Human XCL1/Lymphotactin Antibody

Catalog # Availability Size / Price Qty
Chemotaxis Induced by XCL1/Lymphotactin and Neutralization by Human XCL1/Lymphotactin Antibody.
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Product Details
Citations (2)
Supplemental Products

Human XCL1/Lymphotactin Antibody Summary

Species Reactivity
Ddetects human XCL1/Lymphotactin in direct ELISAs and Western blots. 
Polyclonal Goat IgG
Antigen Affinity-purified
E. coli-derived recombinant human XCL1/Lymphotactin
Accession # P47992
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.
Endotoxin Level
<0.10 EU per 1 μg of the antibody by the LAL method.


Recommended Concentration
Western Blot
0.1 µg/mL
Recombinant Human XCL1/Lymphotactin (Catalog # 695-LT)
Measured by its ability to neutralize XCL1/Lymphotactin-induced chemotaxis in the BaF3 mouse pro‑B cell line transfected with human XCR1. The Neutralization Dose (ND50) is typically 3.00-30.0 µg/mL in the presence of 0.5 µg/mL Recombinant Human XCL1/Lymphotactin.

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

Neutralization Chemotaxis Induced by XCL1/Lymphotactin and Neutralization by Human XCL1/Lymphotactin Antibody. View Larger

Chemotaxis Induced by XCL1/Lymphotactin and Neutralization by Human XCL1/Lymphotactin Antibody. Recombinant Human XCL1/ Lymphotactin (695-LT) chemoattracts the BaF3 mouse pro-B cell line transfected with human XCR1 in a dose dependent manner (orange line). The amount of cells that migrated through to the lower chemotaxis chamber was measured by Resazurin (AR002). Chemotaxis elicited by Recombinant Human XCL1/ Lymphotactin (0.5 µg/mL) is neutralized (green line) by increasing concentrations of Goat Anti-Human XCL1/ Lymphotactin Antigen Affinity-purified Polyclonal Antibody (Catalog # AF695). The ND50 is typically 3.00-30.0 µg/mL.

Reconstitution Calculator

Reconstitution Calculator

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Preparation and Storage

Reconstitute at 0.2 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: XCL1/Lymphotactin

Human lymphotactin (Lptn)/XCL1 (also named human SCM-1 alpha and ATAC) and its mouse homologue belong to the C or gamma  subfamily of chemokines. The C chemokines lack two (the 1st and 3rd ) of the four invariant cysteine residues normally found in the CC and CXC chemokines and have an extended carboxy terminus. Human lymphotactin encodes a 114 amino acid residue precursor protein with a 21 amino acid residue predicted signal peptide. The expression of lymphotactin is abundant in some activated T cells such as activated CD8+ T cells and other class I MHC restricted T cells. Lptn expression is absent in CD4+ T cells. Human and mouse Lptn share approximately 60% amino acid sequence homology. The gene for lymphotactin has been mapped to chromosome 1 in both human and mouse. Recombinant human lymphotactin has been shown to have chemotactic activity for lymphocytes and NK cells. The orphan receptor GPR5 has been reported to be the specific receptor for Lptn.

  1. Kennedy, J. et al. (1995) J. Immunol. 155:203.
  2. Zlotnik, A. et al. (1999) Critical Reviews in Immunol. 19:1.
Long Name
Chemokine [C Motif] Ligand 1
Entrez Gene IDs
6375 (Human); 16963 (Mouse)
Alternate Names
ATAC; ATACSmall-inducible cytokine C1; C motif chemokine 1; chemokine (C motif) ligand 1; Cytokine SCM-1; LPTNSCM-1-alpha; LTNXC chemokine ligand 1; Lymphotactin; lymphotaxin; SCM-1 alpha; SCM-1; SCM1A; SCM-1a; SCYC1SCM1; single cysteine motif 1a; small inducible cytokine subfamily C, member 1 (lymphotactin); XCL1

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Citations for Human XCL1/Lymphotactin Antibody

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

2 Citations: Showing 1 - 2
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  1. The CD8-derived chemokine XCL1/lymphotactin is a conformation-dependent, broad-spectrum inhibitor of HIV-1.
    Authors: Guzzo C, Fox J, Lin Y, Miao H, Cimbro R, Volkman B, Fauci A, Lusso P
    PLoS Pathog, 2013;9(12):e1003852.
    Species: Human
    Sample Types: Recombinant Protein
    Applications: Co-Immunoprecipitation
  2. Comprehensive assessment of chemokine expression profiles by flow cytometry.
    Authors: Eberlein J, Nguyen TT, Victorino F, Golden-Mason L, Rosen HR, Homann D
    J. Clin. Invest., 2010;120(3):907-23.
    Species: Human
    Sample Types: Whole Cells
    Applications: Flow Cytometry


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Isotype Controls

Reconstitution Buffers

Secondary Antibodies

Goat IgG (H+L) Antibody


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