Chaetocin, a kind of natural product from Chaetomium, is a specific inhibitor of histone methyltransferase (HMT) SU (VAR) 3-9, with IC50 value of 0.6 μ M. Its IC50 to dSU (VAR) 3-9, mouse G9a and Streptospora crassa DIM5 were 0.8 μ M, 2.5 μ M and 3 μ M. It also inhibits thioredoxin reductase (TrxR) with an IC50 of 4 μM.
| Molecular Weight | 696.84 |
| Formula | C30H28N6O6S4 |
| CAS Number | 28097-03-2 |
| Solubility (25°C) | DMSO 21 mg/mL |
| Storage |
Powder -20°C 3 years ; 4°C 2 years In solvent -80°C 6 months ; -20°C 1 month |
| Species | Mouse | Rat | Rabbit | Guinea pig | Hamster | Dog |
| Weight (kg) | 0.02 | 0.15 | 1.8 | 0.4 | 0.08 | 10 |
| Body Surface Area (m2) | 0.007 | 0.025 | 0.15 | 0.05 | 0.02 | 0.5 |
| Km factor | 3 | 6 | 12 | 8 | 5 | 20 |
| Animal A (mg/kg) = Animal B (mg/kg) multiplied by | Animal B Km |
| Animal A Km |
For example, to modify the dose of Compound A used for a mouse (20 mg/kg) to a dose based on the BSA for a rat, multiply 20 mg/kg by the Km factor for a mouse and then divide by the Km factor for a rat. This calculation results in a rat equivalent dose for Compound A of 10 mg/kg.
| Related Histone Methyltransferase Products |
|---|
| SAH-EZH2
SAH-EZH2, a stable EZH2 α-helical peptide, is an EZH2/EED interaction inhibitor. |
| UNC4976
UNC4976 is a positive allosteric modulator (PAM) peptidomimetic of CBX7 chromodomain binding to nucleic acids. |
| C21
C21 is a potent, irreversible, and selective PRMT1 inhibitor with an IC50 of 1.8 μM. |
| EZH2-IN-15
EZH2-IN-15 (SHR2554) is a EZH2 inhibitor. |
| NSD-IN-2
NSD-IN-2 is a potent and irreversible NSD1 inhibitor. |
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