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_5508	SFTI1_HELAN	--NA--	"Helianthus annuus"	Asteraceae	--NA--	Signaling-peptide	"3D-structure; Direct protein sequencing; Protease inhibitor; Serine protease inhibitor; Signal | Trypsin inhibitor 1 precursor (SFTI-1)."	--NA--	FPDGRPMATTMAKLITLVVLAILAFVEVSVSGYKTSISTITIEDNGRCTKSIPPIC	56	"Experimental evidence at protein level"	5971.1	5967.16	8.02	--NA--	"FUNCTION:Inhibits trypsin, cathepsin G, elastase, chymotrypsin and thrombin. Does not inhibit factor Xa.PTM:This is a cyclic peptide.MASS SPECTROMETRY:Mass=1513; Method=Electrospray; Range=40-53; Source=PubMed:10390350; "