SMIFH2

Catalog No.E1042 Batch:E104201

Technical Data

Formula	C₁₅H₉BrN₂O₃S
Molecular Weight	377.21	CAS No.	340316-62-3
Solubility (25°C)*	In vitro	DMSO	75 mg/mL (198.82 mM)
		Water	Insoluble
		Ethanol	Insoluble
* <1 mg/ml means slightly soluble or insoluble. * Please note that Selleck tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations. * Room temperature shipping (Stability testing shows this product can be shipped without any cooling measures.)

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Biological Activity

Description

SMIFH2 is a specific inhibitor of formin that inhibits formin-driven actin polymerization in vitro with IC50s ranging from 5 to 15 μM for different formins.

Targets

formin ^[1]

In vitro

SMIFH2 inhibits stress fiber contractility in living and permeabilized REF52 cells. SMIFH2 inhibits centripetal movement of myosin 2 filaments in living and permeabilized HFF cells. SMIFH2 inhibits activity of myosin ATPase and the ability to translocate actin filaments in the gliding actin.^[1]

In vivo

SMIFH2 induces tail curvature and peripheral cell death, craniofacial malformations, pericardial edema in developing zebrafish embryos. SMIFH2 impairs vascular flow and impacts heart rates in developing zebrafish embryos.^[2]

Protocol (from reference)

Cell Assay:^{^[1]}	Cell lines REF52 cells, HFF cells Concentrations 30 μM, 100 μM Incubation Time 10 min, 45 min Method Cells are seeded at density of 5×10⁴ cells/ml on the hydrophobic uncoated μ-dish 35 mm with fibronectin micro-patterns and incubated 3-8 h prior to the experiment. Cells are permeabilized with extraction buffer A supplemented with 0.1% Triton X-100 and 4% PEG MW35000 for 10 min at room temperature, followed by three washes with extraction buffer A. Cytoskeleton contractility assay was carried out at 37°C using buffer A supplemented with 2 mM ATP with or without SMIFH2.

Cell Assay:^{^[1]}

Cell lines
REF52 cells, HFF cells
Concentrations
30 μM, 100 μM
Incubation Time
10 min, 45 min
Method
Cells are seeded at density of 5×10⁴ cells/ml on the hydrophobic uncoated μ-dish 35 mm with fibronectin micro-patterns and incubated 3-8 h prior to the experiment. Cells are permeabilized with extraction buffer A supplemented with 0.1% Triton X-100 and 4% PEG MW35000 for 10 min at room temperature, followed by three washes with extraction buffer A. Cytoskeleton contractility assay was carried out at 37°C using buffer A supplemented with 2 mM ATP with or without SMIFH2.

References

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SHIPPING AND STORAGE
Selleck products are transported at room temperature. If you receive the product at room temperature, please rest assured, the Selleck Quality Inspection Department has conducted experiments to verify that the normal temperature placement of one month will not affect the biological activity of powder products. After collecting, please store the product according to the requirements described in the datasheet. Most Selleck products are stable under the recommended conditions.

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