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Literature summary for 3.4.15.1 extracted from

  • Qian, Z.J.; Je, J.Y.; Kim, S.K.
    Antihypertensive effect of angiotensin i converting enzyme-inhibitory peptide from hydrolysates of Bigeye tuna dark muscle, Thunnus obesus (2007), J. Agric. Food Chem., 55, 8398-8403.
    View publication on PubMed

Application

Application Comment Organism
medicine peptide derived from tuna dark muscle would be a beneficial ingredient for functional food or pharmaceuticals against hypertension and its related diseases Rattus norvegicus

Inhibitors

Inhibitors Comment Organism Structure
additional information inhibitory peptide is isolated from tuna dark muscle hydrolysate prepared by alcalase, neutrase, pepsin, papain, alpha-chymotrypsin, and trypsin, respectively. Among hydrolysates, the pepsin-derived hydrolysate exhibited the highest ACE I inhibitory activity versus those of other enzyme hydrolysates. The structure of the peptide is identified to be Trp-Pro-Glu-Ala-Ala-Glu-Leu-Met-Met-Glu-Val-Asp-Pro Oryctolagus cuniculus
Trp-Pro-Glu-Ala-Ala-Glu-Leu-Met-Met-Glu-Val-Asp-Pro noncompetitive inhibitor Oryctolagus cuniculus
Trp-Pro-Glu-Ala-Ala-Glu-Leu-Met-Met-Glu-Val-Asp-Pro noncompetitive inhibitor.The peptide has an antihypertensive effect according to the time-course measurement after oral administration to spontaneously hypertensive rats. Maximal reduction is detected 3 h after oral administration at a dose of 10 mg/kg of body weight Rattus norvegicus

Organism

Organism UniProt Comment Textmining
Oryctolagus cuniculus
-
-
-
Rattus norvegicus
-
spontaneously hypertensive rats
-

Source Tissue

Source Tissue Comment Organism Textmining
lung
-
Oryctolagus cuniculus
-

Substrates and Products (Substrate)

Substrates Comment Substrates Organism Products Comment (Products) Rev. Reac.
hippuryl-His-Leu + H2O
-
Oryctolagus cuniculus hippuric acid + His-Leu
-
?

Synonyms

Synonyms Comment Organism
ACE
-
Rattus norvegicus
ACE
-
Oryctolagus cuniculus
angiotensin I converting enzyme
-
Rattus norvegicus
angiotensin I converting enzyme
-
Oryctolagus cuniculus

Ki Value [mM]

Ki Value [mM] Ki Value maximum [mM] Inhibitor Comment Organism Structure
0.0266
-
noncompetitive inhibitor
-
Oryctolagus cuniculus

IC50 Value

IC50 Value IC50 Value Maximum Comment Organism Inhibitor Structure
0.0216
-
-
Oryctolagus cuniculus Trp-Pro-Glu-Ala-Ala-Glu-Leu-Met-Met-Glu-Val-Asp-Pro