APL5125 | APL5125 : Inhibitor of CSNK2A
RATINGS:
Cellular Use: (2 reviews)

In Model Organisms: (2 reviews)
Control Compounds
Chemical Information
Vendors

Probe Summary

Targets Biochemical/Biophysical Potency Cellular Potency
CSNK2A1
  • IC50:0.35 nM
  • Kd:1.4 nM
  • Ki:0.095 ± 0.052 nM
  • IC50:5.56 nM
  • GI50:325 ± 110 nM
  • IC50:27.8 nM
Inhibitor
100 nM

Selectivity

In Vitro Selectivity Assessment
Potency Assay Off-Target:
CK2a =0.095 ± 0.052; CLK2 129 ± 67; DAPK3 =60 ± 25; HIPK3 =1,002 ± 550; DYRK2= 833 ± 305
Selectivity Assessment Description:
ADP-Glo Assay
In Vitro Selectivity Assessment
Potency Assay Off-Target:
Screening at 100 nM (i.e., 1000-fold CK2α Ki) against 468 kinases using the KINOMEscanTM scanMAX pan ...
In Vitro Selectivity Assessment
Potency Assay Off-Target:
Screening at 1 μM against a panel of 87 enzymes, ion channels, receptors and transporters (SafetyScr ...

Potency
Cellular
In Vitro

CSNK2A1

Mode of Action: Inhibitor

Structure-Activity-Relationship data available? Yes

DOI Reference: 10.1021/acs.jmedchem.5c01807

In Vivo Validations

Mouse
Dose: 3 mg/kg
Route of delivery: Intravenous
Plasma half life: 1.6 h
Systemic clearance: 12.6 mL/min/Kg
Volume of Distribution at Steady-State: 0.32 L/Kg

DOI Reference: 10.1021/acs.jmedchem.5c01807

Rat
Dose: 3 mg/kg
Route of delivery: Intravenous
Plasma half life: 2.5 h (Avg)
Systemic clearance: 6.9 mL/min/Kg (Avg)
Volume of Distribution at Steady-State: 0.38 L/Kg (Avg)

DOI Reference: 10.1021/acs.jmedchem.5c01807

Dog
Dose: 3 mg/Kg
Route of delivery: Intravenous
Plasma half life: 3.8 h
Systemic clearance: 2.8 mL/min/Kg
Volume of Distribution at Steady-State: 0.35 L/Kg

DOI Reference: 10.1021/acs.jmedchem.5c01807

Chemical Information

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Expert Reviews


(on 2 May 2026)
Cellular Use Rating
In Model Organisms
(The reviewer did not leave any public comments)
(on 13 May 2026)
Cellular Use Rating
In Model Organisms
An inactive control would render this probe more useful. A more comprehensive PK study of the molecule in mice (different vehicles with PK data) would be advisable particularly as mice are the most widely...
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