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. 2019 Nov 28;24(23):4351. doi: 10.3390/molecules24234351

Table 4.

The binding affinity of hit-5 to PLKs-polo-box domain (PBD).

Compounds PLK1-PBD [μM] (a) PLK2-PBD [μM] (a) PLK3-PBD [μM] (a) PLK2-PBD/PLK1-PBD PLK3-PBD/PLK1-PBD
Hit-5 26 ± 5 >400 >400 >15 >15
Poloxin 34 ± 7 152 ± 11 284 ± 17 4.5 8.4
Thymoquinone 39 ± 6 46 ± 5 55 ± 10 1.2 1.4

(a) The results are representative of three independent experiments and are expressed as mean ± SD.