Cell Surface

Cell Surface

Antibodies targeting extracellular epitopes for surface labeling and live-cell detection

Cell surface-binding antibodies are essential tools for studying membrane proteins in their native, physiological context. These in-house produced antibodies recognize extracellular epitopes of cell surface proteins, enabling live-cell labeling, flow cytometry, surface receptor tracking, and functional studies without the need for cell permeabilization.
Alomone Labs offers a comprehensive portfolio of highly specific, well-validated antibodies targeting extracellular domains of ion channels, receptors, and transporters. These antibodies are carefully designed to ensure epitope accessibility, specificity, and reproducibility across advanced imaging and cytometry workflows. Each antibody is rigorously validated in immunohistochemistry (IHC), immunocytochemistry (ICC), western blot (WB), and/or flow cytometry, with matched blocking peptides available to confirm specificity.

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FAQs

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  • The expected molecular weight (MW) listed in the product datasheet is based solely on the size of the target protein’s amino acid sequence. It’s important to remember that many factors can affect the banding pattern of your western blot including: (1) the existence of a splice variant, (2) the quality of the loaded sample, (3) the protein extraction method, and (4) the protein transfer conditions. To achieve accurate results, you may need to systematically adjust the protein extraction method or the protein transfer conditions.

    • If the band’s MW is below the expected MW it could be due to a splice variant with a slightly different MW.
      • Heat the samples at 70°C for 10 min.
      • Increase the transfer time.
    • If the band’s MW is above the expected MW, it could be due to post-translational modifications.
    • In either event, you should use a blocking peptide as a negative control.

  • Some toxins and peptides are soluble in DMSO; you can find this information in the product specification section. For these products, prepare a concentrated stock solution first.

    1. Centrifuge vial (10,000 x g, 5 minutes) before adding solvent.
    2. Dissolve the lyophilized reagent in DMSO. We recommend keeping a concentrated stock solution at 1-10 mM (100-1000X higher than the final working concentration).
    3. Once the peptide is completely dissolved in DMSO, slowly dilute the peptide in pure water (or buffer) to the desired final working concentration.

    Note: We recommend that you maintain a DMSO concentration as low as possible. For cell assays, a final concentration of 0.1–0.5% DMSO (v/v) is considered acceptable. For other experiments, 5% DMSO (v/v) is recommended; adjust this according to your experimental requirements.

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803 Results
  • Anti-GRIK5 (GluK5) (extracellular) Antibody
    Anti-GRIK5 (GluK5) (extracellular) Antibody
    A Rabbit Polyclonal Antibody to Kainate Receptor GluK5
    • Product Code: AGC-042
    • Short Description: A Rabbit Polyclonal Antibody to Kainate Receptor GluK5
    • Host: Rabbit
    • Label: Unconjugated
    • Reactivity: Human, Rat, Mouse
    • Applications: Western blot, Immunocytochemistry, Immunofluorescence, Immunohistochemistry
    • Target: Glutamate receptor ionotropic kainate 5, Glutamate receptor KA-2, KA2
  • Anti-GRIK4 (KA1) (extracellular) Antibody
    KO Validate'
    Anti-GRIK4 (KA1) (extracellular) Antibody
    A Rabbit Polyclonal Antibody to Kainate Receptor GluK4
    • Product Code: AGC-041
    • Short Description: A Rabbit Polyclonal Antibody to Kainate Receptor GluK4
    • Host: Rabbit
    • Label: Unconjugated
    • Reactivity: Human, Rat, Mouse
    • Applications: Western blot, Immunocytochemistry, Immunofluorescence, Immunohistochemistry
    • Target: Glutamate receptor ionotropic kainate 4, GluK4, Glutamate receptor KA-1
  • Anti-GRIK3 (GluK3) (extracellular) Antibody
    Anti-GRIK3 (GluK3) (extracellular) Antibody
    A Rabbit Polyclonal Antibody to Kainate Receptor GluK3
    • Product Code: AGC-040
    • Short Description: A Rabbit Polyclonal Antibody to Kainate Receptor GluK3
    • Host: Rabbit
    • Label: Unconjugated
    • Reactivity: Human, Rat, Mouse
    • Applications: Western blot, Immunofluorescence, Immunohistochemistry
    • Target: Glutamate receptor ionotropic kainate 3, Glutamate receptor 7, GluR7
  • Anti-GRID2 (extracellular) Antibody
    Anti-GRID2 (extracellular) Antibody
    A Rabbit Polyclonal Antibody to Glutamate Receptor δ2 (GRID2)
    • Product Code: AGC-039
    • Short Description: A Rabbit Polyclonal Antibody to Glutamate Receptor δ2 (GRID2)
    • Host: Rabbit
    • Label: Unconjugated
    • Reactivity: Human, Rat, Mouse
    • Applications: Live cell imaging, Western blot, Immunocytochemistry, Immunofluorescence, Immunohistochemistry
    • Target: Ionotropic glutamate receptor δ2, GluR delta-2 subunit, GluD2
  • Anti-GRID1 (extracellular) Antibody
    Anti-GRID1 (extracellular) Antibody
    A Rabbit Polyclonal Antibody to Glutamate Receptor δ1 (GRID1)
    • Product Code: AGC-038
    • Short Description: A Rabbit Polyclonal Antibody to Glutamate Receptor δ1 (GRID1)
    • Host: Rabbit
    • Label: Unconjugated
    • Reactivity: Human, Rat, Mouse
    • Applications: Live cell imaging, Western blot, Immunocytochemistry, Immunofluorescence, Immunohistochemistry
    • Target: Ionotropic glutamate receptor δ1, GluR delta-1 subunit, GluD1
  • Anti-NMDAR3B (GRIN3B) (extracellular) Antibody
    Anti-NMDAR3B (GRIN3B) (extracellular) Antibody
    A Rabbit Polyclonal Antibody to NMDA Receptor 3B (GRIN3B)
    • Product Code: AGC-031
    • Short Description: A Rabbit Polyclonal Antibody to NMDA Receptor 3B (GRIN3B)
    • Host: Rabbit
    • Label: Unconjugated
    • Reactivity: Rat, Mouse
    • Applications: Western blot, Immunofluorescence, Immunohistochemistry
    • Target: NR3B, GluN3B, Ionotropic glutamate receptor NMDA 3B, N-methyl-D-aspartate subunit 3B
  • Anti-NMDAR3A (GRIN3A) (extracellular) Antibody
    Anti-NMDAR3A (GRIN3A) (extracellular) Antibody
    A Rabbit Polyclonal Antibody to NMDA Receptor 3A (GRIN3A)
    • Product Code: AGC-030
    • Short Description: A Rabbit Polyclonal Antibody to NMDA Receptor 3A (GRIN3A)
    • Host: Rabbit
    • Label: Unconjugated
    • Reactivity: Rat, Mouse
    • Applications: Western blot
    • Target: NR3A, NMDAR-L, GluN3A, Ionotropic glutamate receptor NMDA 3A, N-methyl-D-aspartate subunit 3A
  • Anti-mGluR8 (extracellular) Antibody
    Anti-mGluR8 (extracellular) Antibody
    A Rabbit Polyclonal Antibody to Metabotropic Glutamate Receptor 8
    • Product Code: AGC-028
    • Short Description: A Rabbit Polyclonal Antibody to Metabotropic Glutamate Receptor 8
    • Host: Rabbit
    • Label: Unconjugated
    • Reactivity: Human, Rat, Mouse
    • Applications: Western blot, Immunofluorescence, Immunohistochemistry
    • Target: Metabotropic glutamate receptor 8, GRM8, mGlu8, GPRC1H
  • Anti-mGluR6 (extracellular) Antibody
    Anti-mGluR6 (extracellular) Antibody
    A Rabbit Polyclonal Antibody to Metabotropic Glutamate Receptor 6
    • Product Code: AGC-026
    • Short Description: A Rabbit Polyclonal Antibody to Metabotropic Glutamate Receptor 6
    • Host: Rabbit
    • Label: Unconjugated
    • Reactivity: Human, Rat, Mouse
    • Applications: Western blot
    • Target: Metabotropic glutamate receptor 6, GRM6, mGlu6, Gprc1f
  • Anti-SLC1A7 (extracellular) Antibody
    Anti-SLC1A7 (extracellular) Antibody
    A Rabbit Polyclonal Antibody to Excitatory Amino Acid Transporter 5 (SLC1A7)
    • Product Code: AGC-025
    • Short Description: A Rabbit Polyclonal Antibody to Excitatory Amino Acid Transporter 5 (SLC1A7)
    • Host: Rabbit
    • Label: Unconjugated
    • Reactivity: Rat, Mouse
    • Applications: Western blot
    • Target: Excitatory amino acid transporter 5, EAAT5, Retinal glutamate transporter
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