PPepDB-ID	"Peptide Name"	PMID	"Plant source"	"Plant Family"	"Peptide Family"	"Peptide function"	"Peptide function description"	"Activity against"	Sequence	"Sequence Length"	Validation	"Avg. Molecular wt(Da)"	"Monoisotopic molecular wt(Da)"	pI	Method	"Additional information"
PPepDB_2001	SFTI-1	"11493011, 16036912"	"Helianthus annuus, Helianthus exilis, Helianthus tuberosus"	Asteraceae	"BBI-like trypsin inhibitor"	"Protease-inhibitor, Enzymatic-digestion"	"inhibits trypsin, cathepsin G, elastase, chymotrypsin and thrombin."	--NA--	GRCTKSIPPICFPD	14	"Experimental evidence at protein level"	1533.82	1532.75	8.06	--NA--	"Bifunctional analogues of SFTI-1 found to have trypsin and chymotrypsin inhibitory activity, SFTI-1, an acyclic permutant and a [CYS-Abu]-cyclic mutant shown to possess potent trypsin inhibitory activity, nano-molar inhibitory effect against matriptase and trypsin, Both SFTI-1 and acyclic SFTI-1 are potent inhibitors of bovine beta trypsin, Bifunctional analogues of SFTI-1 found to be resistant to hydrolysis by trypsin"