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SML1169

Sigma-Aldrich

Pitstop 2

≥98% (HPLC), powder, clathrin-mediated endocytosis inhibitor

Synonym(s):

N-[5-[(4-Bromophenyl)methylene]-4,5-dihydro-4-oxo-2-thiazolyl]-1-naphthalenesulfonamide, Pitstop-2

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About This Item

Empirical Formula (Hill Notation):
C20H13BrN2O3S2
CAS Number:
Molecular Weight:
473.36
UNSPSC Code:
12352200
NACRES:
NA.77

product name

Pitstop 2, ≥98% (HPLC)

Quality Level

Assay

≥98% (HPLC)

form

powder

color

white to light brown

solubility

DMSO: 20 mg/mL, clear

storage temp.

−20°C

Application

Pitstop 2 has been used as an inhibitor of clathrin-mediated endocytosis.

Biochem/physiol Actions

Pitstop 2 also has an ability to breakdown the nuclear pore complex (NPC) permeability barrier and decrease importin β binding along with alteration of the NPC ultrastructure. Pitstop 2 is also involved in the inhibition of platelet activation, platelet aggregation and secretion.
Pitstop 2 is a selective inhibitor of clathrin-mediated endocytosis that acts via blocking ligand access to the clathrin terminal domain. Pitstop 2 selectively inhibits clathrin-mediated HIV entry and stalls clathrin-coated pit (CCP) dynamics.
Pitstop 2 is a selective inhibitor of clathrin-mediated endocytosis.

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Clathrin inhibitor Pitstop-2 disrupts the nuclear pore complex permeability barrier
Liashkovich I, et al.
Scientific Reports, 5, 9994-9994 (2015)
Leucine-rich repeat-containing G protein?coupled receptor 4 facilitates vesicular stomatitis virus infection by binding vesicular stomatitis virus glycoprotein
Zhang N, et al,
The Journal of Biological Chemistry, 292(40), 16527-16538 (2017)
Clathrin-mediated integrin ?IIb?3 trafficking controls platelet spreading
Gao W, et al.
Platelets, 1-12 (2017)
Maria S Ioannou et al.
Cell, 177(6), 1522-1535 (2019-05-28)
Metabolic coordination between neurons and astrocytes is critical for the health of the brain. However, neuron-astrocyte coupling of lipid metabolism, particularly in response to neural activity, remains largely uncharacterized. Here, we demonstrate that toxic fatty acids (FAs) produced in hyperactive
Holger Haselmann et al.
Neuron, 100(1), 91-105 (2018-08-28)
AMPA receptors are essential for fast excitatory transmission in the CNS. Autoantibodies to AMPA receptors have been identified in humans with autoimmune encephalitis and severe defects of hippocampal function. Here, combining electrophysiology and high-resolution imaging with neuronal culture preparations and

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