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512533

Sigma-Aldrich

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.

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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
Empirical Formula (Hill Notation):
C16H11N3
Molecular Weight:
245.28

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

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Sigma-Aldrich

512533

MKLP-2 Inhibitor, Paprotrain

Sphingosine Kinase Inhibitor The Sphingosine Kinase Inhibitor, also referenced under CAS 1177741-83-1, controls the biological activity of Sphingosine Kinase. This small molecule/inhibitor is primarily used for Cell Signaling applications.

567731

Sphingosine Kinase Inhibitor

Sigma-Aldrich

480073

MLKL Inhibitor, Necrosulfonamide

TGF-β RI Kinase Inhibitor II TGF-β RI Kinase Inhibitor II, CAS 446859-33-2, is a cell-permeable, potent, reversible, ATP-competitive inhibitor of TGF-β R1 kinase (IC₅₀ = 23 nM and 4 nM for ALK5 binding & auto-phosphorylation).

616452

TGF-β RI Kinase Inhibitor II

assay

≥98% (HPLC)

assay

≥98% (HPLC)

assay

≥95% (HPLC)

assay

≥95% (HPLC)

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

100

manufacturer/tradename

Calbiochem®

manufacturer/tradename

Calbiochem®

manufacturer/tradename

Calbiochem®

manufacturer/tradename

Calbiochem®

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

storage temp.

2-8°C

solubility

DMSO: 100 mg/mL

solubility

DMSO: 5 mg/mL

solubility

DMSO: 100 mg/mL

solubility

DMSO: 5 mg/mL, methanol: 5 mg/mL

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

Storage Class

11 - Combustible Solids

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable


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Onur Sen et al.
Developmental cell, 56(22), 3082-3099 (2021-11-11)
Chromosome mis-segregation during mitosis leads to aneuploidy, which is a hallmark of cancer and linked to cancer genome evolution. Errors can manifest as "lagging chromosomes" in anaphase, although their mechanistic origins and likelihood of correction are incompletely understood. Here, we
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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