Table 4.

The sequences of Cycloleonuripeptide cyclopeptides and related biological activities.

Peptide names	Peptide sequence	Cytotoxic activity	Pharmacological activities
Cycloleonuripeptide A	Cyclo(-Gly-Pro-Pro-Pro-Tyr-Pro-Pro-Met-Ile)
Cycloleonuripeptide B	Cyclo(-Gly-Pro-Pro-Pro-Tyr-Pro-Pro-Met(O)-Ile)	+
Cycloleonuripeptide C	Cyclo(-Gly-Pro-Pro-Pro-Tyr-Pro-Pro-Met(O)-Ile)	+
Cycloleonuripeptide D	Cyclo(-Ser-Pro-Pro-Pro-Tyr-Phe-Gln-Thr-Pro-Ile)		Cyclooxygenase inhibitor
Cycloleonuripeptide E	Cyclo(-Ala-Pro-Ile-Val-Ala-Ala-Phe-Thr-Pro)		Vasorelaxant
Cycloleonuripeptide F	Cyclo(-Gly-Tyr-Pro-Leu-Pro-Phe-Tyr-Pro-Pro)		Vasorelaxant