Compound name
IHMT-MST1-58
Protein family
Protein Kinase
Target name
STK4
Affinity biochemical (nM)
23
Affinity on-target cellular (nM)
1000, 1000
CG-Set
Kinase set
Recommended Concentration
1 µM
Compound EUbOPEN ID
EUB0001905a
SMILES
O=S(C1=CC=C(NC(N=C2N(C)C3C4=CC=CC=C4C)=NC=C2N(C)C3=O)C=C1)(N)=O
InChIKey
FWEIAKDAIDQPRK-UHFFFAOYSA-N
NCBI gene ID
6789
UniProt ID
Q13043
Synonyms
MST1, KRS2, YSK3
Mode of action
Inhibitor
Affinity biochemical definition
IC50
Affinity biochemical assay type
ADP-Glo assay (using 50 µM ATP)
Affinity Biochemical Source Knowledge
https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926
Affinity biochemical relation
=
Affinity on-target cellular definition
EC50,EC50
Affinity on-target cellular assay type
Immunoblot assay (phosphorylation of MST1(T183), using HepG2 liver cells), Immunoblot assay (phosphorylation of MST2(T180), using HepG2 liver cells)
Affinity on-target cellular source knowledge
https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926
https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926
Affinity on-target cellular relation
<,<
Selectivity platform
KINOMEscan (Eurofins)
Selectivity platform number of targets
468
Selectivity remarks
Screened at 1 µM, closest targetsas % of control: NEK3 (0.85%), STK4 (100%), STK3 (52%), full screening data are available as supporting info, https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926;
In-vitro potency (ADP-Glo assay, using 50 µM ATP): IC50(STK3) = 652 nM, https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926;
In-vitro potency (HTRF assay, using 100 µM ATP): IC50(NEK3) >10 µM, https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926;
In-vitro potency (Competition-binding assay, Eurofins): Kd(STK4) = 240 nM, https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926;
In-vitro potency (Competition-binding assay, Eurofins): Kd(STK3) = 2700 nM, https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926;
In-vitro potency (ADP-Glo assay, using 50 µM ATP): IC50(STK3) = 652 nM, https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926;
In-vitro potency (HTRF assay, using 100 µM ATP): IC50(NEK3) >10 µM, https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926;
In-vitro potency (Competition-binding assay, Eurofins): Kd(STK4) = 240 nM, https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926;
In-vitro potency (Competition-binding assay, Eurofins): Kd(STK3) = 2700 nM, https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926;
Selectivity Source Knowledge
https://pubs.acs.org/doi/10.1021/acs.jmedchem.2c00926
Selectivity Number of Off-targets
1