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Ca2 /calmodulin-dependent protein kinase II

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By Targets:	CaMK (11) Antibiotic (1) Apoptosis (2) Autophagy (4) Bacterial (1) Cholinesterase (ChE) (1) Phosphatase (2) PKA (1) PKC (5) PROTACs (1) Reference Standards (1) Trk Receptor (1)
By Research Areas:	Cardiovascular Disease (2) Infection (2) Inflammation/Immunology (1) Metabolic Disease (3) Neurological Disease (10)

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Targets Recommended: CaMK Calcium Channel CRAC Channel Na+/Ca2+ Exchanger Photosystem II CaSR Calmodulin CD74

Cat. No.	Product Name	Target	Research Areas	Chemical Structure

HY-N6732

K-252a 25+ Cited Publications SF2370; Antibiotic K 252a; Antibiotic SF 2370	Autophagy PKA PKC Trk Receptor CaMK	Infection Inflammation/Immunology
K-252a, a staurosporine analog, inhibits **protein kinase, with IC₅₀** values of 470 nM, 140 nM, 270 nM, and 1.7 nM for PKC, PKA, Ca ²⁺/calmodulin-dependent kinase type II, and phosphorylase kinase, respectively . K-252a is a potent inhibitor (IC₅₀ of 3 nM) of the tyrosine protein kinase (TRK) activity of the NGF receptor gp140trk, the product of the trk protooncogene .

HY-Z0478

(-)-Limonene 1 Publications Verification (S)-(-)-Limonene	Bacterial Antibiotic CaMK	Infection Cardiovascular Disease Metabolic Disease
(-)-Limonene ((S)-(-)-Limonene) is orally active and can cause mild bronchoconstriction. (-)-Limonene alleviates cytosolic and mitochondrial oxidative stress by inhibiting the increase of calcium ions (Ca ²⁺) and Ca ²⁺/calmodulin-dependent protein kinase II (CaMKII). It also exerts anti-stress effects by inhibiting the activity of the hypothalamic-pituitary-adrenal (HPA) axis. Additionally, (-)-Limonene can be used as an antibacterial agent in aquaculture .

HY-108599

DCP-LA 5+ Cited Publications FR236924	PKC CaMK Phosphatase Apoptosis	Neurological Disease
DCP-LA (FR236924), a linoleic acid derivative, selectively and directly activates PKCε. DCP-LA activates Ca( ²⁺)/calmodulin-dependent protein kinase II (CaMKII) and inhibits protein phosphatase-1 (PP-1) to stimulate AMPA receptor exocytosis. DCP-LA inhibits activation of caspase-3/-9 and protects neurons at least in part from oxidative stress-induced apoptosis .

HY-P1821

Myelin Basic Protein 2 Publications Verification MHP4-14	PKC	Neurological Disease
Myelin Basic Protein (MHP4-14), a synthetic peptide comprising residues 4-14 of myelin basic protein, is a very selective PKC substrate (K_m=7 μM). Myelin Basic Protein is not phosphorylated by cyclic AMP-dependent protein kinase, casein kinases I and II, Ca ²⁺/calmodulin-dependent protein kinase II, or phosphorylase kinase, and can be routinely used for the assay of protein kinase C with low background in the crude tissue extracts .

HY-110140

(E)-KN-93 phosphate	CaMK	Cardiovascular Disease Neurological Disease
(E)-KN-93 phosphate is a Ca ²⁺/calmodulin-dependent protein kinase II (CaMKII) inhibitor with IC₅₀ values of 9 μM and 3 μM against CaMKIIδ_Monomer and CaMKIIδ_Dodecamer, respectively. (E)-KN-93 phosphate can be used in research on epilepsy, depression, and arrhythmias. .

HY-100779

Rimacalib SMP 114	CaMK Autophagy	Metabolic Disease
Rimacalib (SMP 114) is a Ca ²⁺/calmodulin-dependent protein kinase II (CaMKII) inhibitor, with IC₅₀s of ~1 μM for CaMKIIα to ~30 μM for CaMKIIγ .

HY-W170020

PTCA	CaMK	Metabolic Disease
PTCA is a potent Ca2+/calmodulin-dependent protein kinase II α (CaMKIIα) ligand with a pK_i value of 7.2 .

HY-146268

CaMKIIα-IN-1	CaMK	Neurological Disease
CaMKIIα-IN-1 (Compound 4d) is an orally active Ca ²⁺/calmodulin-dependent protein kinase II α (CaMKIIα) inhibitor with a K_D of 219 nM for CaMKIIα WT hub. CaMKIIα-IN-1 has good metabolic stability .

HY-P1821A

Myelin basic protein (4-14) TFA 2 Publications Verification MHP4-14 TFA	PKC	Neurological Disease
Myelin Basic Protein (MHP4-14) TFA, a synthetic peptide comprising residues 4-14 of myelin basic protein, is a very selective PKC substrate (K_m=7 μM). Myelin Basic Protein TFA is not phosphorylated by cyclic AMP-dependent protein kinase, casein kinases I and II, Ca ²⁺/calmodulin-dependent protein kinase II, or phosphorylase kinase, and can be routinely used for the assay of protein kinase C with low background in the crude tissue extracts .

HY-P1479

Calmodulin-Dependent Protein Kinase II (290-309)	Autophagy CaMK	Neurological Disease
Calmodulin-Dependent Protein Kinase II (290-309) is a potent CaMK antagonist with an IC₅₀ of 52 nM for inhibition of Ca2+/calmodulin-dependent protein kinase II .

HY-P1479A

Calmodulin-Dependent Protein Kinase II(290-309) acetate	Autophagy CaMK	Neurological Disease
Calmodulin-Dependent Protein Kinase II (290-309) acetate is a potent CaMK antagonist with an IC₅₀ of 52 nM for inhibition of Ca2+/calmodulin-dependent protein kinase II .

HY-156104

CaMKIIα-PHOTAC	PROTACs CaMK	Neurological Disease
CaMKIIα-PHOTAC is a photochemically targeted chimera (PHOTAC) targeting Ca2+/calmodulin-dependent protein kinase II α (CaMKIIα). Molecules such as PHOTAC can catalyze the ubiquitination and degradation of target proteins through the endogenous proteasome under specific wavelengths of light. CaMKIIα-PHOTAC reduces synaptic function under light conditions, and it attenuates the intensity of evoked field excitatory postsynaptic potentials in the mouse hippocampus in response to physiological stimuli. CaMKIIα-PHOTAC plays a critical role in maintaining long-term potentiation and memory capacity in subcellular dendritic domains .

HY-108599R

DCP-LA (Standard) FR236924 (Standard)	Reference Standards PKC CaMK Phosphatase Apoptosis	Neurological Disease
DCP-LA (Standard) is the analytical standard of DCP-LA. This product is intended for research and analytical applications. DCP-LA (FR236924), a linoleic acid derivative, selectively and directly activates PKCε. DCP-LA activates Ca(2+)/calmodulin-dependent protein kinase II (CaMKII) and inhibits protein phosphatase-1 (PP-1) to stimulate AMPA receptor exocytosis. DCP-LA inhibits activation of caspase-3/-9 and protects neurons at least in part from oxidative stress-induced apoptosis[1][2][3].

HY-116153

HUHS2002	Cholinesterase (ChE)	Neurological Disease
HUHS2002 is a free fatty acid derivative with the ability to enhance α7 cholinergic receptor activity. HUHS2002 enhances whole-cell membrane currents of α7 ACh receptors expressed in Xenopus oocytes in a concentration-dependent manner. The effects of HUHS2002 were blocked in the presence of the Ca2 /calmodulin-dependent protein kinase II (CaMKII) inhibitor KN-93. HUHS2002 activated CaMKII in cultured rodent hippocampal neurons, and this activation was abolished by KN-93. HUHS2002 also partially inhibited the activity of protein phosphatase 1 (PP1) in a cell-free PP1 activity assay .

Cat. No.	Product Name	Target	Research Area

HY-P1821

Myelin Basic Protein 2 Publications Verification MHP4-14	PKC	Neurological Disease
Myelin Basic Protein (MHP4-14), a synthetic peptide comprising residues 4-14 of myelin basic protein, is a very selective PKC substrate (K_m=7 μM). Myelin Basic Protein is not phosphorylated by cyclic AMP-dependent protein kinase, casein kinases I and II, Ca ²⁺/calmodulin-dependent protein kinase II, or phosphorylase kinase, and can be routinely used for the assay of protein kinase C with low background in the crude tissue extracts .

HY-P1821A

Myelin basic protein (4-14) TFA 2 Publications Verification MHP4-14 TFA	PKC	Neurological Disease
Myelin Basic Protein (MHP4-14) TFA, a synthetic peptide comprising residues 4-14 of myelin basic protein, is a very selective PKC substrate (K_m=7 μM). Myelin Basic Protein TFA is not phosphorylated by cyclic AMP-dependent protein kinase, casein kinases I and II, Ca ²⁺/calmodulin-dependent protein kinase II, or phosphorylase kinase, and can be routinely used for the assay of protein kinase C with low background in the crude tissue extracts .

HY-P1479

Calmodulin-Dependent Protein Kinase II (290-309)	Autophagy CaMK	Neurological Disease
Calmodulin-Dependent Protein Kinase II (290-309) is a potent CaMK antagonist with an IC₅₀ of 52 nM for inhibition of Ca2+/calmodulin-dependent protein kinase II .

HY-P1479A

Calmodulin-Dependent Protein Kinase II(290-309) acetate	Autophagy CaMK	Neurological Disease
Calmodulin-Dependent Protein Kinase II (290-309) acetate is a potent CaMK antagonist with an IC₅₀ of 52 nM for inhibition of Ca2+/calmodulin-dependent protein kinase II .

K-252a 25+ Cited Publications SF2370; Antibiotic K 252a; Antibiotic SF 2370	Alkaloids Structural Classification Microorganisms Classification of Application Fields Inflammation/Immunology Disease Research Fields Indole Alkaloids Source Classification	Autophagy PKA PKC Trk Receptor CaMK
K-252a, a staurosporine analog, inhibits **protein kinase, with IC₅₀** values of 470 nM, 140 nM, 270 nM, and 1.7 nM for PKC, PKA, Ca ²⁺/calmodulin-dependent kinase type II, and phosphorylase kinase, respectively . K-252a is a potent inhibitor (IC₅₀ of 3 nM) of the tyrosine protein kinase (TRK) activity of the NGF receptor gp140trk, the product of the trk protooncogene .

(-)-Limonene 1 Publications Verification (S)-(-)-Limonene	Cardiovascular Disease Other Monoterpenes Microorganisms Classification of Application Fields Terpenoids Rutaceae Plants Citrus Disease Research Fields Source Classification	Bacterial Antibiotic CaMK
(-)-Limonene ((S)-(-)-Limonene) is orally active and can cause mild bronchoconstriction. (-)-Limonene alleviates cytosolic and mitochondrial oxidative stress by inhibiting the increase of calcium ions (Ca ²⁺) and Ca ²⁺/calmodulin-dependent protein kinase II (CaMKII). It also exerts anti-stress effects by inhibiting the activity of the hypothalamic-pituitary-adrenal (HPA) axis. Additionally, (-)-Limonene can be used as an antibacterial agent in aquaculture .

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BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature. Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred to a PVDF membrane and blocked with 5% non-fat milk in TBST for 2 hour at room temperature. The primary antibody (1/1000) and Loading control antibody (Beta Actin, HY-P80438, 1/10000) was used in 5% non-fat milk in TBST at 4°C overnight. Goat Anti-Mouse/Rabbit IgG-HRP Secondary Antibody (1/10000) was used for 1 hour at room temperature.

BODIPY 493/503 purchased from MedChemExpress. Usage Cited in: Nat Commun. 2025 Feb 1;16(1):1241. [Abstract]

MedchemExpress Validation 01

MedchemExpress Validation 03

Western blot analysis of extracts from THP-1(lane 2(20μg), Jurkat (lane 3(20μg) and NIH3T3(lane 4(20μg) using FOXO1A (HY-P80132) Rabbit mAb. Proteins were transferred

MedchemExpress Validation 04

MedchemExpress Validation

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Ca2 /calmodulin-dependent protein kinase II

Inhibitors & Agonists

Peptides

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Natural
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