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_4065	XCP2_ARATH	--NA--	"Arabidopsis thaliana"	Brassicaceae	--NA--	Signaling-peptide	"Complete proteome; Glycoprotein; Hydrolase; Membrane; Protease; Signal; Thiol protease; Vacuole; Zymogen | Xylem cysteine proteinase 2 precursor (EC 3.4.22.-) (AtXCP2).Vacuole (By similarity). Cell membrane (By similarity). Note=Predominantly vacuo"	--NA--	AAVGYGSSKGSDYIIVKNSWGPKWGEKGYIRLKRNTGKPEGLCGINKMASAEVKNQGSCGSCWAFSTVAAVEGINKIVTGNLTTLSEQELIDCDTTYNNGCNGGLMDYAFEYIVKNGGLRKEEDYPYSMEEGTCEMQKDESETVTINGHQDLSHEEFKKMYLGLKTDIVRRDEERSYAEFAYRDVEAVPKSVDWRKKGAVDVPTNDEKSLLKALAHQPLSVAIDASGREFQFYSGGVFDGRCGVDLDHGVFENWISNFEKAYETVEEKFLRFEVFKDNLKHIDETNKKGKSYWLGLNEFAFPTKTKMALSSPSRILCFALALSAASLSLSFASSHDYSIVGYSPEDLESHDKLIEL	356	"Experimental evidence at protein level"	39707.5	39682.42	5.16	--NA--	"FUNCTION:Probable thiol protease (By similarity).TISSUE SPECIFICITY:Mostly expressed in roots, stems and flowers.Confined to tracheary elements, and specifically to xylem.SIMILARITY:Belongs to the peptidase C1 family."