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_4031	IPRA_SAGSA	--NA--	"Sagittaria sagittifolia"	Alismataceae	--NA--	Signaling-peptide	"Direct protein sequencing; Protease inhibitor; Secreted; Serine protease inhibitor; Signal | Proteinase inhibitor A precursor (Double-headed proteinase inhibitor,A) (API-A).Secreted."	--NA--	AAIGFRGGLSTLHKDACKSYVYEAPETDRGLPVGFSASATSQPVMQLGSRMAASNALLLISGVLLISLAVLCHGDPVVDSDGDAVQLNLGGNYPLYTIQSVNGRTLLGIGGEHFTVRFQKFDALAMKTAPQYKFSFSMPVPLICDTAWSIGKSTEETGVYKLAACSCEFCKIACPEVGSFN	181	"Experimental evidence at protein level"	19152	19139.54	5.89	--NA--	"FUNCTION:Possesses two reactive sites. Inhibits an equimolar amount of trypsin and chymotrypsin simultaneously, and inhibits kallikrein weakly.SIMILARITY:Belongs to the protease inhibitor I3 (leguminous Kunitz-type inhibitor) family."