Date published: 2025-10-25

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KIF1A Inhibitors

KIF1A inhibitors encompass a range of chemicals that indirectly target the KIF1A protein by influencing related motor proteins and pathways involved in microtubule dynamics and cell division processes. While direct inhibitors of KIF1A are currently limited, these compounds offer a pathway to modulate KIF1A activity indirectly. The inhibitors primarily target kinesin-like proteins such as Eg5 and KSP, which share functional similarities with KIF1A, particularly in their roles in microtubule-based transport. These inhibitors function by disrupting the ATPase activity of target proteins, altering their binding to microtubules, or interfering with the spindle assembly processes. For example, compounds like Monastrol and Dimethylenastron act by specifically inhibiting Eg5, leading to changes in spindle dynamics that can indirectly impact KIF1A's role in vesicle transport and cell division. Similarly, Ispinesib and Filanesib target KSP, affecting microtubule stability and thereby potentially influencing KIF1A functions. The inhibition of these related proteins can lead to altered cellular transport mechanisms, affecting the transport of synaptic vesicles and other cargoes within neurons, where KIF1A plays a crucial role. Some inhibitors like ON 01910.Na and BI-2536 target kinases such as Plk1, which are involved in mitotic spindle formation. By interfering with these kinases, these inhibitors can indirectly modulate KIF1A's role in synaptic vesicle transport. The inhibition of Aurora kinases by compounds like ZM447439 and VX-680 also contributes to this indirect modulation, as these kinases are critical for spindle assembly and chromosome segregation during cell division.

Items 1 to 10 of 11 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Monastrol

254753-54-3sc-202710
sc-202710A
1 mg
5 mg
$120.00
$233.00
10
(1)

Monastrol is a cell-permeable small molecule inhibitor that specifically targets the motor protein Eg5, a kinesin-like protein related to KIF1A. It inhibits Eg5 by inducing a monoastral spindle formation, which can indirectly affect KIF1A's function in cell division and vesicle transport.

Eg5 Inhibitor III, Dimethylenastron

863774-58-7sc-221576
sc-221576A
sc-221576B
sc-221576C
1 mg
5 mg
10 mg
25 mg
$38.00
$132.00
$244.00
$516.00
1
(0)

Dimethylenastron is an Eg5 kinesin inhibitor. It impedes the ATPase activity of Eg5, thereby interfering with the mitotic spindle dynamics. This indirect inhibition can affect KIF1A related pathways by altering cellular transport mechanisms during cell division.

Ispinesib

336113-53-2sc-364747
10 mg
$495.00
(0)

Ispinesib is a selective inhibitor of Kinesin Spindle Protein (KSP), which is closely related to KIF1A. By inhibiting KSP, ispinesib disrupts microtubule dynamics, potentially influencing KIF1A's function in neuronal transport.

(2S)-2-(3-Aminopropyl)-5-(2,5-difluorophenyl)-N-methoxy-N-methyl-2-phenyl-1,3,4-thiadiazole-3(2H)-carboxamide

885060-09-3sc-479542
10 mg
$430.00
(0)

(2S)-2-(3-Aminopropyl)-5-(2,5-difluorophenyl)-N-methoxy-N-methyl-2-phenyl-1,3,4-thiadiazole-3(2H)-carboxamide, also known as Filanesib, is a selective KSP inhibitor. It binds to KSP at the allosteric site, blocking its activity and affecting microtubule stability. This can indirectly influence KIF1A functions in neurons.

K 858

72926-24-0sc-300856
sc-300856A
10 mg
50 mg
$159.00
$693.00
(0)

K 858 is a selective and potent Eg5 inhibitor. It targets the motor domain of Eg5, leading to an inhibition of its ATPase activity. This can indirectly modulate KIF1A-related pathways in neuronal transport.

S-Trityl-L-cysteine

2799-07-7sc-202799
sc-202799A
1 g
5 g
$31.00
$65.00
6
(1)

S-Trityl-L-cysteine is a potent inhibitor of Eg5. It acts by blocking the ATP binding site, leading to a halt in the motor activity of Eg5 and potentially influencing KIF1A's functions.

trans-HR22C16

462630-41-7sc-202842
1 mg
$128.00
(0)

HR22C16 is an inhibitor of Eg5. It specifically targets the loop 5 site of Eg5, distinct from the ATP-binding site, leading to an indirect modulation of KIF1A-associated pathways.

BI 2536

755038-02-9sc-364431
sc-364431A
5 mg
50 mg
$148.00
$515.00
8
(1)

BI-2536 is a potent Plk1 inhibitor. By inhibiting Plk1, it disrupts spindle formation and can indirectly impact KIF1A-related functions in neurons.

GSK 923295

1088965-37-0sc-490136
5 mg
$290.00
(0)

GSK923295 is a selective inhibitor of CENP-E motor protein, which is involved in chromosome alignment. This can influence KIF1A indirectly by affecting cellular transport processes.

ZM-447439

331771-20-1sc-200696
sc-200696A
1 mg
10 mg
$150.00
$349.00
15
(1)

ZM447439 is an Aurora kinase inhibitor. By inhibiting Aurora kinases, it affects spindle assembly and chromosome segregation, potentially impacting KIF1A-related pathways.