Human Granulysin Antibody

Catalog # Availability Size / Price Qty
Human Granulysin ELISA Standard Curve.
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Product Details
Supplemental Products

Human Granulysin Antibody Summary

Species Reactivity
Detects human Granulysin in sandwich ELISAs.
Monoclonal Mouse IgG2A Clone # 786314
Protein A or G purified from hybridoma culture supernatant
Mouse myeloma cell line NS0-derived recombinant human Granulysin
Accession # P22749
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

This antibody functions as an ELISA detection antibody when paired with Mouse Anti-Human Granulysin Monoclonal Antibody (Catalog # MAB3138).

This product is intended for assay development on various assay platforms requiring antibody pairs. We recommend the Human Granulysin DuoSet ELISA Kit (Catalog # DY3138) for convenient development of a sandwich ELISA.


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

Human Granulysin ELISA Standard Curve. Recombinant Human Granulysin protein was serially diluted 2-fold and captured by Mouse Anti-Human Granulysin Monoclonal Antibody (MAB3138) coated on a Clear Polystyrene Microplate (DY990). Mouse Anti-Human Granulysin Monoclonal Antibody (Catalog # MAB31381) was biotinylated and incubated with the protein captured on the plate. Detection of the standard curve was achieved by incubating Streptavidin-HRP (DY998) followed by Substrate Solution (DY999) and stopping the enzymatic reaction with Stop Solution (DY994).

Reconstitution Calculator

Reconstitution Calculator

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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: Granulysin

Granulysin (formerly NKG5 or Lymphokine LAG-2) is a member of the saposin-like protein (SAPLIP) family of membrane disrupting proteins (1). Granulysin is expressed in granules of natural killer and activated cytotoxic T cells. It exhibits cytolytic activity against intracellular or extracellular microbes and also tumors, either alone or in synergy with perforin (2). Human granulysin has structural similarity and 30 - 40% aa identity to granulysins and NK-lysins of other mammals such as bovine, porcine and canine; similar peptides in rodents have not been identified (1). The 15 kDa unglycosylated protein contains five helical domains; helix 2 and 3 contain 9 arginines and one cysteine critical for activity. Peptides of either helix 2 or 3 will lyse bacteria, while helix 3 is needed to lyse tumor targets (3, 4). One isoform designated 519 uses a different start codon, has no signal peptide sequence and is poorly expressed (5). A post-translationally processed 9 kDa form is present in acidified granules and is less lytic than the 15 kDa form at granule pH (6). IL-15 is necessary and sufficient for granulysin upregulation in CD8 T cells (2). Nanomolar granulysin promotes chemotaxis and increases production of chemokines by monocytic cells, while micromolar local concentrations are needed for lysis (7). Experimental evidence supports the following mechanism for activity against intracellular pathogens (8). First, granulysin forms clusters in lipid rafts due to interaction of positive charges in helices 2-3 with acidic sphingolipids. After endocytosis, early endosomes fuse with phagosomes, probably regulated by small GTPase rab5. Granulysin binds microbial membranes through charge interactions and disrupts them, probably via scissoring actions of granulysin molecules (9, 10).

  1. Clayberger, C. and A.M. Krensky (2003) Curr. Opin. Immunol. 15:560.
  2. Ma, L.L. et al. (2002) J. Immunol. 169:5787.
  3. Wang, Z. et al. (2000) J. Immunol. 165:1486.
  4. Linde, C.M.A. et al. (2005) Infect. Immun. 73:6332.
  5. Yabe, T. et al. (1990) J. Exp. Med. 172:1159.
  6. Hanson, D.A. et al. (1999) Mol. Immunol. 36:413.
  7. Deng, A. et al. (2005) J. Immunol. 174:5243.
  8. Walch, M. et al. (2005) J. Immunol. 174:4220.
  9. Ernst, W.A. et al. (2000) J. Immunol. 165:7102.
  10. Anderson, D.H. et al. (2003) J. Mol. Biol. 325:355.
Entrez Gene IDs
10578 (Human)
Alternate Names
D2S69Elymphocyte-activation gene 2; GNLY; Granulysin; LAG2; LAG-2; Lymphokine LAG-2; Lymphokine; NKG5; NKG5519; Protein NKG5; TLA519; TLA519T-cell activation protein 519; T-lymphocyte activation gene 519

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Isotype Controls

Mouse IgG2A Isotype Control

Reconstitution Buffers

Secondary Antibodies

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