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IgG2b kappa

Mouse

> 95% by SDS-PAGE stained by Coomassie Blue
Endotoxin level < 1 EU/μg

Measured by neutralization of interferon in cytopathic effect inhibition assay.

Neutralizes human IFN-alpha; binds to human IFN-alpha with high affinity (KA~ 109 M-1)

Phosphate-buffered saline (PBS) containing 0.1% bovine serum albumin (BSA)

A combination of ion exchange, hydrophobic interaction and size exclusion chromatography

For retention of full activity store at -70°C or below and avoid repeated freeze/thaw cycles