RPSA Antibody


Western Blot: RPSA Antibody [NBP1-51270] - Extracts from K562 cells.
Immunohistochemistry-Paraffin: RPSA Antibody [NBP1-51270] - Analyzes of Laminin-R (Q215) pAb in paraffin-embedded human tonsil tissue.

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RPSA Antibody Summary

Synthetic peptide, corresponding to amino acids 181-230 of Human Laminin-R.
Laminin-R (Q215) pAb detects endogenous levels of Laminin-R protein.
Immunogen affinity purified
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  • Western Blot 1:500-1:1000
  • Immunohistochemistry 1:10-1:500
  • Immunohistochemistry-Paraffin 1:50-1:200
Application Notes
Western blot (WB) analyzes of Laminin-R (Q215) pAb in extracts from K562 cells.
Immunohistochemistry (IHC) analyzes of Laminin-R (Q215) pAb in paraffin-embedded human tonsil tissue.
Theoretical MW
40 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.

Reactivity Notes

Human, Mouse, Rat

Packaging, Storage & Formulations

Store at 4C short term. Aliquot and store at -20C long term. Avoid freeze-thaw cycles.
PBS (pH 7.2)
0.05% Sodium Azide
1.0 mg/ml
Immunogen affinity purified

Alternate Names for RPSA Antibody

  • 37 kDa laminin receptor precursor
  • 37/67 kDa laminin receptor
  • 37LRPNEM/1CHD4
  • 67 kDa laminin receptor
  • 67kD, ribosomal protein SA
  • 67LR
  • Colon carcinoma laminin-binding protein
  • LAMBR37 kDa laminin receptor
  • laminin binding protein
  • laminin receptor 1 (67kD, ribosomal protein SA)
  • Laminin receptor 1
  • Laminin-binding protein precursor p40
  • LAMR 1
  • lamR
  • LAMR140S ribosomal protein SA
  • LBP
  • LBP/p40
  • LRP
  • LRP/LR
  • Multidrug resistance-associated protein MGr1-Ag
  • p40
  • ribosomal protein SA


Laminin receptor (Laminin-R) has a heterodimeric structure similar to that of receptors for other extracellular matrix proteins such as Fibronectin and Vitronectin. Incorporation of Laminin-R into lysosomal membranes makes it possible for lysosomes to attach to surfaces coated with Laminin. This and other properties identify Laminin-R as a member of the integrin family of cell adhesion receptors. The Laminin-R precursor is a polypeptide whose expression is consistently upregulated in aggressive carcinoma. The precursor, which is also identified as p40 ribosome-associated protein, appears to be a multifunctional protein involved in the translational machinery. Laminin-R (also known as colon carcinoma Laminin-binding protein) is found at nine-fold higher levels in colon carcinoma than in adjacent normal colonic epithelium. Addi-tionally, the level of the Laminin-R is higher in the lung cancer cell line than in the lung cell line.


This product is for research use only and is not approved for use in humans or in clinical diagnosis. Primary Antibodies are guaranteed for 1 year from date of receipt.

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Gene Symbol RPSA