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STO-609

Cat. No. M7336
STO-609 Structure
Synonym:

STO-609 free base

Size Price Availability Quantity
5mg USD 85  USD85 In stock
10mg USD 150  USD150 In stock
50mg USD 580  USD580 In stock
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Quality Control & Documentation
Biological Activity

STO-609 is a selective, cell-permeable inhibitor of Ca2+-calmodulin-dependent protein kinase kinase (Ki values are 80 and 15 ng/ml for inhibition of CaM-KKα and CaM-KKβ respectively); competes for the ATP-binding site. Displays > 80-fold selectivity over CaMK1, CaMK2, CaMK4, MLCK, PKC, PKA and p42 MAPK.

Product Citations
Chemical Information
Molecular Weight 314.29
Formula C19H10N2O3
CAS Number 52029-86-4
Solubility (25°C) DMSO: ≥ 6 mg/mL (with sonication)
Storage Powder          -20°C   3 years ;  4°C   2 years
In solvent       -80°C   6 months ;  -20°C   1 month
Conversion of different model animals based on BSA (PMID: 27057123)
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.

References

[1] Gerner L, et al. Biochem Biophys Res Commun. Using the fluorescent properties of STO-609 as a tool to assist structure-function analyses of recombinant CaMKK2.

[2] Ma Z, et al. Am J Transl Res. Growth inhibition of human gastric adenocarcinoma cells in vitro by STO-609 is independent of calcium/calmodulin-dependent protein kinase kinase-beta and adenosine monophosphate-activated protein kinase.

[3] Cary RL, et al. J Bone Miner Res. Inhibition of Ca²⁺/calmodulin-dependent protein kinase kinase 2 stimulates osteoblast formation and inhibits osteoclast differentiation.

[4] Tokumitsu H, et al. J Biol Chem. STO-609, a specific inhibitor of the Ca(2+)/calmodulin-dependent protein kinase kinase.

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Keywords: STO-609, STO-609 free base supplier, CaMK, inhibitors, activators


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