JNJ-3738 | JNJ-3738 : Covalent Inhibitor of CDK7
RATINGS:
Cellular Use: (3 reviews)

In Model Organisms: (3 reviews)
Vendors

Probe Summary

Targets Biochemical/Biophysical Potency Cellular Potency
CDK7
  • IC50:58 nM
  • IC50:4 nM
up to 1 uM

Selectivity

In Vitro Selectivity Assessment
Potency Assay Off-Target:
Selectivity within target family: Good CDK familiy selectivity: Closest family member is CDK9 (45 % ...

Potency
Cellular
In Vitro

CDK7

Mode of Action: Covalent Inhibitor

Structure-Activity-Relationship data available? No

Other Reference: Peer reviewed at SGC

In Vivo Validations

Mouse
Dose: 0.5 mg/Kg
Route of delivery: Intravenous
Plasma half life: 1.49 h
Systemic clearance: 85 mL/min/kg
Volume of Distribution at Steady-State: 4.36 L/Kg

Other Reference: Peer reviewed at SGC

Dose: 5 mg/Kg
Route of delivery: Oral
Cmax: 0.11 uM
Tmax: 1.67 h
Area Under the Curve:: 0.43 mM*h
Bioavailability: 25%

Other Reference: Peer reviewed at SGC

Rat
Dose: 1 mg/Kg
Route of delivery: Intravenous
Systemic clearance: 66 mL/min/Kg
Volume of Distribution at Steady-State: 2.96 L/Kg

Other Reference: Peer reviewed at SGC

Dose: 5 mg/Kg
Route of delivery: Oral
Cmax: 0.11 uM
Tmax: 1.00 h
Area Under the Curve:: 0.67 mM*h
Bioavailability: 29%

Other Reference: Peer reviewed at SGC

Dog
Dose: 1 mg/Kg
Route of delivery: Intravenous
Plasma half life: 1.81 h
Systemic clearance: 19 mL/min/kg
Volume of Distribution at Steady-State: 2.82 L/Kg

Other Reference: Peer reviewed at SGC

Dose: 5 mg/Kg
Route of delivery: Oral
Cmax: 0.33 uM
Tmax: 1.67 h
Area Under the Curve:: 2.02 mM*h
Bioavailability: 27%

Other Reference: Peer reviewed at SGC

Negative Control Compounds

JNJ-6240
Notes: JNJ-6240: IC50 ~ 200 nM (KMATP app ~30 µM; fluorescent end-point assay); PD: Detection of p-RNA pol II Ser 5 in A549 cells after 3 hrs incubation with probe: IC50 > 10 µM; C312S mutant: IC50 > 10 µM
SMILES: CC(N1CC(C1)N1CCC(CC1)c1cc(C)c2c(c1)Nc1c(c(ncn1)N1CCS(CC1)(=O)=O)[C@@H](C)O2)=O

Chemical Information

Molecular Formula C29H36N6O4S
SMILEs CC#CC(=O)N1CC(N2CCC(c3cc(C)c4c(c3)Nc3ncnc(N5CCS(=O)(=O)CC5)c3[C@@H](C)O4)CC2)C1
InChI InChI=1S/C29H36N6O4S/c1-4-5-25(36)35-16-23(17-35)33-8-6-21(7-9-33)22-14-19(2)27-24(15-22)32-28-26(20(3)39-27)29(31-18-30-28)34-10-12-40(37,38)13-11-34/h14-15,18,20-21,23H,6-13,16-17H2,1-3H3,(H,30,31,32)/t20-/m1/s1
Molecular weight 564.25 Da
AlogP 2.630320000000001
HBond acceptors 10
HBond donors 1
Atoms 76

Expert Reviews


(on 18 Dec 2024)
Cellular Use Rating
In Model Organisms
(The reviewer did not leave any public comments)
(on 3 Feb 2025)
Cellular Use Rating
In Model Organisms
JNJ-3738 is a potent, irreversible covalent inhibitor specifically targeting CDK7. It exhibits remarkable selectivity for CDK7 over other CDKs, due to its binding to the cysteine 312 residue unique to...
(on 9 Jul 2026)
Cellular Use Rating
In Model Organisms
We recommend JNJ-3738 as a highly potent and selective inhibitor of CDK7 through binding to Cys312. It has 100 fold selectivity within the CDK family, as well as excellent proteome wide selectivity. The...
If you would like to explore AI-generated evaluations, you may wish to visit the page for this compound on our collaborator website
Note: The Chemical Probes Portal only endorses compounds as chemical probes for use as specific and selective modulators of the proposed target if they receive three or more (3-4) stars. Read more about our evaluation criteria