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. Author manuscript; available in PMC: 2015 Dec 13.
Published in final edited form as: Bioessays. 2015 Dec;37(12):1338–1349. doi: 10.1002/bies.201500115

Table 2.

Biochemical properties of FRET-based ABA reporters

ABA reporter ABA
receptor
K’d
[µM]
In vitro DR
ABACUS1-2 µ PYL1 H87P 2 1.6
ABACUS1-80 µ PYL1 80 2.6
ABAleon2.1 PYR1 0.1 1.1
ABAleon2.15 PYR1 H115A 0.5 1.1

Indicated are the reporter names, the ABA receptor incorporated in the sensory module, their apparent ABA affinity (K’d) and in vitro dynamic range (DR) calculated from ABA-bound emission ratio/ ABA-unbound emission ratio.