|Chemical and physical data|
|Molar mass||1365.584 g/mol g·mol−1|
|3D model (JSmol)|
Zyklophin is a semisynthetic peptide derived from dynorphin A and a highly selective antagonist of the κ-opioid receptor (KOR). It is systemically-active, displaying good metabolic stability and blood-brain-barrier penetration. Similarly to other KOR antagonists, it has been shown to block stress-induced reinstatement of cocaine-seeking in animals. The drug is currently experimental, and thus cannot be considered safe for consumption or usage.
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