辣根過氧化物酶作為標記物廣泛用于各種免疫化學包括酶聯免疫反應、免疫印跡和免疫組化中。此外，它也用于臨床檢測中過氧化氫的檢測。
Appearance: Reddish-brown amorphous powder, lyophilized
Source: Horseradish
Enzyme Commission Number: EC 1.11.1.7
CAS Number: 9003-99-0
Storage temperature: -20℃
Activity: ≥250 Purpurogallin U/mg solid
Unit definition: One purpurogallin unit causes the formation of one milligram of purpurogallin in 20s at pH 6.0 at 20 °C.
PROPERTIES
Stability: Stable at -20℃ for at least one year
Molecular weight ~40 kDa (SDS-PAGE)
Isoelectric point 7.2
Optimum pH: 6.5
Optimum temperature: 45℃
pH Stability 5.0~10.0(30℃,16hr)
Thermal stability < 50℃ (pH 6.0,15min)
Inhibitors Cyanide, sulfide, fluoride, azide