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About: Hemorphin-4     Goto   Sponge   NotDistinct   Permalink

An Entity of Type : yago:WikicatPeptides, within Data Space : dbpedia.demo.openlinksw.com associated with source document(s)

Type: Thingdul:ChemicalObjectchemical substanceChemical compoundyago:WikicatOpioidPeptidesyago:Abstraction100002137yago:Amide114724264yago:Chemical114806838yago:Compound114818238yago:Material114580897yago:Matter100020827yago:OrganicCompound114727670yago:Part113809207yago:Peptide114743046yago:PhysicalEntity100001930yago:Relation100031921chemical compoundyago:Substance100019613yago:WikicatPeptides New Facet based on Instances of this Class

Hemorphin-4 is an endogenous opioid peptide of the hemorphin family which possesses antinociceptive properties and is derived from the β-chain of hemoglobin in the bloodstream. It is a tetrapeptide with the amino acid sequence Tyr-Pro-Trp-Thr. Hemorphin-4 has affinities for the μ-, δ-, and κ-opioid receptors that are in the same range as the structurally related β-casomorphins, although affinity to the κ-opioid receptor is markedly higher in comparison. It acts as an agonist at these sites. Hemorphin-4 also has inhibitory effects on angiotensin-converting enzyme (ACE), and as a result, may play a role in the regulation of blood pressure. Notably, inhibition of ACE also reduces enkephalin catabolism.