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Dynasore Dynamin and GTPase inhibitor

Catalog No.A1605
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10mM (in 1mL DMSO)
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Sample solution is provided at 25 µL, 10mM.

Product Citations

1. Ying Wen, Shouwen Chen, et al."Dysregulated haemolysin promotes bacterial outer membrane vesicles‐induced pyroptotic‐like cell death in zebrafish."Cellular Microbiology. 31 January 2019.
2. Wang H, Liu W, et al. "Inhibitor analysis revealed that clathrin-mediated endocytosis is involed in cellular entry of type III grass carp reovirus." Virol J. 2018 May 24;15(1):92. PMID:29793525
3. Mai J, Li X, et al. "DNA Thioaptamer with Homing Specificity to Lymphoma Bone Marrow Involvement." Mol Pharm. 2018 May 7;15(5):1814-1825. PMID:29537266
4. Schappe MS, Szteyn K, et al."Chanzyme TRPM7 Mediates the Ca(2+) Influx Essential for Lipopolysaccharide-Induced Toll-Like Receptor 4 Endocytosis and Macrophage Activation." Immunity. 2018 Jan 16;48(1):59-74.e5. PMID:29343440

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Chemical structure


Related Biological Data


Related Biological Data


Related Biological Data


Biological Activity

Description Dynasore is a cell-permeable and noncompetitive inhibitor of the GTPase activity of dynamin with IC50 value of 15 µM.
Targets dynamin GTPase          
IC50 15 µM          


Cell experiment [1]:

Cell lines

Hela cells

Preparation method

The solubility of this compound in DMSO is > 16.1 mg/mL. General tips for obtaining a higher concentration: Please warm the tube at 37 °C for 10 minutes and/or shake it in the ultrasonic bath for a while. Stock solution can be stored below - 20 °C for several months.

Reacting condition

0, 1, 10, 20, 40, 60 and 80 μM; 30 mins


In Hela cells preincubated with 80 μM Dynasore for 30 mins, the uptake, trafficking and intracellular accumulation of transferrin were all significantly blocked. Moreover, Dynasore dose-dependently inhibited transferrin uptake. In addition, the effect of Dynasore on transferrin uptake was proved to be reversible.


[1]. Macia E, Ehrlich M, Massol R, Boucrot E, Brunner C, Kirchhausen T. Dynasore, a cell-permeable inhibitor of dynamin. Dev Cell. 2006 Jun;10(6):839-50.

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Chemical Properties

Cas No. 304448-55-3 SDF Download SDF
Synonyms N/A
Chemical Name (E)-N'-(3,4-dihydroxybenzylidene)-3-hydroxy-2-naphthohydrazide
Canonical SMILES OC1=C(C(N/N=C/C(C=C2)=CC(O)=C2O)=O)C=C(C=CC=C3)C3=C1
Formula C18H14N2O4 M.Wt 322.31
Solubility ≥16.12mg/mL in DMSO Storage Store at -20°C
Physical Appearance A solid Shipping Condition Evaluation sample solution : ship with blue ice.All other available size: ship with RT , or blue ice upon request
General tips For obtaining a higher solubility , please warm the tube at 37 ℃ and shake it in the ultrasonic bath for a while.Stock solution can be stored below -20℃ for several months.


Dynasore is a noncompetitive inhibitor of GTPases with the IC50 value of 15 μM[1] [2].
GTPases (singular GTPase) are hydrolase enzymes that play an important role in GTP binding and hydrolyzing. GTPases involve in many processes, like, transduction signal, protein biosynthesis, translocation proteins through membranes, and transporting vesicles within the cell. It has been reported that dynasore could inhibit the GTPase activity of dynamin1, dynamin2 and Drp1 [3] [4].
Dynasore is a potent GTPases inhibitor and functions on the sites of dynamin1, dynamin2 or Drp1. When tested with HL-1 cells, treated cells with dynasore blocked the endocytic process via inhibiting the activity of dynamin [1].  Using genetically encoded pH-sensitive fluorescent probe synaptopHluorin to study the role of dynasore in the synapses expressing spH, and the results showed that dyansore treatment resulted in the normal stimulus-triggered increase in fluorescence intensity via reducing the GTPase activity of dynamin which in turn blocked the synaptic endocytosis[4]. Dynasore worked as inhibitor of dynamin GTPase activity which blocks dynamin-dependent endocytosis not only in cells, but also including neurons [3].
[1].Zheng, J., et al., Chymase mediates injury and mitochondrial damage in cardiomyocytes during acute ischemia/reperfusion in the dog. PLoS One, 2014. 9(4): p. e94732.
[2].McCluskey, A., et al., Building a better dynasore: the dyngo compounds potently inhibit dynamin and endocytosis. Traffic, 2013. 14(12): p. 1272-89.
[3].Kirchhausen, T., E. Macia, and H.E. Pelish, Use of dynasore, the small molecule inhibitor of dynamin, in the regulation of endocytosis. Methods Enzymol, 2008. 438: p. 77-93.
[4].Newton, A.J., T. Kirchhausen, and V.N. Murthy, Inhibition of dynamin completely blocks compensatory synaptic vesicle endocytosis. Proc Natl Acad Sci U S A, 2006. 103(47): p. 17955-60.