Table 1 List of protein targets whose PTM level was detected with ImmunoBRET, and the corresponding experimental values obtained in this study.

From: Monitoring phosphorylation and acetylation of CRISPR-mediated HiBiT-tagged endogenous proteins

Target

Size, kDa

PTM

Ligand

EC50

95% CI

Inhibitor

IC50, nM

95% CI

EGFR-HiBiT

170

p-EGFR (Y1045)

EGF

7.819* ng/mL

5.803–10.69*

Gefitinib

30.19

26.62–33.74

p-EGFR (Y1068)

11.73* ng/mL

9.576–14.80*

21.57

15.21–31.12

p-EGFR (Y1173)

23.32* ng/mL

17.27–36.96*

12.07

7.975–18.47

P-Tyr-1000 MultiMab

14.61* ng/mL

12.90–16.74*

21.39

17.22–26.78

MET-HiBiT

84

p-MET (Y1349)

HGF

48.12 ng/mL

34.75–73.93

Crizotinib

25.4

21.51–32.41

STAT3-HiBiT(K562)

83–88

p-STAT3 (Y705)

IL-27

11.38 ng/mL

9.437–13.98

Ruxolitinib

6.919

4.928–9.338

STAT3-HiBiT(LNCaP)

IL-6

12.81 ng/mL

11.83–28.43

19.29

10.26–46.04

MAPK8-HiBiT

44–48

p-SAPK/JNK (T183/Y185)

TNF-α

1.617 ng/mL

0.6786–2.858

SP 600125

22,910

17,000–30,920

Anisomycin

53.11 nM

4.884–65.50

N/A

N/A

HiBiT-H3F3A

15

Ac-H3K9

Trichostatin A

0.4583 µM

0.3436–0.6040

N/A

N/A

N/A

Ac-H3K27

0.5363 µM

0.4052–0.7412

N/A

N/A

N/A

  1. *Data not shown.