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422711-M Millipore

KN-93, Water-Soluble - Calbiochem

This KN-93 is a water-soluble version of KN-93 that acts as a reversible and competitive inhibitor of CaM kinase II (Ki = 370 nM for rat brain).

Synonym: KN-93, Water-Soluble - Calbiochem

  • Empirical Formula (Hill Notation) C26H29ClN2O4S · xH3PO4

  • Molecular Weight 501.04

  •  NACRES NA.77



Related Categories A to C, Biochemicals and Reagents, Calmodulin dependent Protein Kinase (CaM-KK), Enzyme Inhibitors, Enzyme Inhibitors by Enzyme,
Quality Level   100
assay   ≥95% (HPLC)
form   solid
mfr. no.   Calbiochem®
storage condition   OK to freeze
  protect from light
storage conditions   +2C to +8C
color   white
solubility   water: 5 mg/mL


General description

A water-soluble form of the CaM kinase II inhibitor KN-93 (Cat. No. 422708). Inhibits glucose-induced and forskolin-stimulated insulin release from isolated pancreatic islets of Langerhans. Has no significant effect on protein kinase A activity. Induces G1 cell cycle arrest and apoptosis in NIH 3T3 cells.

A water-soluble form of the CaM kinase II inhibitor KN-93 (Cat. No. 422708). Also available as a 5 mM solution in H2(Cat. No. 508315).

Biochem/physiol Actions

Primary Target
Calmodulin-Dependent Protein Kinase (CaM Kinase) 2

Target Ki: 370 nM for cam kinase 2


Toxicity: Irritant (B)


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

Other Notes

Tombes, R.M., et al. 1995. Cell Growth Differ.6, 1063.
Chen, C., et al. 1994. Science266, 291.
Mamiya, N., et al. 1993. Biochem. Biophys. Res. Commun.195, 608.
Nicki, I., et al. 1993. Biochem. Biophys. Res. Commun.191, 255.
Sumi, M., et al. 1991. Biochem. Biophys. Res. Commun.181, 968.
Tokumitsu, H., et al. 1990. J. Biol. Chem.265, 4315.

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