Key Product Details

Species Reactivity

Human

Applications

Intracellular Staining by Flow Cytometry

Label

Alexa Fluor 750 (Excitation = 749 nm, Emission = 775 nm)

Antibody Source

Monoclonal Mouse IgG1 Clone # 743320
View all LAMP-2/CD107b Primary Antibodies »

Product Specifications

Immunogen

Mouse myeloma cell line NS0-derived recombinant human LAMP2/CD107b
Leu29-Phe375
Accession # P13473

Specificity

Detects human LAMP2/CD107b in direct ELISAs and Western blots. In direct ELISAs and Western blots, no cross-reactivity with recombinant human LAMP1 is observed.

Clonality

Monoclonal

Host

Mouse

Isotype

IgG1

Applications for Human LAMP-2/CD107b Alexa Fluor® 750-conjugated Antibody

Application
Recommended Usage

Intracellular Staining by Flow Cytometry

0.25-1 µg/106 cells
Sample: HeLa human cervical epithelial carcinoma cell line fixed with paraformaldehyde and permeabilized with saponin

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Flow Cytometry

Formulation, Preparation, and Storage

Purification

Protein A or G purified from hybridoma culture supernatant

Formulation

Supplied 0.2 mg/mL in a saline solution containing BSA and Sodium Azide.

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: LAMP-2/CD107b

Lysosomal associated membrane protein 2 (LAMP2), also known as CD107b and LGP110, is an approximately 110 kDa transmembrane glycoprotein that is a major component of lysosomal membranes (1). Mature human LAMP2 consists of a 347 amino acid (aa) intralumenal domain, a 24 aa transmembrane segment, and a 35 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 a human LAMP2 isoform (LAMP2B) with a substituted juxtamembrane lumenal region, transmembrane segment, and cytoplasmic tail (4). Within the lumenal domain, human LAMP2 shares approximately 64% aa sequence identity with mouse and rat LAMP2. LAMP2 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, LAMP2 is expressed in the membranes of intracellular granules that contain effector molecules such as perforin, granzymes, eicosanoids, and histamine (8-10). Up‑regulated LAMP2 at the plasma membrane serves as an indicator of cell activation of CD8+ T cells, mast cells, monocytes, and platelets (9-12). LAMP2 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. Konecki, D.S. et al. (1995) Biochem. Biophys. Res. Commun. 215:757.
  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

P13473

Additional LAMP-2/CD107b Products

Product Documents for Human LAMP-2/CD107b Alexa Fluor® 750-conjugated Antibody

Certificate of Analysis

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Product Specific Notices for Human LAMP-2/CD107b Alexa Fluor® 750-conjugated Antibody


This product is provided under an agreement between Life Technologies Corporation and R&D Systems, Inc, and the manufacture, use, sale or import of this product is subject to one or more US patents and corresponding non-US equivalents, owned by Life Technologies Corporation and its affiliates. The purchase of this product conveys to the buyer the non-transferable right to use the purchased amount of the product and components of the product only in research conducted by the buyer (whether the buyer is an academic or for-profit entity). The sale of this product is expressly conditioned on the buyer not using the product or its components (1) in manufacturing; (2) to provide a service, information, or data to an unaffiliated third party for payment; (3) for therapeutic, diagnostic or prophylactic purposes; (4) to resell, sell, or otherwise transfer this product or its components to any third party, or for any other commercial purpose. Life Technologies Corporation will not assert a claim against the buyer of the infringement of the above patents based on the manufacture, use or sale of a commercial product developed in research by the buyer in which this product or its components was employed, provided that neither this product nor any of its components was used in the manufacture of such product. For information on purchasing a license to this product for purposes other than research, contact Life Technologies Corporation, Cell Analysis Business Unit, Business Development, 29851 Willow Creek Road, Eugene, OR 97402, Tel: (541) 465-8300. Fax: (541) 335-0354.

For research use only

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