BIIB129 | BIIB129 : Covalent Inhibitor of BTK
RATINGS:
Cellular Use: (1 reviews)

In Model Organisms: (1 reviews)
Control Compounds
Vendors

Probe Summary

Targets Biochemical/Biophysical Potency Cellular Potency
BTK
  • Kd:0.63 nM
  • Activity:4.6 (log kinact/Ki)
  • IC50:1.2 nM
  • IC50:1.9 nM
  • IC50:13 nM
  • IC50:7.1 nM
  • IC50:3.2 nM
  • INH:79 nM
Covalent Inhibitor
100 nM
up to 1 µM

Selectivity

In Vitro Selectivity Assessment
Potency Assay Off-Target:
KINOMEscan, Eurofins DiscoverX, for BIIB129 was performed at 1 μM concentration. Ten and 5 out of 40 ...
In Cell Selectivity Assessment
Potency Assay Off-Target:
BIIB129 shown to bind only 4 of 190 kinases (BTK TO50 = 6.8 nM, TEC TO50 = 18 nM, ITK TO50 = 308 nM ...

Potency
Cellular
In Vitro

BTK

Mode of Action: Covalent Inhibitor

Structure-Activity-Relationship data available? No

DOI Reference: 10.1021/acs.jmedchem.4c00220

In Vivo Validations

Rat
Dose:
Route of delivery: Intravenous
Plasma half life: 3.59 h
Systemic clearance: 25 mL./min/Kg
Bioavailability: 25%
Volume of Distribution at Steady-State: 4.3 L/Kg

DOI Reference: 10.1021/acs.jmedchem.4c00220

Monkey (Cynomolgus)
Dose:
Route of delivery: Intravenous
Plasma half life: 0.29 h
Systemic clearance: 53.5 mL/min/Kg
Bioavailability: 21%
Volume of Distribution at Steady-State: 1.19 L/Kg

DOI Reference: 10.1021/acs.jmedchem.4c00220

Chemical Information

Molecular Formula C19H22N6O2
InChI InChI=1S/C19H22N6O2/c1-5-17(26)24(4)14-8-19(2,9-14)27-18-16-6-7-20-25(16)12-15(22-18)13-10-21-23(3)11-13/h5-7,10-12,14H,1,8-9H2,2-4H3
Molecular weight 366.18 Da
AlogP 0.0
HBond acceptors 8
HBond donors --
Atoms 49

References

Cross References

canSAR

Expert Reviews


(on 20 Aug 2025 )
Cellular Use Rating
In Model Organisms
This BTK inhibitor has increased brain penetrance and a reasonable safety profile, making it a good probe of choice for studying BTK in neurological diseases. Its selectivity over most other kinases is...
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