Human EMR2 Antibody

  
  • Species Reactivity
    Human
  • Specificity
    Detects human EMR2 in EMR2-transfected cells but not in the parental cell line.
  • Source
    Monoclonal Mouse IgG2B Clone # 494025
  • Purification
    Protein A or G purified from hybridoma culture supernatant
  • Immunogen
    NS0 mouse myeloma cell line transfected with human EMR2
    Gln24-Asn823
    Accession # AAI27006
  • Formulation
    Lyophilized from a 0.2 μm filtered solution in PBS with Trehalose. *Small pack size (SP) is supplied as a 0.2 µm filtered solution in PBS.
  • Label
    Unconjugated
Applications
  •  
    Recommended
    Concentration
    Sample
  • Flow Cytometry
    0.25 µg/106 cells
    See below
  • CyTOF-ready
    Ready to be labeled using established conjugation methods. No BSA or other carrier proteins that could interfere with conjugation.
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.
Data Examples
Detection of EMR2 in Human Monocytes by Flow Cytometry. Human blood‑derived monocytes were stained with Mouse Anti-Human EMR2 Monoclonal Antibody (Catalog # MAB4894, filled histogram) or isotype control antibody (Catalog # MAB0041, open histogram), followed by Allophycocyanin-conjugated Anti-Mouse IgG F(ab')2 Secondary Antibody (Catalog # F0101B).
Preparation and Storage
  • Reconstitution
    Reconstitute at 0.5 mg/mL in sterile PBS.
  • Shipping
    The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
  • 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: EMR2

EMR2 (EGF-like module-containing mucin-like receptor 2; designated CD312) is a glycoprotein belonging to the EGF-TM7 family of adhesion-type class B 7‑transmembrane (TM) receptors. EGF-like sequences within long extracellular N-termini, and a GPS (G-protein proteolytic site) domain are characteristic of this family, which is mainly expressed on cells of the immune system (1, 2). The human EMR2 cDNA encodes an 823 amino acid (aa) protein with five EGF-like domains within the first 250 aa, followed by a mucin-like stalk, a GPS domain (aa 479‑530) and a 7‑TM sequence (aa 531‑785). The GPS domain is the site of autocatalytic cleavage, forming two cleaved portions that remain non-covalently attached as a heterodimer (1, 3). Of the first 290 aa of human EMR2, 284 aa (97%) are identical with family member CD97, likely due to gene duplication (2). The portion of human EMR2 N-terminal to the GPS domain (aa 1‑478) shares 64%, 59%, 48% and 45% aa identity with corresponding regions of canine EMR2, equine EMR2, mouse CD97 and rat CD97, respectively. Alternate splicing of EMR2 creates isoforms that contain 2‑5 EGF-like domains. Only the 5-EGF form contains EGF4, which is necessary for calcium-dependent binding of the EMR2/CD97 ligand, chondroitin sulfate (CS) (2, 4‑6). None of the isoforms engage the CD97 ligand, CD55 (DAF). EMR2 is restricted to myeloid cells (1, 2). EMR2 expression increases as monocytes differentiate into macrophages, and decreases with differentiation into dendritic cells (5). Activation increases neutrophil EMR2 expression (5). EMR2 localizes to the leading edge of migrating neutrophils and plays an important role in migration, adhesion and superoxide production (7). It is also thought to facilitate specific interaction of myeloid cells with peripheral B lymphocytes which express CS (6).

  • References:
    1. Kwakkenbos, M.J. et al. (2004) Immunogenetics 55:655.
    2. Lin, H.-H. et al. (2000) Genomics 67:188.
    3. Lin, H.-H. et al. (2004) J. Biol. Chem. 279:31823.
    4. Stacey, M. et al. (2003) Blood 102:2916.
    5. Chang G.-W. et al. (2007) Biochem. Biophys. Res. Commun. 353:133.
    6. Kwakkenbos, M.J. et al. (2005) J. Leukoc. Biol. 77:112.
    7. Yona, S. et al. (2008) FASEB J. 22:741.
  • Long Name:
    EGF-like Module Containing, Mucin-like, Hormone Receptor-like 2
  • Entrez Gene IDs:
    30817 (Human)
  • Alternate Names:
    CD312; DKFZp781B135; egf-like module containing, mucin-like, hormone receptor-like 2; egf-like module containing, mucin-like, hormone receptor-like sequence 2; EGF-like module receptor 2; EGF-like module-containing mucin-like hormone receptor-like 2; EMR2
Related Research Areas
Isotype Controls
Description Application Cat# Citations Images  

Mouse IgG2B Isotype Control

Ctrl MAB004 32  
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Mouse IgG2B Isotype Control

Ctrl MAB0041 7  
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Mouse IgG2B Isotype Control

Ctrl MAB0042 6
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Secondary Antibodies
Description Application Cat# Citations Images  

Mouse IgG HRP-conjugated Antibody

WB HAF007 26  
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Mouse F(ab)2 IgG (H+L) PE-conjugated Antibody

Flow F0102B 10  
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Donkey Anti-Mouse IgG NorthernLights™ NL557-conjugate Antibody

Flow, IHC, ICC NL007 9
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Donkey Anti-Mouse IgG Biotinylated Antibody

WB BAF018 1
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Mouse IgG HRP-conjugated Antibody

WB HAF018 9  
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Donkey Anti-Mouse IgG NorthernLights™ NL637-conjugated Antibody

Flow, IHC, ICC NL008 8
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Mouse F(ab)2 IgG (H+L) APC-conjugated Antibody

Flow F0101B 2  
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Donkey Anti-Mouse IgG NorthernLights™ NL493-conjugated Antibody

Flow, IHC, ICC NL009 5
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Goat Anti-Mouse IgG Biotinylated Antibody

WB BAF007 4
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Mouse IgG Antibody

WB AF007 4
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Mouse F(ab)2 IgG (H+L) Fluorescein-conjugated Antibody

Flow F0103B 5  
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Mouse/Rabbit IgG VisUCyte HRP Polymer Antibody

IHC VC002  
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Mouse IgG VisUCyte HRP Polymer Antibody

IHC VC001  
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Rat Anti-Mouse IgG2B APC-conjugated Antibody

Flow F0133 1  
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Goat Anti-Mouse IgG Fc Affinity Purified Polyclonal Ab

G-202-C 2
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Mouse F(ab)2 IgG (H+L) PerCP-conjugated Antibody

Flow F0114  
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Rat Anti-Mouse IgG2B Fluorescein-conjugated Antibody

Flow F0134 1
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Rat Anti-Mouse IgG2B PE-conjugated Antibody

Flow F0132  
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Mouse IgG2B Antibody

Flow MAB0043  
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