Human ASGR1/ASGPR1 Antibody

Catalog # Availability Size / Price Qty
Detection of ASGR1/ASGPR1 in HepG2 Human Cell Line by Flow Cytometry.
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Product Details
Supplemental Products

Human ASGR1/ASGPR1 Antibody Summary

Species Reactivity
Detects human ASGR1/ASGPR1 in direct ELISAs.
Monoclonal Mouse IgG1 Clone # 950203
Protein A or G purified from hybridoma culture supernatant
Mouse myeloma cell line NS0-derived recombinant human ASGR1/ASGPR1
Accession # P07306
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.


Recommended Concentration
Flow Cytometry
0.25 µg/106 cells
See below
5-25 µg/mL
See below
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.

Scientific Data

Flow Cytometry Detection of ASGR1/ASGPR1 antibody in HepG2 Human Cell Line antibody by Flow Cytometry. View Larger

Detection of ASGR1/ASGPR1 in HepG2 Human Cell Line by Flow Cytometry. HepG2 human hepatocellular carcinoma cell line was stained with Mouse Anti-Human ASGR1/ASGPR1 Monoclonal Antibody (Catalog # MAB43941, filled histogram) or isotype control antibody (Catalog # MAB0041, open histogram), followed by PE-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0102B). View our protocol for Staining Membrane-associated Proteins.

Immunohistochemistry ASGR1/ASGPR1 antibody in Human Liver by Immunohistochemistry (IHC-P). View Larger

ASGR1/ASGPR1 in Human Liver. ASGR1/ASGPR1 was detected in immersion fixed paraffin-embedded sections of human liver using Mouse Anti-Human ASGR1/ASGPR1 Monoclonal Antibody (Catalog # MAB43941) at 15 µg/mL for 1 hour at room temperature followed by incubation with the Anti-Mouse IgG VisUCyte™ HRP Polymer Antibody (Catalog # VC001). Tissue was stained using DAB (brown) and counterstained with hematoxylin (blue). Specific staining was localized to cytoplasm and membranes in hepatocytes. View our protocol for IHC Staining with VisUCyte HRP Polymer Detection Reagents.

Reconstitution Calculator

Reconstitution Calculator

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.


Preparation and Storage

Reconstitute at 0.5 mg/mL in sterile PBS.
Reconstitution Buffer Available
Reconstitution Buffer 1 (PBS)
Catalog #
Size / Price
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: ASGR1/ASGPR1

The human asialoglycoprotein receptor (ASGPR) is an endocytic recycling receptor that belongs to the long-form subfamily of the C-type/Ca+2-dependent lectin family (1, 2, 3). It is a complex of two noncovalently-linked subunits, a major 46 kDa glycoprotein (ASGR1) and a minor 50 kDa glycoprotein (ASGR2). The major human ASGPR subunit, ASGR1 (also H1), is synthesized as a 291 amino acid (aa) type II transmembrane (TM) glycoprotein. It contains a 40 aa cytoplasmic region, a 21 aa TM segment, and a 230 aa extracellular domain (ECD) (4 - 6). The cytoplasmic region contains one palmitoylation site at Cys36 that is essential for ligand endocytosis and dissociation (7). The ECD contains two important structural regions. The first is a stalk region of 62 aa (aa 61 - 123) that contributes to noncovalent oligomerization. The second is a 118 aa, carbohydrate-binding, Ca+2-dependent C-type lectin domain (aa 161 - 278) that is stabilized by three Ca+2 ions (3, 8). Human ASGR1 ECD is 79% aa identical to mouse ASGR1 ECD. There are two minor (ASGR2) subunits that interact with ASGR1/H1 in a mutually exclusive manner to generate a functional ASGPR (9). They represent alternate splice forms of a type II TM protein. Termed H2b and H2c, H2b differs from H2c only by the presence of a 19 aa insert in its cytoplasmic region. This insert is significant because it allows serine phosphorylation of the cytoplasmic tail and provides for the majority of ASGPR ligand internalization (9). The stoichiometry of a functional ASGPR is unclear, but is suggested to be either a 2:2, 3:1 or 3:2 ratio of ASGR1/H1:ASGR2/H2 (9, 10, 11). ASGPR is found on hepatocytes and a subset of T cells (6, 12). ASGPR is reported to bind Gal (nonreducing), GalNAc, and sialic acid alpha 2,6Gal and GalNAc (3, 13, 14, 15). This is generally within the context of triantennary or tetraantennary configurations (2). The sialic acid terminations are of particular interest because molecules with these motifs most likely represent the endogenous ligands for ASGPR (14).

  1. Stockert, R. J. (1995) Physiol. Rev. 75:591.
  2. Weigel, P.H. and J.H.N. Yik (2002) Biochim. Biophys. Acta 1572:341.
  3. Meier, M. et al. (2000) J. Mol. Biol. 300:857.
  4. Spiess, M. et al. (1985) J. Biol. Chem. 260:1979.
  5. Spiess, M. and H.F. Lodish (1986) Cell 44:177.
  6. Bischoff, J. et al. (1988) J. Cell Biol. 106:1067.
  7. Yik, J.H.N. et al. (2002) J. Biol. Chem. 277:40844.
  8. Monroe, R.S. and B.E. Huber (1994) Gene 148:237.
  9. Yik, J.H.N. et al. (2002) J. Biol. Chem. 277:23076.
  10. Bider, M.D. et al. (1996) J. Biol. Chem. 271:31996.
  11. Lodish, H. (1991) Trends Biochem. Sci. 16:374.
  12. Park, J-H. et al. (2006) Biotechnol. Lett. 28:1061.
  13. Westerlind, U. et al. (2004) Glyconj. J. 21:227.
  14. Park, E.I. et al. (2005) Proc. Natl. Acad. Sci. USA 102:17125.
  15. Park, E.I. et al. (2003) J. Biol. Chem. 278:4597.
Long Name
Asialoglycoprotein Receptor 1
Entrez Gene IDs
432 (Human); 11889 (Mouse); 24210 (Rat)
Alternate Names
ASGPR 1; ASGP-R 1; ASGPR; ASGPR1; ASGR1; asialoglycoprotein receptor 1; CLEC4H1; CLEC4H1ASGPR1; C-type lectin domain family 4 member H1; Hepatic lectin H1; HL-1; MHL1; RHL1

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Isotype Controls

Reconstitution Buffers

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