Supplied as a 0.2 μm filtered solution of 20mM Tris-HCl, 150mM NaCl, pH 8.0.
纯度:
Greater than 95% as determined by reducing SDS-PAGE.
内毒素:
Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
生物活性:
Measured by its ability to hydrolyze 4-Nitrophenyl -alpha -D-galactopyranoside. The specific activity is 2835 pmol/min/µg.
保存条件:
Store at ≤-70°C, stable for 6 months after receipt. Store at ≤-70°C, stable for 3 months under sterile conditions after opening. Please minimize freeze-thaw cycles.