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β-Galactosidase Mutein

from E. coli overproducer, lyophilizate

For further processing only.

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Order information
β-Galactosidase Mutein material number and pack size:
Material Number Pack Size
11184024103 custom fill
Will be supplied as "β-Galactosidase Mutein". Unit of measure is "mg active ingredient".
Use β-Galactosidase Mutein to eliminate β-galactosidase directed interferences in immunoassays derived from human sera.
β-Galactosidase Mutein is identical to native β-galactosidase with respect to immuno-reactivity, conjugation, properties, surface charge, hydrophobicity, molecular weight, production procedure and down stream processing.
Appearance: White lyophilizate
Solubility: Clear, colorless to light opalescent solution in water (c=20 mg/mL)
Protein (Biuret): 0.15-0.30 mg/mg lyophilizate
Specific activity (10 mg/mL, +37°C, 2-nitrophenyl-β-D-galactopyranoside): ≤0.2 U/mg protein
Aggregated β-Galactose Mutein (TSK 4000): ≤10%
Immunoreactivity (based on ML): 80-120%
Stability: At -15 to -25°C within specification range for 24 months.