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PKA

PKA Products

All (18)
PKA Inhibitors (13)
PKA Activators (3)
PKA Antagonist (1)
New PKA Products

Catalog No.	Product Name	Information	Product Use Citations
S1582	H 89 2HCl	H 89 2HCl is a potent PKA inhibitor with K_i of 48 nM in a cell-free assay, 10-fold selective for PKA than PKG,500-fold greater selectivity than PKC, MLCK, calmodulin kinase II and casein kinase I/II. H 89 2HCl induces autophagy.	Commun Biol, 2025, 8(1):178 iScience, 2025, 28(2):111833 J Biol Chem, 2025, 301(2):108195
S1421	Staurosporine (STS)	Staurosporine (STS) is a potent PKC inhibitor for PKCα, PKCγ and PKCη with IC50 of 2 nM, 5 nM and 4 nM, less potent to PKCδ (20 nM), PKCε (73 nM) and little active to PKCζ (1086 nM) in cell-free assays. Also shows inhibitory activities on other kinases, such as PKA, PKG, S6K, CaMKII, etc. Phase 3.	Cell Metab, 2025, S1550-4131(25)00149-4 Genes Dis, 2025, 12(3):101321 Cells, 2025, 14(6)450
S1113	GSK690693	GSK690693 is a pan-Akt inhibitor targeting Akt1/2/3 with IC50 of 2 nM/13 nM/9 nM in cell-free assays, also sensitive to the AGC kinase family: PKA, PrkX and PKC isozymes. GSK690693 also potently inhibits AMPK and DAPK3 from the CAMK family with IC50 of 50 nM and 81 nM, respectively. GSK690693 affects Unc-51-like autophagy activating kinase 1 (ULK1) activity, robustly inhibits STING-dependent IRF3 activation. Phase 1.	Front Cell Infect Microbiol, 2025, 15:1543186 Biomol Ther (Seoul), 2025, 33(1):170-181 EMBO J, 2024, 10.1038/s44318-024-00244-9
S1573	Fasudil HCl	Fasudil HCl, a potent and selective inhibitor of Rho kinase, displays less potent inhibiton over PKA, PKG, PKC and MLCK with Ki of 1.6, 1.6, 3.3, and 36 μM in cell-free assays, respectively. Fasudil is also a calcium channel blocker.	Transl Oncol, 2025, 51:102209 J Immunother Cancer, 2024, 12(11)e009805 Sci China Life Sci, 2024, 67(8):1549-1562
S7858	Dibutyryl-cAMP (Bucladesine)	Dibutyryl-cAMP (Bucladesine, dbcAMP) is a cell-permeable PKA activator by mimicing the action of endogenous cAMP. Dibutyryl-cAMP (Bucladesine) is also a phosphodiesterase (PDE) inhibitor.	PLoS Pathog, 2025, 21(2):e1012367 Cell Rep Med, 2024, 5(3):101477 ACS Appl Mater Interfaces, 2024, 16(40):54292-54303
S2670	A-674563 HCl	A-674563 HCl is an Akt1 inhibitor with K_i of 11 nM in cell-free assays, modest potent to PKA and >30-fold selective for Akt1 over PKC.	Nat Commun, 2025, 16(1):3012 J Biol Chem, 2024, 300(2):105641 Nat Commun, 2023, 14(1):886
S7857	8-Bromo-cAMP sodium salt	8-Bromo-cAMP sodium salt is a cell permeable analog of cAMP that activates cyclic-AMP-dependent protein kinase with a Ka value of 0.05 μM; and a PKA activator.	Elife, 2024, 13RP97507 Stem Cell Res Ther, 2024, 15(1):438 Biomed Pharmacother, 2024, 176:116858
S8388	ML-7 HCl	ML-7 is an inhibitor of smooth muscle myosin light chain kinase (MLCK) with a Ki value of 0.3 µM and displays reversible, ATP-competitive inhibition of Ca2+-calmodulin-dependent and -independent smooth muscle MLCKs. ML-7 also inhibits PKA and PKC with Ki of 21 μM and 42 μM, respectively.	Cell Mol Life Sci, 2025, 82(1):201 Commun Biol, 2025, 8(1):607 J Pharmacol Sci, 2025, 158(3):172-181
S7563	AT13148	AT13148 is an oral, ATP-competitive, multi-AGC kinase inhibitor with IC50 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. Phase 1.	Neoplasia, 2023, 10.1016/j.neo.2023.100948 Cancers (Basel), 2022, 14(23)5943 Br J Cancer, 2021, 10.1038/s41416-021-01442-6
S2554	Daphnetin	Daphnetin, a natural coumarin derivative, is a protein kinase inhibitor, inhibits EGFR, PKA and PKC with IC50 of 7.67 μM, 9.33 μM and 25.01 μM, respectively, also known to exhibit anti-inflammatory and anti-oxidant activities.	Sci Rep, 2021, 11(1):11491 Acta Neuropathol, 2020, 10.1007/s00401-020-02226-7 Int Immunopharmacol, 2019, 72:195-203
S0754	Bisindolylmaleimide IV	Bisindolylmaleimide IV (Arcyriarubin A, BIM IV, Compound 5/1a) is a potent inhibitor of protein kinase C (PKC) with IC50 of 0.55 μM. Bisindolylmaleimide IV also inhibits PKA with IC50 of 11.8μM. Bisindolylmaleimide IV is a potent, selective inhibitor of human cytomegalovirus (HCMV) replication in cell culture with IC50 of 0.2 μM.	Elife, 2021, 10e68473
F1294^New	PKA RI-α Rabbit mAb
E7109^New	PKI(5-24)	PKI(5-24) is a potent, competitive, and synthetic peptide inhibitor of PKA (cAMP-dependent protein kinase), with a Ki of 2.3 nM. It can be used for research to study hormonal regulation of the CAMP-dependent protein kinase.
E4793^New	Bucladesine calcium	Bucladesine calcium (Dibutyryl-cAMP Calcium Salt, DBcAMP calcium salt) is a cell-permeable analog of cyclic AMP. It serves as a potent activator of protein kinase A (PKA) and mimics the effects of endogenous cAMP. It also inhibits phosphodiesterase (PDE) activity, with the potential to treat congestive heart failure, wound healing, and inflammation.
E7359^New	A-674563	A-674563 is a selective, orally active inhibitor of Akt1 with a Ki of 11 nM. It also inhibits PKA with Ki of 16 nM and CDK2 with Ki of 46 nM. A-674563 reduces Akt downstream target phosphorylation and inhibits tumor cell proliferation in vitro with an EC50 of 0.4 µM.
E2506	A-3 hydrochloride	A-3 hydrochloride, a potent, cell-permeable, reversible, ATP-competitive non-selective antagonist of various kinases, againsts cAMP-dependent protein kinase (PKA) (Ki=4.3 µM), casein kinase II (CK2) (Ki=5.1 µM) and myosin light chain kinase (MLCK) (Ki=7.4 µM), also inhibits Protein Kinase C (PKC) and casein kinase I (CK1) with Ki values of 47 µM and 80 µM, respectively.
S6214	H-1152 dihydrochloride	H-1152 dihydrochloride (2HCl) is a membrane-permeable and selective inhibitor of Rho-associated protein kinase (ROCK). H-1152 inhibits ROCK2, PKA, PKC, PKG, AuroraA and CaMK2 with IC50 of 0.0120 μM, 3.03 μM, 5.68 μM, 0.360 μM, 0.745 μM and 0.180 μM, respectively.
S2964	HA-100 dihydrochloride	HA-100 dihydrochloride is an inhibitor of cGMP-dependent protein kinase (PKG), cAMP-dependent protein kinase (PKA), protein kinase C (PKC) and MLC-kinase with IC50 of 4 μM, 8 μM, 12 μM and 240 μM, respectively.	Adv Sci (Weinh), 2024, 11(4):e2304987
S1582	H 89 2HCl	H 89 2HCl is a potent PKA inhibitor with K_i of 48 nM in a cell-free assay, 10-fold selective for PKA than PKG,500-fold greater selectivity than PKC, MLCK, calmodulin kinase II and casein kinase I/II. H 89 2HCl induces autophagy.	Commun Biol, 2025, 8(1):178 iScience, 2025, 28(2):111833 J Biol Chem, 2025, 301(2):108195
S1421	Staurosporine (STS)	Staurosporine (STS) is a potent PKC inhibitor for PKCα, PKCγ and PKCη with IC50 of 2 nM, 5 nM and 4 nM, less potent to PKCδ (20 nM), PKCε (73 nM) and little active to PKCζ (1086 nM) in cell-free assays. Also shows inhibitory activities on other kinases, such as PKA, PKG, S6K, CaMKII, etc. Phase 3.	Cell Metab, 2025, S1550-4131(25)00149-4 Genes Dis, 2025, 12(3):101321 Cells, 2025, 14(6)450
S1113	GSK690693	GSK690693 is a pan-Akt inhibitor targeting Akt1/2/3 with IC50 of 2 nM/13 nM/9 nM in cell-free assays, also sensitive to the AGC kinase family: PKA, PrkX and PKC isozymes. GSK690693 also potently inhibits AMPK and DAPK3 from the CAMK family with IC50 of 50 nM and 81 nM, respectively. GSK690693 affects Unc-51-like autophagy activating kinase 1 (ULK1) activity, robustly inhibits STING-dependent IRF3 activation. Phase 1.	Front Cell Infect Microbiol, 2025, 15:1543186 Biomol Ther (Seoul), 2025, 33(1):170-181 EMBO J, 2024, 10.1038/s44318-024-00244-9
S1573	Fasudil HCl	Fasudil HCl, a potent and selective inhibitor of Rho kinase, displays less potent inhibiton over PKA, PKG, PKC and MLCK with Ki of 1.6, 1.6, 3.3, and 36 μM in cell-free assays, respectively. Fasudil is also a calcium channel blocker.	Transl Oncol, 2025, 51:102209 J Immunother Cancer, 2024, 12(11)e009805 Sci China Life Sci, 2024, 67(8):1549-1562
S2670	A-674563 HCl	A-674563 HCl is an Akt1 inhibitor with K_i of 11 nM in cell-free assays, modest potent to PKA and >30-fold selective for Akt1 over PKC.	Nat Commun, 2025, 16(1):3012 J Biol Chem, 2024, 300(2):105641 Nat Commun, 2023, 14(1):886
S8388	ML-7 HCl	ML-7 is an inhibitor of smooth muscle myosin light chain kinase (MLCK) with a Ki value of 0.3 µM and displays reversible, ATP-competitive inhibition of Ca2+-calmodulin-dependent and -independent smooth muscle MLCKs. ML-7 also inhibits PKA and PKC with Ki of 21 μM and 42 μM, respectively.	Cell Mol Life Sci, 2025, 82(1):201 Commun Biol, 2025, 8(1):607 J Pharmacol Sci, 2025, 158(3):172-181
S7563	AT13148	AT13148 is an oral, ATP-competitive, multi-AGC kinase inhibitor with IC50 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. Phase 1.	Neoplasia, 2023, 10.1016/j.neo.2023.100948 Cancers (Basel), 2022, 14(23)5943 Br J Cancer, 2021, 10.1038/s41416-021-01442-6
S2554	Daphnetin	Daphnetin, a natural coumarin derivative, is a protein kinase inhibitor, inhibits EGFR, PKA and PKC with IC50 of 7.67 μM, 9.33 μM and 25.01 μM, respectively, also known to exhibit anti-inflammatory and anti-oxidant activities.	Sci Rep, 2021, 11(1):11491 Acta Neuropathol, 2020, 10.1007/s00401-020-02226-7 Int Immunopharmacol, 2019, 72:195-203
S0754	Bisindolylmaleimide IV	Bisindolylmaleimide IV (Arcyriarubin A, BIM IV, Compound 5/1a) is a potent inhibitor of protein kinase C (PKC) with IC50 of 0.55 μM. Bisindolylmaleimide IV also inhibits PKA with IC50 of 11.8μM. Bisindolylmaleimide IV is a potent, selective inhibitor of human cytomegalovirus (HCMV) replication in cell culture with IC50 of 0.2 μM.	Elife, 2021, 10e68473
E7109^New	PKI(5-24)	PKI(5-24) is a potent, competitive, and synthetic peptide inhibitor of PKA (cAMP-dependent protein kinase), with a Ki of 2.3 nM. It can be used for research to study hormonal regulation of the CAMP-dependent protein kinase.
E7359^New	A-674563	A-674563 is a selective, orally active inhibitor of Akt1 with a Ki of 11 nM. It also inhibits PKA with Ki of 16 nM and CDK2 with Ki of 46 nM. A-674563 reduces Akt downstream target phosphorylation and inhibits tumor cell proliferation in vitro with an EC50 of 0.4 µM.
S6214	H-1152 dihydrochloride	H-1152 dihydrochloride (2HCl) is a membrane-permeable and selective inhibitor of Rho-associated protein kinase (ROCK). H-1152 inhibits ROCK2, PKA, PKC, PKG, AuroraA and CaMK2 with IC50 of 0.0120 μM, 3.03 μM, 5.68 μM, 0.360 μM, 0.745 μM and 0.180 μM, respectively.
S2964	HA-100 dihydrochloride	HA-100 dihydrochloride is an inhibitor of cGMP-dependent protein kinase (PKG), cAMP-dependent protein kinase (PKA), protein kinase C (PKC) and MLC-kinase with IC50 of 4 μM, 8 μM, 12 μM and 240 μM, respectively.	Adv Sci (Weinh), 2024, 11(4):e2304987
S7858	Dibutyryl-cAMP (Bucladesine)	Dibutyryl-cAMP (Bucladesine, dbcAMP) is a cell-permeable PKA activator by mimicing the action of endogenous cAMP. Dibutyryl-cAMP (Bucladesine) is also a phosphodiesterase (PDE) inhibitor.	PLoS Pathog, 2025, 21(2):e1012367 Cell Rep Med, 2024, 5(3):101477 ACS Appl Mater Interfaces, 2024, 16(40):54292-54303
S7857	8-Bromo-cAMP sodium salt	8-Bromo-cAMP sodium salt is a cell permeable analog of cAMP that activates cyclic-AMP-dependent protein kinase with a Ka value of 0.05 μM; and a PKA activator.	Elife, 2024, 13RP97507 Stem Cell Res Ther, 2024, 15(1):438 Biomed Pharmacother, 2024, 176:116858
E4793^New	Bucladesine calcium	Bucladesine calcium (Dibutyryl-cAMP Calcium Salt, DBcAMP calcium salt) is a cell-permeable analog of cyclic AMP. It serves as a potent activator of protein kinase A (PKA) and mimics the effects of endogenous cAMP. It also inhibits phosphodiesterase (PDE) activity, with the potential to treat congestive heart failure, wound healing, and inflammation.
E2506	A-3 hydrochloride	A-3 hydrochloride, a potent, cell-permeable, reversible, ATP-competitive non-selective antagonist of various kinases, againsts cAMP-dependent protein kinase (PKA) (Ki=4.3 µM), casein kinase II (CK2) (Ki=5.1 µM) and myosin light chain kinase (MLCK) (Ki=7.4 µM), also inhibits Protein Kinase C (PKC) and casein kinase I (CK1) with Ki values of 47 µM and 80 µM, respectively.
F1294^New	PKA RI-α Rabbit mAb
E7109^New	PKI(5-24)	PKI(5-24) is a potent, competitive, and synthetic peptide inhibitor of PKA (cAMP-dependent protein kinase), with a Ki of 2.3 nM. It can be used for research to study hormonal regulation of the CAMP-dependent protein kinase.
E4793^New	Bucladesine calcium	Bucladesine calcium (Dibutyryl-cAMP Calcium Salt, DBcAMP calcium salt) is a cell-permeable analog of cyclic AMP. It serves as a potent activator of protein kinase A (PKA) and mimics the effects of endogenous cAMP. It also inhibits phosphodiesterase (PDE) activity, with the potential to treat congestive heart failure, wound healing, and inflammation.
E7359^New	A-674563	A-674563 is a selective, orally active inhibitor of Akt1 with a Ki of 11 nM. It also inhibits PKA with Ki of 16 nM and CDK2 with Ki of 46 nM. A-674563 reduces Akt downstream target phosphorylation and inhibits tumor cell proliferation in vitro with an EC50 of 0.4 µM.

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