CD131 Protein, Human (HEK293, hFc)

The CD131 protein is a cell surface receptor that plays a critical role in the immune response and controls the generation and differentiation of hematopoietic progenitor cells. CD131 Protein, Human (HEK293, hFc) is the recombinant human-derived CD131 protein, expressed by HEK293, with C-hFc labeled tag.

CD131, a cell surface receptor, plays a pivotal role in immune response by controlling the production and differentiation of hematopoietic progenitor cells into lineage-restricted cells. Through the formation of a heterodimeric receptor with various partners such as IL3RA, IL5RA, or CSF2RA, CD131 engages in multiple signaling pathways, including interleukin-3, interleukin-5, and granulocyte-macrophage colony-stimulating factor/CSF2 pathways. In unstimulated conditions, CD131 constitutively interacts with JAK1, and ligand binding leads to JAK1 stimulation, triggering the activation of the JAK-STAT pathway. CD131 forms a heterodimer composed of an alpha and a beta subunit, with the beta subunit being common to the IL3, IL5, and GM-CSF receptors. The GM-CSF receptor complex, involved in signaling, is a dodecamer consisting of two head-to-head hexamers of two alpha, two beta, and two ligand subunits. CD131 further interacts with TMEM102, FCER1G, LYN, and JAK1, contributing to its intricate role in cellular responses.

Human

HEK293

C-hFc

P32927 (W17-W443)

1439

Approximately 80-100 kDa,based on SDS-PAGE under reducing conditions,due to the glycosylation.

Greater than 95% as determined by reducing SDS-PAGE..

Lyophilized powder.

Lyophilized from 0.22 μm filtered solution of 50 mM Tris, 100 mM Glycine, 25 mM Arginine, 150 mM NaCl, pH7.5 with trehalose as protectant.
Note: For SPR assay, please replace the buffer. Primary amine components (e.g., Tris, imidazole) can affect protein-coupled chips.

<1 EU/μg, determined by LAL method.

It is not recommended to reconstitute to a concentration less than 100 μg/mL in ddH₂O. For long term storage it is recommended to add a carrier protein (0.1% BSA, 5% HSA, 10% FBS or 5% Trehalose).

Stored at -20°C for 2 years from date of receipt. After reconstitution, it is stable at 4°C for 1 week or -20°C for longer (with carrier protein). It is recommended to freeze aliquots at -20°C or -80°C for extended storage.

Room temperature in continental US; may vary elsewhere.