Recombinant Human Transforming Growth Factor - alpha

Product Specifications

Source

Escherichia coli

Field of Research

Stem Cell & Developmental Biology

Endotoxin

Less than 0.1 EU/ug of rHuTGF-α as determined by LAL method.

Purity

>95% by SDS-PAGE analyses.

Bioactivity

Measured in a cell proliferation assay using Balb/3T3 mouse embryonic fibroblast cells. The ED50 for this effect is 0.1-0.4 ng/ml.

Form

Lyophilized from 0.2 μm filtered concentrated solution in Acetonitrile and TFA.

Molecular Weight

Approximately 6 kDa, a single non-glycosylated polypeptide chain containing 50 amino acids.

Storage Conditions

Use a manual defrost freezer and avoid repeated freeze-thaw cycles.- 12 months from date of receipt, -20 to -70 °C as supplied.- 1 month, 2 to 8 °C under sterile conditions after reconstitution.- 3 months, -20 to -70 °C under sterile conditions after reconstitution.