Leucosceptoside A is a phenylethanoid glycoside with anti-hyperglycemic and anti-hypertensive activities. Leucosceptoside A shows inhibitory activity against α-glucosidase and PKCα (IC50 of 19.0 μM)[1][2][3].
Protein Kinase C (661-671) is a fragment peptide of β1 subspecies of protein kinase C (PKC). PKC plays a role in cellular growth control and tumor promotion[1][2].
GSK-3β inhibitor 13 (compound 47) is an orally active and potent GSK-3β inhibitor with blood-brain permeability. GSK-3β inhibitor 13 inhibits GSK-3β and GSK-3α with IC50s of 0.73 nM and 0.35 nM, respectively. GSK-3β inhibitor 13 significantly decreases the phosphorylation of tau (IC50=58 nM), which leads the formation of the neurofibrillary tangles associated with Alzheimer's disease[1].
Protein Kinase C (660-673) (PKC βII (660-673)) is the PKC βII V5 peptide with RACK1-binding affinity[1].
C8-Ceramide (N-Octanoyl-D-erythro-sphingosine) is a cell-permeable analog of naturally occurring ceramides. C8-Ceramide has anti-proliferation properties and acts as a potent chemotherapeutic agent. C8-Ceramide stimulates dendritic cells to promote T cell responses upon virus infections. C8-Ceramide induces slight activation of protein kinase (PKC) in vitro[1][2][3][4].
Prostratin, a natural terpenoid compound, is a PKC activator, with a Ki of 12.5 nM and shows inhibitory effect on HIV-1.
(S)-Ro 32-0432 free base is a potent, selective, ATP-competitive and orally active PKC inhibitor. The IC50 values of (S)-Ro 32-0432 free base for PKCα, PKCβI, PKCβII, PKCγ and PKCε are 9.3 nM, 28 nM, 30 nM, 36.5 nM and 108.3 nM, respectively. (S)-Ro 32-0432 free base is also a selective G protein-coupled receptor kinase 5 (GRK5) inhibitor. (S)-Ro 32-0432 free base prevents T-cell activation and has the potential for chronic inflammatory and autoimmune diseases research[1][2].
Bisindolylmaleimide I (GF109203X) hydrochloride is a cell-permeable and reversible PKC inhibitor (IC50 of 20 nM, 17 nM, 16 nM, and 20 nM for PKCα, PKCβI, PKCβII, and PKCγ. Bisindolylmaleimide I hydrochloride is also a GSK-3 inhibitor[1][2][3].
[Ser25] Protein Kinase C (19-31) is a substrate of protein kinase C (PKC) (Km: 0.3 μM). [Ser25] Protein Kinase C (19-31) is derived from the pseudo-substrate regulatory domain of PKCα (19-31) with a Serine at position 25 replacing the wild-type Alanine[1].
Ro 32-0432 hydrochloride is a potent, selective, ATP-competitive and orally active PKC inhibitor. The IC50 values of Ro 32-0432 hydrochloride for PKCα, PKCβI, PKCβII, PKCγ and PKCε are 9.3 nM, 28 nM, 30 nM, 36.5 nM and 108.3 nM, respectively. Ro 32-0432 hydrochloride is also a selective G protein-coupled receptor kinase 5 (GRK5) inhibitor. Ro 32-0432 hydrochloride prevents T-cell activation and has the potential for chronic inflammatory and autoimmune diseases research[1][2].
DL-erythro-Dihydrosphingosine is a potent inhibitor of PKC and phospholipase A2 (PLA2)[1][2].
Go 6983 is a pan-PKC inhibitor against for PKCα, PKCβ, PKCγ, PKCδ and PKCζ with IC50 of 7 nM, 7 nM, 6 nM, 10 nM and 60 nM, respectively.
CGP60474 is a potent VEGFR-2 inhibitor, with an IC50 of 84 nM, and also an ATP-competitive PKC inhibitor.
K-252c, a staurosporine analog isolated from Nocardiopsis sp., is a cell-permeable PKC inhibitor, with an IC50 of 2.45 µM. K-252c induces apoptosis in human chronic myelogenous leukemia cancer cells. K-252c also inhibits β-lactamase, chymotrypsin, and malate dehydrogenase[1][2][3].
Desmethylglycitein (4',6,7-Trihydroxyisoflavone), a metabolite of daidzein, sourced from Glycine max with antioxidant, and anti-cancer activities.Desmethylglycitein binds directly to CDK1 and CDK2 in vivo, resulting in the suppresses CDK1 and CDK2 activity[1]. Desmethylglycitein is a direct inhibitor of protein kinase C (PKC)α, against solar UV (sUV)-induced matrix matrix metalloproteinase 1 (MMP1)[2]. Desmethylglycitein binds to PI3K in an ATP competitive manner in the cytosol, where it inhibits the activity of PI3K and downstream signaling cascades, leading to the suppression of adipogenesis in 3T3-L1 preadipocytes[3].
H-Arg-Gly-Tyr-Ala-Leu-Gly-OH is a competitive and CAMP dependent protein kinase inhibitor[1].
Protein kinase C (alpha) peptide (TFA) is a peptide of PKC-α. PKC-α acts as a lipid-dependent ser/thr protein kinase, can modulate various cellular processes, including cell survival, proliferation, differentiation, migration, adhesion and so on[1].
Chelerythrine Chloride is a potent, cell-permeable inhibitor of protein kinase C, with an IC50 of 660 nM.
RNAENFDRF (βIIPKC624-632) is conjugated to the cell permeable peptide TAT47-57, which can be used to form an inhibitory peptide SAMβA. SAMβA, a rationally designed selective antagonist of Mfn1-βIIPKC association. SAMβA is a selective inhibitor of mitofusin 1-βIIPKC association improves heart failure outcome in rats[1].
Aprinocarsen (ISIS 3521) sodium, a specific antisense oligonucleotide inhibitor of protein kinase C-alpha (PKC-α). Aprinocarsen sodium is a 20-mer oligonucleotide, it regulates cell differentiation and proliferation. Aprinocarsen sodium inhibits the growth of human tumor cell lines in nude mice. Aprinocarsen sodium shows the value as a chemotherapeutic compound of human cancers[1].
(±)-1,2-Diolein (1,2-Dioleoyl-rac-glycerol) is a PKC activator[1].
Sangivamycin (NSC 65346), a nucleoside analog, is a potent inhibitor of protein kinase C (PKC) with an Ki of 10 μM. Sangivamycin has potent antiproliferative activity against a variety of human cancers[1][2].
PKC-theta inhibitor 1 is the PKCθ inhibitor with an Ki value of 6 nM, inhibits IL-2 production in vivo with an IC50 of 0.19 μM. PKC-theta inhibitor 1 demonstrates a reduction of symptoms in a mouse model of multiple sclerosis[1].
CGP-53353 (DAPH-7) is an potent PKC inhibitor with IC50s of 0.41 mM and 3.8 mM for PKCβII and PKCβI, respectively. CGP-53353 can inhibit glucose-induced cell proliferation and DNA synthesis in AoSMC and A10 cells. CGP-53353 can be used for researching atherosclerosis of diabetic patients[1].
Teleocidin A1 (Lyngbyatoxin A), a highly toxic skin irritant, is a potent activator of protein kinase C (PKC). Teleocidin A1 shows antiproliferative activity against HeLa cancer cells (IC50=9.2 nM)[1][2].
AJH-836 is an activator of Munc13-1 and PKC ε/α (Kd: 4.5 nM for PKCα) . AJH-836 triggers the translocation of Munc13-1 from the cytoplasm to the plasma membrane. AJH-836 can be used for research of neurodegenerative diseases[1].
Ruboxistaurin hydrochloride is a selective and ATP-competitive PKCβ inhibitor, with IC50s of 4.7 and 5.9 nM for PKCβI and PKCβII, shows less potent inhibition on PKCη (IC50, 52 nM), PKCα (IC50, 360 nM), PKCγ (IC50, 300 nM), PKCδ (IC50, 250 nM), and has no effect on PKCζ (IC50, >100 μM).
Chelerythrine is a natural alkaloid, acts as a potent and selective Ca2+/phospholopid-dependent PKC antagonist, with an IC50 of 0.7 μM[1]. Chelerythrine has antitumor, antidiabetic and anti-inflammatory activity[2].
K-252a, a staurosporine analog isolated from Nocardiopsis sp. soil fungi, inhibits protein kinase, with IC50 values of 470 nM, 140 nM, 270 nM, and 1.7 nM for PKC, PKA, Ca2+/calmodulin-dependent kinase type II, and phosphorylase kinase, respectively[1][2].
Ruboxistaurin (LY333531) is an orally active, selective PKC beta inhibitor (Ki=2 nM). Ruboxistaurin exhibits ATP dependent competitive inhibition of PKC beta I with an IC50 of 4.7 nM. Ruboxistaurin inhibits PKC beta II with an IC50 of 5.9 nM[1][2].