Human IL-18 BPa, C-His Tag Protein
Catalog# HA210686
Human IL-18 BPa, C-His Tag Protein
Product Information
Product name
Human IL-18 BPa, C-His Tag Protein
Catalog No.
HA210686
Predicted molecular mass
19 kD
Protein construction description
A DNA sequence encoding the human IL-18 BPa protein (O95998-2) (Thr 31-Gly 194) was expressed with a His tag at the C-terminus.
Accession
O95998-2
Protein construction
IL-18 BPa (31-194)
His
Source
HEK293
Bio Activity
Testing in progress.
Purity
>95% as determined by SDS-PAGE.
Endotoxin
Less than 1.0 EU per μg by the LAL method.
Formulation
Lyophilized from a 0.2 μm filtered solution of PBS, pH7.4, 5% Trehalose, 5% mannitol.
Species
Human
Background
The protein encoded by this gene functions as an inhibitor of the proinflammatory cytokine, IL18. It binds IL18, prevents the binding of IL18 to its receptor, and thus inhibits IL18-induced IFN-gamma production, resulting in reduced T-helper type 1 immune responses. This protein is constitutively expressed and secreted in mononuclear cells. Elevated level of this protein is detected in the intestinal tissues of patients with Crohn's disease. Alternatively spliced transcript variants encoding different isoforms have been described for this gene. Isoform A binds to IL-18 and inhibits its activity. Functions as an inhibitor of the early TH1 cytokine response.
Usage guide
Shipping
In general, recombinant proteins are provided as lyophilized powder which are shipped with blue ice. Bulk packages of recombinant proteins are provided as frozen liquid which are shipped with dry ice.
Storage
Please avoid repeated freeze-thaw cycles. Samples are stable for up to twelve months from date of receipt at -20℃ to -80℃ It is recommended that aliquot the reconstituted solution to minimize freeze-thaw cycles.
Reconstitution
Reconstitute at 250 μg/ml in sterile water.
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