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_4408	AGP21_ARATH	--NA--	"Arabidopsis thaliana"	Brassicaceae	--NA--	Signaling-peptide	"Complete proteome; Glycoprotein; GPI-anchor; Lipoprotein; Membrane; Proteoglycan; Signal | Arabinogalactan peptide 21 precursor (AG-peptide 21).Cell membrane; Lipid-anchor, GPI-anchor (Potential)."	--NA--	ALASGFIFMEAMKMKMMVFIMVVAVAFSAATAATVEAPAPSPTSDAAMFVPALFASVV	58	"Experimental evidence at protein level"	5945.2	5940.98	4.68	--NA--	"FUNCTION:Proteoglycan that seems to be implicated in diverse developmental roles such as differentiation, cell-cell recognition, embryogenesis and programmed cell death.PTM:O-glycosylated on the hydroxyproline residues (By similarity).SIMILARITY:Belongs to the AG-peptide AGP family."