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IL-16 is a CD8+ T cell-derived cytokine that induces chemotaxis of CD4+ T cells, CD4+ monocytes, and eosinophils.  Analysis by gel filtration suggests that, under physiological conditions, hIL-16 exists predominantly as a noncovalently linked multimer, but that some IL-16 may exist as a monomer.  However, only the multimeric form appears to possess chemotactic activity, suggesting that receptor cross-linking may be required for activity.  IL-16 also induces expression of IL-2 receptor (IL-2R) and MHC class II molecules on CD4 + T cells.  Human and murine IL-16 show significant cross-species reactivity.  Recombinant Human IL-16 is a 12.4 kDa protein consisting of 121 amino acid residues.

Manufactured using all Animal-Free reagents.

Source: E.coli

Synonyms: LCF (Lymphocyte Chemoattractant Factor)

AA Sequence: SAASASAASD VSVESTAEAT VCTVTLEKMS AGLGFSLEGG KGSLHGDKPL TINRIFKGAA SEQSETVQPG DEILQLGGTA MQGLTRFEAW NIIKALPDGP VTIVIRRKSL QSKETTAAGD S

Purity: ≥ 98% by SDS-PAGE gel and HPLC analyses.

Biological Activity: Determined by its ability to chemoattract human peripheral blood lymphocytes using a concentration range of 50.0-1000.0 ng/ml.