KT5823, a selective the cGMP-dependent protein kinase (PKG) inhibitor with an Ki value of 0.23 μM, it also inhibits PKA and PKC with Ki values of 10 μM and 4 μM, respectively[1]. KT5823 is a staurosporine-related protein kinase inhibitor, increases thyroid-stimulating hormone-induced (Na+/I- symporter) NIS expression, and iodide uptake in thyroid cells[2]. KT5823 arrests cells after the G0/G1 boundary and causes increases in the levels of apoptotic DNA fragmentation[3].
Bucladesine sodium salt is a cell-permeable cyclic AMP (cAMP) analog that activates cAMP dependent protein kinase (PKA).
GEM231 is an 18mer antisense oligonucleotide targeting the mRNA of the PKA-I (RIα regulatory subunit of cAMP dependent protein kinase type I ). GEM231 induces cell growth arrest, apoptosis, and differentiation in a variety of cancer cell lines in vitro and in tumors in vivo.
PKI 14-22 amide,myristoylated is a potent cAMP-dependent PKA inhibitor. PKI 14-22 amide,myristoylated reduces the IgG-mediated phagocytic response and also inhibits neutrophil adhesion[1].
PKItide exhibits an IC50 of 0.2 μM for cAMP-PK[1].
Hu7691 is an orally active, selective Akt inhibitor with IC50s of 4.0 nM, 97.5 nM, 28 nM for Akt1, Akt2 and Akt3, respectively. Hu7691 inhibits tumor growth and enables decrease of cutaneous toxicity in mice[1].
Fasudil Hydrochloride is a potent inhibitor of ROCK1, PKA, PKC, and MLCK with Kis of 0.33 μM, 1.0 μM, 9.3 μM and 55 μM, respectively.
HA-100 hydrochloride is a potent protein kinase inhibitor, with IC50s of 4 μM, 8 μM, 12 μM and 240 μM for cGMP-dependent protein kinase (PKG), cAMP-dependent protein kinase (PKA), protein kinase C (PKC) and MLC-kinase, respectively. HA-100 hydrochloride also used as a ROCK inhibitor[1][2].
Bilobetin, an active component of Ginkgo biloba, can reduce blood lipids and improve the effects of insulin. Bilobetin ameliorated insulin resistance, increased the hepatic uptake and oxidation of lipids, reduced very-low-density lipoprotein triglyceride secretion and blood triglyceride levels, enhanced the expression and activity of enzymes involved in β-oxidation and attenuated the accumulation of triglycerides and their metabolites in tissues. Bilobetin also increased the phosphorylation, nuclear translocation and activity of PPARα accompanied by elevated cAMP level and PKA activity[1].
GSK466317A is a PKA inhibitor, with an IC50 of 12.59 μM. GSK466317A also inhibits GRK1, GRK2, and GRK5, with IC50s of 1000, 31.62, and 39.81 μM, respectively[1].
UCN-02 (7-epi-Hydroxystaurosporine) is a selective protein kinase C (PKC) inhibitor produced by Streptomyces strain N-12, with IC50s of 62 nM and 250 nM for PKC and protein kinase A (PKA), respectively. UCN-02 (7-epi-Hydroxystaurosporine) displays cytotoxic effect on the growth of HeLa S3 cells[1][2].
8-pCPT-2'-O-Me-cAMP-AM is a cyclic AMP analogue, selectively activates Epac-Rap signaling pathway. 8-pCPT-2'-O-Me-cAMP-AM protects renal function by activating Epac from ischemia injury. 8-pCPT-2'-O-Me-cAMP-AM also stimulates insulin secretion by interaction with PKA pathway[1][2].
H1-7 (histone H1 phosphorylation site), PKA Substrate, a synthetic polypeptide, can be used as PKA substrate[1][2].
HA-100 dihydrochloride is a potent protein kinase inhibitor, with IC50s of 4 μM, 8 μM, 12 μM and 240 μM for cGMP-dependent protein kinase (PKG), cAMP-dependent protein kinase (PKA), protein kinase C (PKC) and MLC-kinase, respectively. HA-100 dihydrochloride also used as a ROCK inhibitor[1][2].
Kemptide is a synthetic heptapeptide that acts as a specific substrate for cAMP-dependent protein kinase (PKA).
Rp-8-CPT-cAMPS, a cAMP analog, is a potent and competitive antagonist of cAMP-induced activation of cAMP-dependent PKA I and II. Rp-8-CPT-cAMPS preferentially selects site A of RI compares to site A of RII and site B of RII compares to site B of RI[1][2].
PKI(5-24) is a potent, competitive, and synthetic peptide inhibitor of PKA (cAMP-dependent protein kinase), with a Ki of 2.3 nM. PKI(5-24) corresponds to residues 5-24 in the naturally occurring heat-stable protein kinase inhibitor[1][2].
Fasudil is a potent inhibitor of ROCK1, PKA, PKC, and MLCK with Ki of 0.33 μM, 1.0 μM, 9.3 μM and 55 μM, respectively.
Gliotoxin is a secondary metabolite, the most abundant mycotoxin secreted by A. fumigatus, inhibits the phagocytosis of macrophages and the immune functions of other immune cells [1]. Gliotoxin inhibits inducible NF-κB activity by preventing IκB degradation, which consequently induces host-cell apoptosis[2]. Gliotoxin activates PKA and increases intracellular cAMP concentration; modulates actin cytoskeleton rearrangement to facilitate A. fumigatus internalization into lung epithelial cells[3].
CREBtide, a synthetic 13 amino acid peptide, has been reported as a PKA substrate.
6-Bnz-cAMP sodium salt is a cell-permeable cAMP analog. 6-Bnz-cAMP selectively activates cAMP-dependent PKA but not Epac signaling pathways[1].
AT7867 dihydrochloride is a potent ATP-competitive inhibitor of Akt1/Akt2/Akt3 and p70S6K/PKA with IC50s of 32 nM/17 nM/47 nM and 85 nM/20 nM, respectively.
Staurosporine is a potent and non-selective inhibitor of protein kinases with IC50s of 6 nM, 15 nM, 2 nM, and 3 nM for PKC, PKA, c-Fgr, and Phosphorylase kinase respectively.
Cys-Kemptide is a cysteine-terminated substrate peptide that can used to measure protein kinase A (PKA) activity[1].
A-3 hydrochloride is a potent, cell-permeable, reversible, ATP-competitive non-selective antagonist of various kinases. It against PKA (Ki=4.3 µM), casein kinase II (Ki=5.1 µM) and myosin light chain kinase (MLCK) (Ki=7.4 µM). A-3 hydrochloride also inhibits PKC and casein kinase I with Ki values of 47 µM and 80 µM, respectively[1].
AT13148 is an orally active and ATP-competitive, multi-AGC kinase inhibitor with IC50s of 38 nM/402 nM/50 nM, 8 nM, 3 nM, and 6 nM/4 nM for Akt1/2/3, p70S6K, PKA, and ROCKI/II, respectively.
HA-1004 is a selective inhibitor of PKA, which can inhibit lipolysis and induce vascular relaxation. HA-1004 is also a dual inhibitor of cyclic GMP-dependent protein kinase and cyclic AMP-dependent protein, and is involved in smooth muscle, second messenger, cyclic AMP and cyclic GMP regulation mechanisms. HA-1004 can be used as a vasodilator to inhibit the contraction of rabbit aortic strips, or to antagonize ERK and tyrosine hydroxylase (TH) phosphorylation in morphine abstinence rat models[1][2][3].
Rp-cAMPS, a cAMP analog, is a potent, competitive cAMP-induced activation of cAMP-dependent PKA I and II (Kis of 12.5 µM and 4.5 µM, respectively) antagonist. Rp-cAMPS is resistant to hydrolysis by phosphodiesterases[1][2][3][4][5][6].
Jaspamycin (7-CN-7-C-Ino) is a potent activator of PKA, binding to the R site (PKAR), with an EC50 of 6.5 nM and Kd of 8 nM in Trypanosoma brucei. Jaspamycin (7-CN-7-C-Ino) does not bind with purified human PKARIα. Anti-parasite activity[1].
Fasudil (HA-1077; AT877) dihydrochloride is a nonspecific RhoA/ROCK inhibitor and also has inhibitory effect on protein kinases, with an Ki of 0.33 μM for ROCK1, IC50s of 0.158 μM and 4.58 μM, 12.30 μM, 1.650 μM for ROCK2 and PKA, PKC, PKG, respectively. Fasudil dihydrochloride is also a potent Ca2+ channel antagonist and vasodilator[1][2][3].