

Cell Adhesion Mediated by Siglec‑5 and Neutralization by Human Siglec‑5/14 Antibody.

Cell Adhesion Mediated by Siglec‑5 and Neutralization by Human Siglec‑5/14 Antibody.

Recombinant Human Siglec-5 Fc Chimera (Catalog # 1072-SL), immobilized onto a microplate, supports the adhesion of human red blood cells in a dose-dependent manner (orange line). Adhesion elicited by Recombinant Human Siglec-5 Fc Chimera (5 µg/mL) is neutralized (green line) by increasing concentrations of Mouse Anti-Human Siglec-5/14 Mono-clonal Antibody (Catalog # MAB10721). The ND50 is typically 0.04-0.2 µg/mL.

Applications for Human Siglec‑5/Siglec‑14 Antibody

Application
Recommended Usage

CyTOF-ready

Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.

Flow Cytometry

2.5 µg/106 cells
Sample: Human blood derived monocytes

Neutralization

Measured by its ability to neutralize Siglec‑5-mediated adhesion of human red blood cells. Kelm, S. et al. (1994) Current Biology 4:965. The Neutralization Dose (ND50) is typically 0.04-0.2 µg/mL in the presence of 5 µg/mL Recombinant Human Siglec‑5 Fc Chimera.

Human Siglec-5 Sandwich Immunoassay

ELISA Capture (Matched Antibody Pair)
Recommended Concentration: 2-8 µg/mL
Use in combination with these reagents:
  • Detection Reagent: Human Siglec‑5/Siglec‑14 Biotinylated Antibody (Catalog # BAM10722)
  • Standard: Recombinant Human Siglec-5 Fc Chimera Protein, CF (Catalog # 1072-SL)
Please Note: Optimal dilutions of this antibody should be experimentally determined.

Flow Cytometry Panel Builder

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Advanced Features

  • Spectra Viewer - Custom analysis of spectra from multiple fluorochromes
  • Spillover Popups - Visualize the spectra of individual fluorochromes
  • Antigen Density Selector - Match fluorochrome brightness with antigen density
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Flow Cytometry

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.

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.

Calculators

The reconstitution calculator allows you to quickly calculate the volume of a reagent to reconstitute your vial. Simply enter the mass of reagent and the target concentration and the calculator will determine the rest.

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Background: Siglec-5/Siglec-14

Siglecs (sialic acid binding Ig-like lectins) are a subgroup of the immunoglobulin superfamily that interact with sialic acids in glycoproteins and glycolipids. Siglec-5 binds to alpha-2, 3- and alpha-2, 6-linked sialic acid equally. It occurs as a disulfide-linked dimer of approximately 140 kDa with the highest expression levels in hematopoietic tissues. Siglec-5 has an inhibitory motif within its cytoplasmic domain. Siglec-14 is an activating receptor that shares 99.5% aa sequence identity with Siglec-5 through the first two extracellular Ig domains and displays a similar glycan binding preference.

Long Name

Sialic Acid Binding Ig-like Lectin 5

Alternate Names

CD170;CD33L2;OBBP2;OB-BP2;Sialic acid-binding Ig-like lectin 5;SIGLEC5;SIGLEC-5

Entrez Gene IDs

8778 (Human)

Gene Symbol

SIGLEC5

UniProt

O15389 (Human)

Additional Siglec-5/Siglec-14 Products

Product Documents for Human Siglec‑5/Siglec‑14 Antibody

Certificate of Analysis

To download a Certificate of Analysis, please enter a lot or batch number in the search box below.

Note: Certificate of Analysis not available for kit components.

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Product Specific Notices for Human Siglec‑5/Siglec‑14 Antibody

For research use only

Citations for Human Siglec‑5/Siglec‑14 Antibody

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