Jellyfish venom extract (JVE) was prepared and subjected to successive pepsin and papain enzymatic hydrolysis.
The sample was fractionated using SP-Sephadex G-25 and RP-HPLC chromatography to identify peptides inhibiting ACE activity.
One peptide sequenced de novo using MALDI-TOF-MS, ACPGPNPGRP, has an IC50 of 2.03 μM.
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