Recombinant Mouse LAMP-2/CD107b Fc Chimera Protein, CF

R&D Systems, part of Bio-Techne | Catalog # 10552-LM

R&D Systems, part of Bio-Techne
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Key Product Details

Source

NS0

Accession #

P17047.2

Structure / Form

Dilsulfide-linked homodimer

Conjugate

Unconjugated

Applications

Bioactivity

View all LAMP-2/CD107b Proteins and Enzymes »

Product Specifications

Source

Mouse myeloma cell line, NS0-derived mouse LAMP-2/CD107b protein
Mouse LAMP-2/CD107b
(Leu26-Asn379)
Accession # P17047.2		 IEGRMDP Mouse IgG2a
(Glu98-Lys330)
N-terminus C-terminus

Purity

>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.

Endotoxin Level

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

N-terminal Sequence Analysis

Leu26

Predicted Molecular Mass

66 kDa

SDS-PAGE

109-122 kDa, under reducing conditions

Activity

Measured by its binding ability in a functional ELISA.
When Recombinant Mouse LAMP‑2/CD107b Fc Chimera is immobilized at 1 μg/mL (100 μL/well), it binds to Recombinant Human Galectin-3 (Catalog # 1154-GA) with an ED50 of 0.1-10 μg/mL.

Scientific Data Images for Recombinant Mouse LAMP-2/CD107b Fc Chimera Protein, CF

Recombinant Mouse LAMP-2/CD107b Fc Chimera Protein Binding Activity

Recombinant Mouse LAMP-2/CD107b Fc Chimera Protein Binding Activity

When Recombinant Mouse LAMP‑2/CD107b Fc Chimera (Catalog # 10552-LM) is immobilized at 1 μg/mL (100 μL/well), it binds to Recombinant Human Galectin-3 (1154-GA) with an ED50 of 0.1-10 μg/mL
Recombinant Mouse LAMP-2/CD107b Fc Chimera Protein SDS-PAGE

Recombinant Mouse LAMP-2/CD107b Fc Chimera Protein SDS-PAGE

2 μg/lane of Recombinant Mouse LAMP-2/CD107b Fc Chimera (Catalog # 10552-LM) was resolved with SDS-PAGE under reducing (R) and non-reducing (NR) conditions and visualized by Coomassie® Blue staining, showing bands at 109-122 kDa and 210-240 kDa, respectively.

Formulation, Preparation and Storage

10552-LM
Formulation Lyophilized from a 0.2 μm filtered solution in PBS.
Reconstitution Reconstitute at 500 μg/mL in PBS.
Shipping The product is shipped at ambient temperature. Upon receipt, store it 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.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.

Background: LAMP-2/CD107b

Lysosomal associated membrane protein 2 (LAMP-2), also known as CD107b and LGP110, is an approximately 110 kDa transmembrane glycoprotein that is a major component of lysosomal membranes (1). Mature mouse LAMP-2 consists of a 354 amino acid (aa) intralumenal domain, a 25 aa transmembrane segment, and a 11 aa cytoplasmic tail (2). Its lumenal domain is organized into two heavily N-glycosylated regions separated by a Ser/Pro-rich linker that carries a minor amount of O‑linked glycosylation (2, 3). Alternate splicing generates two additional mouse LAMP-2 isoforms (LAMP-2B and LAMP-2C) with a substituted juxtamembrane lumenal region, transmembrane segment, and cytoplasmic tail (4). Within the lumenal domain, mouse LAMP-2 shares approximately 64% and 81% aa sequence identity with human and rat LAMP-2, repectively. LAMP-2 itself is subject to lysosomal degradation following cleavage of its lumenal domain (5). It mediates the lysosomal uptake of the chaperone HSC73 in complex with cargo proteins and is required for the lysosomal destruction of autophagic vacuoles (6, 7). In cytotoxic T cells and mast cells, LAMP-2 is expressed in the membranes of intracellular granules that contain effector molecules such as perforin, granzymes, eicosanoids, and histamine (8-10). Up‑regulated LAMP-2 at the plasma membrane serves as an indicator of cell activation of CD8+ T cells, mast cells, monocytes, and platelets (9-12). LAMP-2 is a native ligand for lectins Galectin-1 and Galectin-3 (13‑15).

References

  1. Eskelinen, E.-L. et al. (2003) Trends Cell Biol. 13:137.
  2. Fukuda, M. et al. (1988) J. Biol. Chem. 263:18920.
  3. Carlsson, S.R. et al. (1988) J. Biol. Chem. 263:18911.
  4. Lichter-Konecki, U. et al. (1999) Differentiation 65:43.
  5. Cuervo, A.M. and J.F. Dice (2000) Traffic 1:570.
  6. Cuervo, A.M. and J.F. Dice (1996) Science 273:501.
  7. Tanaka, Y. et al. (1990) Nature 406:902.
  8. Peters, P.J. et al. (1991) J. Exp. Med. 173:1099.
  9. Betts, M.R. et al. (2003) J. Immunol. Meth. 281:65.
  10. Grutzkau, A. et al. (2004) Cytometry 61:62.
  11. Kannan, K. et al. (1996) Cell. Immunol. 171:10.
  12. Silverstein, R.L. and M. Febbraio (1992) Blood 80:1470.
  13. Skrincosky, D.M. et al. (1993) Cancer Res. 53:2667.
  14. Inohara, H. and Raz, A. (1994) Biochem. Biophys. Res. Commun. 201:1366.
  15. Ohannesian D.W. et al. (1994) Cancer Res. 54:5992.

Long Name

Lysosome-associated Membrane Glycoprotein 2

Alternate Names

CD107b, LAMP2, LAMPB, LGP110

Entrez Gene IDs

3920 (Human); 16784 (Mouse)

Gene Symbol

LAMP2

UniProt

P17047.2

Additional LAMP-2/CD107b Products

Product Documents for Recombinant Mouse LAMP-2/CD107b Fc Chimera Protein, CF

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Product Specific Notices for Recombinant Mouse LAMP-2/CD107b Fc Chimera Protein, CF

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