Human IL12RB1, C-His Tag (ECD)

RMB: 599 特惠 1619 1619

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Catalog# HA210728

Human IL12RB1, C-His Tag (ECD)

Product Information

Product name

Human IL12RB1, C-His Tag (ECD)

Catalog No.

HA210728

Predicted molecular mass

58.5 kD

Protein construction description

A DNA sequence encoding the human IL12RB1 protein (P42701) (Cys 24-Glu 540) was expressed with a His tag at the C-terminus.

Accession

P42701

Protein construction

IL12RB1 (24-540 ) His

Source

HEK293

Bio Activity

Testing in progress.

Purity

>90% 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

Interleukin 12 (IL-12) is a key mediator of cellular-immunity and induces the differentiation of Th1 cells from precursor T helper cells. The biological activities of IL-12 are mediated through the high-affinity receptor complex composed of two subunits designated IL-12 R beta 1 and IL-12 R beta 2. Individually, IL-12 R beta 1 and IL-12 R beta 2 bind IL-12 with low affinity. Co-expression of both subunits confers high-affinity binding and is required for IL-12 activity. Both IL-12 receptor subunits are type I membrane proteins that share similarities with the gp130/G-CSF R subgroup in the cytokine receptor superfamily. IL-12 R beta 1 cDNA encodes a 662 amino acid (aa) residue protein with a putative 23 aa residue signal peptide that is cleaved to generate the mature protein with a 522 aa residue extracellular domain, a 25 aa residue transmembrane domain and a 92 aa residue cytoplasmic region. Expression of IL-12 R beta 1 has been detected in activated T cells, NK cells and B cells. The expression of IL-12 R beta 2 is more restricted and appears to be limited to Th2 cells.

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.