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Key Documents

5.33916

Sigma-Aldrich

KIFC1 Inhibitor, AZ82

Sinônimo(s):

KIFC1 Inhibitor, AZ82, 5-Methyl-N-(( R)-1-oxo-1-(( R)-pyrrolidin-3-ylamino)-3-(6-(3-(trifluoromethoxy)phenyl)pyridin-3-yl)propan-2-yl)-4-propylthiophene-2-carboxamide, Tctex7 Inhibitor, Knsl2 Inhibitor, MT/KIFC1 Inhibitor, Bm4137 Inhibitor, HSET Inhibitor, Kinesi, 5-Methyl-N-((R)-1-oxo-1-((R)-pyrrolidin-3-ylamino)-3-(6-(3-(trifluoromethoxy)phenyl)pyridin-3-yl)propan-2-yl)-4-propylthiophene-2-carboxamide, Tctex7 Inhibitor, Knsl2 Inhibitor, MT/KIFC1 Inhibitor, Bm4137 Inhibitor, HSET Inhibitor, Kinesin F

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About This Item

Fórmula empírica (Notação de Hill):
C28H31F3N4O3S
Número CAS:
Peso molecular:
560.63
Código UNSPSC:
12352200
NACRES:
NA.77

Ensaio

≥96% (HPLC)

Nível de qualidade

forma

film

fabricante/nome comercial

Calbiochem®

condição de armazenamento

OK to freeze
protect from light

cor

yellow

solubilidade

DMSO: 50 mg/mL

temperatura de armazenamento

2-8°C

Descrição geral

A cell-permeable pyridinylpropanylthiophene-carboxamide compound that acts as a potent, reversible, and ATP-competitive (Ki = 43 nM) and microtubule (MT) non-competitive inhibitor of MT-stimulated ATPase activity of KIFC1 (IC50 = 300 nM). However, it does not affect the basal ATPase activity even at high concentrations (~100 µM). Binds to the MT/KIFC1 complex (Kd of 690 nM) with high-affinity and blocks ATP binding and release of ADP. Does not directly interact with KIFC protein that is not associated with MT. Exhibits high degree of selectivity against a panel of nine kinesin motor proteins at a concentration (~ 5 µM) where KIFC1 activity is reduced by 95%. Causes mitotic delay, multipolar spindle formation and centrosome declustering in centrosome-amplified BT-549 cancer cells without affecting normal cells. Also shown to prevent Eg5 inhibition induced monopolar spindles and restores bipolar mitotic spindle formation in HeLa cells at 400 nM.
A cell-permeable pyridinylpropanylthiophene-carboxamide compound that exhibits selective affinity toward MT/microtubule-bound KIFC1 motor domain (Q305-K673; Kd = 690 nM), but not to uncomplexed KIFC1 or MT, and selectively inhibits MT-induced, but not basal, KIFC1 motor domain ATPase activity (IC50 = 300 nM; [KIFC1] = 30 nM, [MT] = 100 nM, [ATP] = 15 µM) in an ATP-competitive (Ki = 43 nM; [KIFC1] = 125 nM, [MT] = 1.5 µM) and MT-noncompetitive manner, effectively preventing ADP release, while displaying little potency against 9 other kinesin motor proteins (<15% or no inhibition at 5 µM against human CENP-E, Chromokinesin/KIF4A, Eg5, KIFC3, KIF3C, KInesin Heavy Chain/KIF5B, MCAK/KIF2C, MKLP1/KIF23, and A. nidulans BimC/KIF8). KIFC1 knockdown by siRNA or functional inhibition by AZ82 (0.4 to 1.2 µM) is shown to result in mitotic delay and multipolar spindle formation among BT549 population with extra centrosomes due to failure of chromosomes clustering. In cells with normal/two centrosomes, Eg5 inhibition causes monopolar spindles formation, while AZ82 co-treatment (400 nM) offsets the effect of Eg5 inhibition (5 nM AZD4877) and restores bipolar spindles phenotype in mitotic HeLa cells. Off-target cytotoxicity is reported when used at concentrations above 4 µM.

Ações bioquímicas/fisiológicas

Cell permeable: yes
Primary Target
MT/KIFC1
Reversible: yes

Embalagem

Packaged under inert gas

Advertência

Toxicity: Standard Handling (A)

Reconstituição

Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.

Outras notas

Reference: Wu, J., et al. 2013. ACS Chem. Biol.8, 2201.

Informações legais

CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany

Código de classe de armazenamento

13 - Non Combustible Solids

Classe de risco de água (WGK)

WGK 3

Ponto de fulgor (°F)

Not applicable

Ponto de fulgor (°C)

Not applicable


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