Date published: 2025-12-6

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KOR Activators

Santa Cruz Biotechnology now offers a broad range of KOR Activators for use in various applications. Kappa opioid receptors (KORs) are a type of G protein-coupled receptor that play a critical role in the modulation of pain, stress response, mood regulation, and the perception of reward. These receptors are primarily activated by the endogenous opioid peptide dynorphin, and they are distinct from other opioid receptors due to their unique physiological and behavioral effects. KOR Activators are essential tools in scientific research, enabling researchers to explore the specific roles of KORs in various neural and behavioral processes. By activating KORs, scientists can study how these receptors influence neurotransmitter release, neuronal excitability, and the overall functioning of neural circuits involved in stress and reward. These activators are widely used in neurobiological research to understand the mechanisms underlying addiction, depression, anxiety, and stress-related disorders. Additionally, KOR Activators are valuable in pharmacological studies aimed at developing new strategies for managing pain and mood disorders, as modulating KOR activity has shown potential in altering stress responses and reducing addictive behaviors. The availability of these activators has significantly advanced research in behavioral neuroscience and psychiatry, providing crucial insights into the complex dynamics of opioid receptor signaling and its broader implications for brain function and behavior. View detailed information on our available KOR Activators by clicking on the product name.

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Items 1 to 10 of 12 total

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Product NameCAS #Catalog #QUANTITYPriceCitationsRATING

Trimebutine maleate

34140-59-5sc-204928
sc-204928A
100 mg
5 g
$39.00
$80.00
6
(0)

Trimebutine maleate exhibits unique interactions with kappa-opioid receptors (KOR), influencing signaling pathways that modulate pain perception and gastrointestinal motility. Its molecular structure allows for selective binding, leading to distinct allosteric effects that alter receptor conformation. The compound's amphiphilic characteristics enhance its ability to traverse biological membranes, impacting its distribution and interaction kinetics within cellular environments. This behavior underscores its role in modulating receptor activity.

Matrine

519-02-8sc-205741
sc-205741A
100 mg
500 mg
$242.00
$544.00
(0)

Matrine demonstrates intriguing interactions with kappa-opioid receptors (KOR), characterized by its ability to stabilize receptor conformations through specific hydrogen bonding and hydrophobic interactions. This compound's unique stereochemistry facilitates selective receptor engagement, influencing downstream signaling cascades. Additionally, Matrine's lipophilic nature enhances its permeability across lipid membranes, affecting its bioavailability and interaction dynamics within cellular systems, thereby modulating receptor functionality.

(+)-U-50488 hydrochloride

67198-17-8sc-203712
sc-203712A
10 mg
50 mg
$155.00
$645.00
(0)

(+)-U-50488 hydrochloride exhibits a distinctive affinity for kappa-opioid receptors (KOR), engaging in nuanced molecular interactions that promote receptor activation. Its unique stereochemical configuration allows for precise binding, influencing receptor dynamics and subsequent intracellular signaling pathways. The compound's solubility characteristics enhance its interaction with lipid bilayers, facilitating effective membrane penetration and modulating receptor activity through altered conformational states.

ICI-204,448 hydrochloride

121264-04-8sc-203082
sc-203082A
5 mg
25 mg
$300.00
$700.00
(0)

ICI-204,448 hydrochloride is characterized by its selective binding to kappa-opioid receptors (KOR), showcasing a unique interaction profile that stabilizes specific receptor conformations. This compound's structural features enable it to engage in distinct hydrogen bonding and hydrophobic interactions, influencing receptor activation kinetics. Its physicochemical properties, including enhanced solubility, allow for efficient distribution within biological membranes, potentially affecting downstream signaling cascades.

(±)-U-50488 hydrochloride

67197-96-0sc-203713
1 mg
$99.00
(0)

(±)-U-50488 hydrochloride exhibits a remarkable affinity for kappa-opioid receptors (KOR), facilitating unique allosteric modulation that alters receptor dynamics. Its molecular architecture promotes specific electrostatic interactions, enhancing binding efficacy and selectivity. The compound's ability to traverse lipid bilayers is attributed to its optimized hydrophobic characteristics, which may influence receptor desensitization and internalization pathways, ultimately impacting cellular signaling networks.

(−)-U-50488 hydrochloride

67198-19-0sc-203714
sc-203714A
5 mg
25 mg
$140.00
$500.00
(0)

(-)-U-50488 hydrochloride is characterized by its selective engagement with kappa-opioid receptors (KOR), where it induces conformational changes that modulate receptor activity. The compound's stereochemistry plays a crucial role in its binding affinity, allowing for distinct interactions with receptor sites. Its solubility profile suggests favorable interactions with biological membranes, potentially influencing downstream signaling cascades and receptor trafficking mechanisms.

Trimebutine base

39133-31-8sc-204927
sc-204927A
25 g
50 g
$91.00
$400.00
(0)

Trimebutine base exhibits a unique affinity for kappa-opioid receptors (KOR), facilitating specific ligand-receptor interactions that alter receptor conformation. Its structural features enable it to stabilize receptor states, influencing downstream signaling pathways. The compound's hydrophilic and lipophilic balance enhances its ability to traverse cellular membranes, potentially affecting receptor localization and interaction dynamics within various cellular environments.

U-54494A hydrochloride

112465-94-8sc-200479
sc-200479A
10 mg
50 mg
$135.00
$595.00
(0)

U-54494A hydrochloride demonstrates a distinctive binding profile at kappa-opioid receptors (KOR), characterized by its ability to induce conformational changes that modulate receptor activity. The compound's unique steric and electronic properties facilitate selective interactions with receptor sites, influencing the kinetics of ligand binding and dissociation. Its solubility characteristics may also impact its distribution in biological systems, affecting receptor engagement and signaling cascades.

ICI-199,441 hydrochloride

115199-84-3sc-203081
sc-203081A
sc-203081B
1 mg
5 mg
25 mg
$30.00
$145.00
$400.00
1
(0)

ICI-199,441 hydrochloride exhibits a remarkable affinity for kappa-opioid receptors (KOR), showcasing a unique mechanism of action through allosteric modulation. Its structural conformation allows for specific interactions with receptor domains, enhancing or inhibiting downstream signaling pathways. The compound's dynamic binding kinetics contribute to its distinct pharmacological profile, while its physicochemical properties influence its interaction with lipid membranes, potentially affecting cellular uptake and receptor localization.

GR 89696 fumarate

126766-32-3sc-203982
sc-203982A
10 mg
50 mg
$184.00
$759.00
(0)

GR 89696 fumarate is characterized by its selective binding to kappa-opioid receptors (KOR), where it engages in unique ligand-receptor interactions that stabilize specific conformational states. This compound demonstrates a nuanced modulation of receptor activity, influencing G-protein coupling and downstream signaling cascades. Its solubility and stability in various environments enhance its potential for diverse interactions, impacting its overall bioavailability and receptor affinity.