Catalog No.

AHC13501

Biological activity

Measured in a cell proliferation assay using human erythroleukemic cells (TF-1). The ED50 for this effect is 85-340 pg/mL, corresponding to a specific activity of 2.94 × 10^6-1.17× 10^7 units/mg.

expression system

Mammalian Cells

Species

Homo sapiens (Human)

Protein length

His25-Ser153

Nature

Recombinant

Endotoxin level

<0.1 EU/μg of the protein by the LAL method.

Purity

>90% as determined by SDS-PAGE.

Accession

P05112

Applications

Bioactivity, ELISA, Immunogen, SDS-PAGE, WB

Form

Lyophilized

Storage buffer

Lyophilized from a solution in PBS pH 7.4, 5% Trehalose, 5% Mannitol.

Reconstitution

Reconstitute in sterile water for a stock solution.

Shipping

In general, proteins are provided as lyophilized powder/frozen liquid. They are shipped out with dry ice/blue ice unless customers require otherwise.

Stability and Storage

Use a manual defrost freezer and avoid repeated freeze thaw cycles. Store at 2 to 8°C for one week. Store at -20 to -80°C for twelve months from the date of receipt.

Alternative Names

Binetrakin, B-cell stimulatory factor 1, Pitrakinra, Lymphocyte stimulatory factor 1, IL-4, BSF-1, IL4, Interleukin-4