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StayBrite™ highly stable Luciferase utilizing a genetically modified variant(rLucHS) derived from the Luciferase of Diaphanes pectinealis
(Chinese Firefly) endemic to Yunnan province, China. It has been modified to provide enhanced stability compared to the normal
phenotype of Photinus pyralis, better sensitivity and performance at a broader and more physiologically relevant effective pH range. At
all pH's below ~8.2, BioVision's
rLucHS is significantly more active
than the commercial Photinus
luciferase and is stable for weeks
at room temperature and >60 min
at 37°C. The activity profile shows
a linear detection range for ATP
values as low 10 fmol/assay (1
nM). The specific activity of
rLucHS is ~ 5 x 1011 RLU/mg
protein. The assay can be fully
automated for high throughput &
is extremely sensitive. The high
sensitivity of this assay is ideal for
detecting ATP production or
consumption in various enzymatic
reactions.