512533
MKLP-2 Inhibitor, Paprotrain
The MKLP-2 Inhibitor, Paprotrain controls the biological activity of MKLP-2. This small molecule/inhibitor is primarily used for Cell Signaling applications.
Synonym(s):
MKLP-2 Inhibitor, Paprotrain, (Z)-2-(1H-Indol-3-yl)-3-(pyridin-3-yl)acrylonitrile, PAssenger PROteins TRAnsport INhibitor, Mitotic Kinesin-Like Protein 2 Inhibitor
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About This Item
Empirical Formula (Hill Notation):
C16H11N3
Molecular Weight:
245.28
UNSPSC Code:
12352200
NACRES:
NA.77
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Quality Level
assay
≥98% (HPLC)
form
powder
manufacturer/tradename
Calbiochem®
storage condition
OK to freeze
protect from light
color
yellow
solubility
DMSO: 100 mg/mL
shipped in
ambient
storage temp.
2-8°C
General description
A cell-permeable acrylonitrile compound that inhibits the kinesin-6 family member MKLP-2 (Mitotic kinesin-like protein 2; IC50 against basal and microtubule-/MT-stimulated ATPase activity = 1.35 and 0.83 µM, respectively) in a reversible, ATP-uncompetitive (Ki = 3.36 µM), and MT-noncompetitive (Ki = 1.6 µM) manner, with little effect against the ATPase activity of 12 other kinesins (≤20% inhibition at 50 µM), including the close related MKLP-1 and MPP1 (M-phase phosphoprotein 1). Shown to inhibit cellular Aurora B and Survivin anaphase centromere-to-spindle midzone relocation in HeLa cultures (50 µM for 8 h), but not MKLP-1- or Kif4-mediated PRC1 relocation, resulting in misaligned chromosomes (70% of total metaphase cells), multipolar spindles (14% of total metaphase cells), and eventual apoptosis.
Packaging
Packaged under inert gas
Warning
Toxicity: Regulatory Review (Z)
Reconstitution
Following reconstitution, aliquot and freeze (-20°C). Stock solutions are stable for up to 3 months at -20°C.
Other Notes
Tcherniuk, S., et al. 2010. Angew. Chem. Int. Ed.49, 8228.
Legal Information
CALBIOCHEM is a registered trademark of Merck KGaA, Darmstadt, Germany
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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Federico Gulluni et al.
Science (New York, N.Y.), 374(6573), eabk0410-eabk0410 (2021-12-10)
Cytokinetic membrane abscission is a spatially and temporally regulated process that requires ESCRT (endosomal sorting complexes required for transport)–dependent control of membrane remodeling at the midbody, a subcellular organelle that defines the cleavage site. Alteration of ESCRT function can lead
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