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Catalog No.
protein kinase C inhibitor
Grouped product items
SizePriceStock Qty
1mg (solution)
Ship with 5-10 days
5mg (solution)
Ship with 5-10 days

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UCN-02 is a derivative of staurosporine and a stereoisomer of UCN-01, which has been first isolated from a high staurosporine-producing Streptomyces culture as a minor co-metabolite [1]. UCN-02 is protein kinase C inhibitor [1].

Protein kinase C (PKC), which can phosphorylate serine and threonine, is a family of protein kinase enzymes involved in regulating the function of other proteins. Protein kinase C plays an important role in several signal transduction cascades. Protein kinase C has been implicated in modulating membrane structure events, mediating immune responses, regulating transcription, learning and memory, and regulating cell growth [2].

UCN-02 inhibited protein kinase C with a slightly reduced potency than UCN-01. The IC50 values were 62 and 4.1 nM for UNC-02 and UCN-01, respectively. UCN-02 was cytotoxic to the growth of HeLa S3 cells.

[1] Takahashi, I. ,Saitoh, Y.,Yoshida, M., et al. UCN-01 and UCN-02, new selective inhibitors of protein kinase C. II. Purification, physico-chemical properties, structural determination and biological activities. J.Antibiot.(Tokyo) 42(4), 571-576 (1989).
[2] Newton A C.  Protein kinase C: structure, function, and regulation[J]. Journal of Biological Chemistry, 1995, 270(48): 28495-28498.

Chemical Properties

Physical AppearanceA solution in ethanol. To change the solvent, simply evaporate the ethanol under a gentle stream of nitrogen and immediately add the solvent of choice.
StorageStore at -20°C
Cas No.121569-61-7
Synonyms7-epi-hydroxy Staurosporine
SolubilitySoluble in DMSO
Chemical Name(3S,9S,10R,11R,13R)-2,3,10,11,12,13-hexahydro-3-hydroxy-10-methoxy-9-methyl-11-(methylamino)-9,13-epoxy-1H,9H-diindolo[1,2,3-gh:3',2',1'-lm]pyrrolo[3,4-j][1,7]benzodiazonin-1-one
SDFDownload SDF
Canonical SMILES[H][[email protected]]12N(C3=C(N([[email protected]](O2)(C)[[email protected]](OC)[[email protected]](NC)C1)C4=C5C=CC=C4)C5=C([[email protected]](O)NC6=O)C6=C37)C8=C7C=CC=C8
Shipping ConditionEvaluation sample solution: ship with blue ice. All other available sizes: ship with RT, or blue ice upon request.
General tipsFor obtaining a higher solubility, please warm the tube at 37°C and shake it in the ultrasonic bath for a while. Stock solution can be stored below -20°C for several months.

Quality Control

Quality Control & MSDS

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Chemical structure