Lyophilized from sterile PBS, pH 7.4, 5 % trehalose and 5 % mannitol.
Bio-activity
Measured by its binding ability in a functional ELISA. Immobilized recombinant human IL1B at 2 μg/mL (100μl/well) can bind recombinant human IL1R2 with a linear range of 6.25-400 ng/ml. Measured in a cell proliferation assay using D10.G4.1 mouse helper T
Molecular Mass
Recombinant Human IL1β consisting of 154 amino acids migRates with an apparent molecular mass of 17 kDa as estimated in SDS-PAGE under reducing conditions.
Endotoxin
< 1.0 EU per 1 microgram of protein (determined by LAL method).
Purity
> 95 % by SDS-PAGE.
BACKGROUND
Background
Serine protease inhibitor that inhibits plasminogen activators and plasmin but not thrombin. May be involved in the formation or reorganization of synaptic connections as well as for synaptic plasticity in the adult nervous system. May protect neurons from cell damage by tissue-type plasminogen activator.
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