Y-27632 dihydrochloride (Y-27632 2HCl) is an orally potent, ATP-competitive inhibitor of ROCK-I and ROCK-II. Y-27632 dihydrochloride also inhibits isolation-induced apoptosis in mouse prostate stem or progenitor cells.

UR-13870 (Org 48762-0) is an orally active and selective inhibitor of p38 mitogen-activated protein kinase (MAPK), which prevents bone damage in collagen-induced arthritis in mice.

Fasudil (HA-1077) is a potent inhibitor of ROCK1, PKA, PKC, and MLCK.

ZIP acetate is a novel, cell-permeable inhibitor of protein kinase Mζ (PKMζ), a constitutively active, atypical PKC isozyme involved in LTP maintenance. Selectively blocks PKMζ-induced synaptic potentiation in hippocampal slices in vitro. Reverses late-ph

MKC-1 (Ro-31-7453) is an orally bioavailable, small-molecule, bisindolylmaleimide cell cycle inhibitor with potential antineoplastic activity. MKC-1 and its metabolites inhibit tubulin polymerization, blocking the formation of the mitotic spindle, which may result in

Emprumapimod (PF-07265803) is an orally active and specific inhibitor of mitogen-activated protein kinase p38α MAPK, inhibits LPS-induced production of IL-6, and can be used to study dilated cardiomyopathy induced by the LMNA gene.

TNIK-IN-3 is a highly potent and orally active inhibitor of Traf2- and Nck-interacting protein kinase (TNIK). It exhibits a strong selectivity for TNIK with an IC50 value of 0.026 μM. Additionally, TNIK-IN-3 demonstrates inhibitory activity against Flt4 (IC50 = 0.030 μM), Flt1 (IC50 = 0.191 μM), and DRAK1 (IC50 = 0.411 μM). This compound holds potential for carrying out research on colorectal cancer (CRC) [1].

EML4-ALK kinase inhibitor 1 (EML4 ALK kinase inhibitor 1) is a potent oral active inhibitor of echinoderm microtubule-associated protein-like 4-anaplastic lymphoma kinase (EML4-ALK), with an IC50 of 1 nM.

LP-922761 is a potent, selective, and orally active AAK1 inhibitor with inhibitory effects on BMP-2 induced protein kinase (BIKE).

Fasudil hydrochloride (HA-1077) 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.

Afatinib (BIBW 2992) is an irreversible inhibitor of EGFR family (EGFR-wt, EGFR-L858R, EGFR-L858R/T790M and HER2 with IC50s of 0.5 nM, 0.4 nM, 10 nM and 14 nM , respectively).

ONO-8130 is an orally available antagonist of EP1 receptor.

Novel, cell-permeable inhibitor of protein kinase Mζ (PKMζ), a constitutively active, atypical PKC isozyme involved in LTP maintenance. Selectively blocks PKMζ-induced synaptic potentiation in hippocampal slices in vitro. Reverses late-phase LTP (IC50 = 1

Zunsemetinib (ATI-450) is an orally active and selective inhibitor of the p38α mitogen-activated protein kinase-activated protein kinase 2 (MK2) pathway.Zunsemetinib is used to study spondyloarthritis and rheumatoid arthritis.

PD-166285 is an effective and broadly active inhibitor of protein tyrosine kinase.

Takeda-6d, a novel, potent DFG-out RAF/vascular endothelial growth factor receptor 2 (VEGFR2) inhibitor, inhibits B-RAF and VEGFR2 with IC50 of 7.0nM and 2.2nM.

Myristoylated AC3-I is a biologically active peptide and a myristoylated variant of the Autocamtide-3-Derived Inhibitory Peptide (AC3-I). It acts as a highly specific inhibitor of Calmodulin-Dependent Protein Kinase II (CaMKII) with enhanced resistance to proteolysis. This compound is a derivative of Autocamtide-3, where the Thr-9 phosphorylation site is replaced by Ala.

BRD4/CK2-IN-1 is the first potent, orally active dual-target inhibitor of BRD4/CK2 (bromodomain-containing protein 4/casein kinase 2), acting on both BRD4 (IC50: 180 nM) and CK2 (IC50: 230 nM). In triple-negative breast cancer (TNBC), BRD4/CK2-IN-1 induces apoptosis and autophagy-related cell death.

PKI (5-24),amide (IP20-amide) is a potent inhibitor of cAMP-dependent protein kinase (PKA) (PKA), with an inhibition constant (K i ) of 2.3 nM [1]. This 20-residue peptide mirrors the active segment of the heat-stable inhibitor protein specific to PKA, showcasing its significant inhibitory efficacy.

Ipivivint, a first-in-class, orally active and potent CDC-like kinase (CLK) inhibitor, inhibits CLK1 (IC50=1.4 μM), CLK2 (IC50=0.002 μM) and CLK3 (IC50=0.022 μM). Ipivivint reduces Wnt pathway signaling gene expression through inhibiting CLK activity and serine and arginine rich splicing factor (SRSF) phosphorylation and disrupting spliceosome activity. Ipivivint can be used for the research of cancer[1]. Ipivivint (SW480 cells; 0.01~10 μM; 1 hour) potently inhibits SRSF5/6 phosphorylation[1].Ipivivint (SW480 cells; 0.03 μM~3 μM; 48 hour) induced apoptosis[1]..Ipivivint (HEK-293T cells; 0.03 μM~3 μM; 1 hour) inhibits Wnt/β-catenin signaling induced by Wnt3a[1].Ipivivint (SW480 cells; 0.3~10 μM; 6 hour) increases nuclear speckle enlargement[1].Ipivivint (SW480 cells; 0.3~3μM; 24hours) significantly decreases expression of Wnt target genes (AXIN2, LEF1, MYC, and TCF7) and TCF7L2. SM08502 (SW480 cells; 0.03~3μM; 24hours) inhibits cytoplasmic or nuclear fractions protein expression. Ipivivint (NCI-N87 cells) inhibits proliferation[1].Ipivivint strongly inhibits Wnt pathway signaling activity (EC50 = 0.046 μM) in SW480 colon cancer cells[1]. Ipivivint (25 mg/kg; p.o.) potently inhibits tumor SRSF6 phosphorylation[1]. [1]. Tam BY, et al. The CLK inhibitor SM08502 induces anti-tumor activity and reduces Wnt pathway gene expression in gastrointestinal cancer models. Cancer Lett. 2020;473:186-197.

SEW 2871 is an orally available, highly selective S1P1 agonist with an EC50 of 13.8 nM.It reduces the number of lymphocytes in the blood and is used in studies related to diabetes, Alzheimer's disease, liver fibrosis, and inflammation. It activates ERK, Akt and Rac signaling pathways and induces S1P1 internalization and recycling.

GSK2983559 active metabolite (RIPK2-IN-1) is a potent, selective receptor-interacting protein-2 (RIP2) kinase inhibitor.

PKC-IN-4 (compound 7l) is a highly potent and orally active inhibitor of atypical protein kinase C (aPKC), exhibiting an IC 50 value of 0.52 μM. In vitro studies have demonstrated that PKC-IN-4 effectively suppresses NF-κB activity induced by TNF-α. Moreover, this compound effectively impedes the permeability of the retinal vasculature, induced by both VEGF and TNFα. [1]

DNA-PK-IN-8 is a potent, selective, and orally active inhibitor of DNA-dependent protein kinase (DNA-PK), demonstrating an IC50 value of 0.8 nM. It displays synergistic antiproliferative effects across various cancer cell lines and notably reduces HL-60 tumor growth when combined with Doxorubicin [1].

NYX-2925, an orally active NMDAR (N-methyl-D-aspartate receptor) modulator, enhances activated Src levels and Src phosphorylation at GluN2A and GluN2B sites in the mPFC (medial prefrontal cortex), without affecting CAMKII (Ca2+/calmodulin-dependent protein kinase II) or exhibiting addictive or sedative/ataxic side effects. It is utilized in the study of various CNS (central nervous system) disorders mediated by NMDA receptors.

BMY-42393 is orally active and selective platelet aggregation inhibitor. BMY-42393 is also a prostacyclin partial agonist that inhibited ADP, collagen and thrombin-induced platelet aggregation (IC50 range 0.3 - 2.0 microM). BMY-42393 stimulated platelet adenylate cyclase activity (EC50 = 25 nM). Platelets treated with BMY 42393 showed an elevation of cAMP levels and activation of cAMP-dependent protein kinase. BMY 42393 also inhibited thrombin-induced elevation of intracellular free calcium. BMY 42393 competed for radiolabeled iloprost and PGE1 binding to platelet membranes (IC50; 170 nM and 130 nM, respectively).

LP-922761 hydrate is a selective, potent, orally active AAK1 inhibitor with IC50 values of 4.8 nM and 7.6 nM in enzyme and cellular assays, respectively. LP-922761 hydrate inhibits BMP-2 inducible protein kinase (BIKE) (IC50: 24 nM). 922761 hydrate has no significant effect on cellular GAK, opioids, adrenergic α2 or GABAa receptors.

Benazoline oxalate salt is a pharmacological active compound that inhibits casein kinase Iε (CKIε) or CKIδ phosphorylation of the PER2 protein.

Ulecaciclib is an orally active, blood-brain barrier-transparent, cell cycle protein-dependent kinase (CDK) inhibitor that exhibits favorable pharmacokinetic profiles, with ki of 0.62 μM (CDK2/Cyclin A), 3 nM (CDK6/Cyclin D3), 0.2 nM (CDK4/Cyclin D1) and 0.63 μM (CDK7/Cyclin H) for CDKs. D1) and 0.63 μM (CDK7/Cyclin H).

PKI PKA Inhibitor (5-24) is a synthetic peptide inhibitor of PKA (cAMP-dependent protein kinase) (Ki= 2.3 nM) derived from the active site of the skeletal muscle inhibitor protein.1It mimics the protein substrate by binding to the catalytic site through the arginine-cluster basic subsite.1The prominent enzyme-substrate interaction site occurs where PKA catalytic subunit residues Tyr235and Phe239form a sandwich-like structure with residue Phe10of PKI (5-24).2

XL-418 is a selective, orally active small molecule, targeting protein kinase B (PKB or AKT) and ribosomal protein S6 Kinase (p70S6K), with potential antineoplastic activity. XL418 inhibits the activities of PKB and p70S6K, both acting downstream of phosphoinosotide-3 kinase (PI3K). These kinases are often upregulated in a variety of cancers. Inhibition of PKB by this agent will induce apoptosis, while inhibition of p70S6K will result in the inhibition of translation within tumor cells.

Darovasertib (LXS196) is a potent, selective and orally active protein kinase C (PKC) inhibitor(IC50 values of 1.9 nM, 0.4 nM and 3.1 μM for PKCα, PKCθ and GSK3β, respectively).

Afatinib Dimaleate (BIBW 2992MA2) is an orally bioavailable anilino-quinazoline derivative and inhibitor of the receptor tyrosine kinase (RTK) epidermal growth factor receptor (ErbB; EGFR) family, with antineoplastic activity.

BAY-8400 is an orally active, potent and selective DNA-dependent protein kinase ( DNA-PK ) inhibitor ( IC 50 =81 nM) which shows synergistic efficacy in combination with targeted alpha therapies. BAY-8400 can be used for the research of cancer [1].

LRRK2-IN-5 (compound 25) is an oral active, blood-brain barrier penetrating, selective leucine-rich repeat protein kinase 2 (LRRK2) inhibitor, which is effective for GS LRRK2 (IC50: 1.2 μM) and WT LRRK2 (IC50:16 μM) had inhibitory effects. LRRK2-IN-5 can inhibit the autophosphorylation of LRRK2 Ser1292 and Ser925.

TAT-GluN2BCTM is a membrane-permeable peptide that selectively targets active DAPK1 (Death-associated protein kinase 1) for lysosomal degradation, thereby protecting neurons against oxidative stress and NMDAR-mediated excitotoxicity. This compound's role in facilitating neuroprotection makes it a valuable agent for related research studies [1].

KR-39038 is an orally active GRK5 (G protein-coupled receptor kinase 5) inhibitor (IC50: 0.02 μM). KR-39038 inhibits the HDAC5 pathway in neonatal cardiomyocytes and significantly inhibits angiotensin II-induced hypertrophy, resulting in significant anti-myocardial hypertrophy and improved cardiac function. KR-39038 can be used to conduct heart failure studies.

PKI(5-22)amide, an active inhibitory fragment of the cyclic AMP-dependent protein kinase (PKA) inhibitor, effectively prevents PKA activation. However, it does not reduce the homologous desensitization of CRF1 receptors [1] [2].

SGK1-IN-3 is a potent, orally active SGK1 inhibitor. Among them, the serine/threonine kinase SGK1, an activator of the β-linked protein pathway and a powerful stimulator of cartilage degradation, has been found to be upregulated under genomic control in diseased osteoarthritic cartilage. SGK1-IN-3 shows research potential in osteoarthritis.

CC-90005 is a potent, selective and orally active inhibitor of protein kinase C-θ (PKC-θ), with an IC50 of 8 nM. CC-90005 shows selectivity for PKC-θ over PKC-δ (IC50=4440 nM). CC-90005 can inhibit T cell activation by IL-2 expression[1]. CC-90005 shows the exquisite selectivity of CC-90005, with IC50s for all other family members of >3 μM[1].CC-90005 is a moderate inhibitor of both CYP2C9 (IC50=8 μM) and CYP2C19 (IC50=5.9 μM) in human liver microsomes[1].CC-90005 inhibits IL-2 expression in LRS_WBC human PBMCs, with an IC50 of 0.15 μM[1].CC-90005 (1-10 μM; 24 h) inhibits T cell proliferation in PBMCs by 51% at 1 μM and 88% at 3 μM[1]. CC-90005 (3-30 mg/kg; p.o. twice daily for 4 days) significantly reduces the popliteal lymph node (PLN) size in a model of chronic T cell activation[1].CC-90005 (100 mg/kg; a single p.o.) significantly inhibits plasma and spleen IL-2 release by 51 and 54%, respectively[1].CC-90005 exhibits reasonable oral bioavailability (66 and 46%) and Cmax (1.18 and 1.2 μM) following oral administration (10 and 3 mg/kg) in rat and dog, respectively[1].CC-90005 exhibits the mean residence time (0.52 and 2.0 h), CL (69.1 and 20.5 mL/min/kg) and Vss (2.11 and 2.44 L/kg) following intravenous administration (2 and 1 mg/kg) in rat and dog, respectively[1]. [1]. Papa P, et, al. Discovery of the Selective Protein Kinase C-θ Kinase Inhibitor, CC-90005. J Med Chem. 2021 Aug 26;64(16):11886-11903.

PLX8394 is an orally active inhibitor of serine/threonine-protein kinase B-Raf (BRAF) protein. PLX8394 can selectively bind to and inhibit the activity of both wild-type and mutated forms of BRAF, then inhibit the proliferation of tumor cells which express mutated forms of BRAF. PLX8394 appears to be effective against tumors that express multiple mutated forms of the kinase and may be an effective therapeutic agent for tumors that are resistant to other BRAF inhibitor therapies that are specific for the BRAF V600E mutant.

MW-150 (MW01-18-150SRM) is a unique protein kinase inhibitor, is a selective, CNS penetrant, and orally active inhibitor of p38α MAPK with a Ki of 101 nM.

Bufalin is an active ingredient and one of the glycosides in the traditional Chinese medicine ChanSu; it is also a bufadienolide toxin originally isolated from the venom of the Chinese toad Bufo gargarizans, with potential cardiotonic and antineoplastic a

MK1496 is a n orally bioavailable Polo-like kinase 1 (Plk1) inhibitor with potential antineoplastic activity. Polo-like kinase 1 inhibitor MK1496 selectively inhibits Plk1, inducing selective G2/M arrest followed by apoptosis in a variety of tumor cells while causing reversible cell arrest at the G1 and G2 stage without apoptosis in normal cells. Plk1, named after the polo gene of Drosophila melanogaster, is a serine/threonine protein kinase involved in regulating mitotic spindle function in a non-ATP competitive manner. Check for active clinical trials or closed clinical trials using this agent. (NCI Thesaurus).

Myristoylated TFA Pep2m (Myr-Pep2m TFA) is a cell-permeable peptide that effectively disrupts the interactions between the protein kinase ζ (PKMζ) downstream targets—N-ethylmaleimide-sensitive factor/glutamate receptor subunit 2 (NSF/GluR2). PKMζ, an autonomously active isozyme of protein kinase C (PKC), plays a crucial role in these interactions [1] [2].

cRIPGBM chloride is an orally active, proapoptotic compound derived from glioblastoma multiforme (GBM) cancer stem cells (CSCs). It specifically targets receptor-interacting protein kinase 2 (RIPK2) to trigger caspase 1-dependent apoptosis. By inhibiting the formation of the RIPK2/TAK1 prosurvival complex and promoting the assembly of the RIPK2/caspase 1 proapoptotic complex, cRIPGBM chloride efficiently suppresses tumor growth. This action results in significant anti-tumor activity in animal models in vivo.

High affinity JNK inhibitor (Ki values are 25-50 nM). Inhibits JNK via competitive binding of the ATP-binding site of active, phosphorylated JNK. Exhibits > 40-fold selectivity for JNK over p38, ERK, IKK2, protein kinase C, Lck and ZAP70. Hepatoprotective. Also inhibits HCMV replication. Uehara et al (2004) c-Jun N-terminal kinase mediates hepatic injury after rat liver transplantation. Transplantation. 78 324 PMID:15316358 |Uehara et al (2005) JNK mediates hepatic ischemia reperfusion injury. J.Hepatol. 42 850 PMID:15885356 |Ma et al (2007) A pathogenic role for c-Jun amino-terminal kinase signaling in renal fibrosis and tubular cell apoptosis. J.Am.Soc.Nephrol. 18 472 PMID:17202416 |Ma et al (2009) Blockade of the c-Jun amino terminal kinase prevents crescent formation and halts established anti-GBM glomerulonephritis in the rat. Lab.Invest. 89 470 PMID:19188913 |Zhang et al (2015) The c-Jun N-terminal kinase inhibitor SP600125 inhibits human cytomegalovirus replication. J.Med.Virol. 87 2135 PMID:26058558 |Vasilevskaya et al (2015) Inhibition of JNK sensitizes hypoxic colon cancer cells to DNA-damaging agents. Clin.Cancer.Res. 21 4143 PMID:26023085

LRRK2-IN-6 (compound 22) is an orally active, selective leucine-rich repeat protein kinase 2 gene (LRRK2) inhibitor with blood-brain barrier permeability that inhibits GS LRRK2 (IC50: 4.6 μM) and WT LRRK2 (IC50: 49 μM). LRRK2-IN-6 exhibited an inhibitory effect on the autophosphorylation of LRRK2 Ser1292 and Ser925.

Purfalcamine is an orally active, selective Plasmodium falciparum calcium-dependent protein kinase 1 (PfCDPK1) inhibitor with an IC50 of 17 nM and an EC50 of 230 nM. Purfalcamine has antimalarial activity and causes malaria parasites developmental arrest at the schizont stage[1][2]. Purfalcamine has low activity against Toxoplasma gondii calcium-dependent protein kinase 3 (TgCDPK3)[1]. Purfalcamine (225, 450 nM) has no effect on the parasitemia in the first 32 hours. After about 40 hours, parasite level remains stable and then begins dropping[1]. Purfalcamine inhibits proliferation with EC50s of 171-259 nM for P. falciparum strains (3D7, Dd2, FCB, HB3 and W2), which indicates effectiveness against drug-resistant parasites[1]. Given that the EC50 value for P. falciparum (3D7) is 230 nM, Purfalcamine shows a therapeutic window ranging from 23-fold to 36-fold (EC50s for CHO=12.33 μM, HEp2=7.235 μM, HeLa=7.029 μM and Huh7=5.476 μM)[1]. Purfalcamine (10 mg/kg; oral gavage; BID; for 6 days) demonstrates a delay in the onset of parasitemia in treated mice[1]. Purfalcamine (20 mg/kg; orally gavage) exhibits a Cmax of 2.6 μM with a half-life of 3.1 hours[1]. Animal Model: Male BALB/c mice, 7 weeks of age with the malaria parasite[1] [1]. Nobutaka Kato, et al. Gene expression signatures and small-molecule compounds link a protein kinase to Plasmodium falciparum motility. Nat Chem Biol. 2008 Jun;4(6):347-56. [2]. Rajshekhar Y Gaji, et al. Expression of the essential Kinase PfCDPK1 from Plasmodium falciparum in Toxoplasma gondii facilitates the discovery of novel antimalarial drugs. Antimicrob Agents Chemother. 2014 May;58(5):2598-607.

(-)-Bornyl acetate (L-(-)-Bornyl acetate) is a less active enantiomer of (+)-Bornyl acetate. (-)-Bornyl acetate isolates from hyssop oil and possesses antifungal activity. (-)-Bornyl acetate shows highly active whitening and antioxidant activities, has potential applications in cosmeceutical materials. (-)-Bornyl acetate downregulated the levels of proinflammatory cytokines in vitro and in vivo; reduced the number of total cells, neutrophils, and macrophages in BALF; attenuated the histologic alterations in the lung; decreased the wet-to-dry weight ratio in BALF; and suppressed NF-kappa-B inhibitor alpha, extracellular regulated protein kinases, c-JunN-terminal kinase, p38 mitogen-activated protein kinase activation.