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_4730	PGLR_MALDO	--NA--	"Malus domestica, Malus sylvestris"	Rosaceae	--NA--	Signaling-peptide	"Cell wall; Cell wall biogenesis/degradation; Fruit ripening; Glycoprotein; Glycosidase; Hydrolase; Secreted; Signal | Polygalacturonase precursor (EC 3.2.1.15) (PG) (Pectinase).Secreted."	--NA--	AYKGVVSPRCCINVQASCLTVTAPEDSPNTDGIHVTNTQNITISSSVIGTGDDCISIVSGCKSQLTLQIYGTIEASEDRSIYKDIDHWLIFDNVQNLLVVGPGTINGNGNIWWKNSCKIKPQPPCGTYAPTAVTFNRCNNLVVKNLNIQDAQQIHVIFQNKNVLYQNIRGTSASGDAITLNCSQSVPCQGIVLQSVQLQNGRAECNNVQPKTWKGGSGSATNIVFQNVQMNDVTNPIIIDQNYCDHKTKDCKQQKSAVQVMALKTQLLWSFVVVFVVSFSTTSCSGSSFQEVNALHSYVDHVDDKESGYNSQRVQATDITCGPGHGISIGSLGEDGSEDHVSGVFVNGAKLSGTSNGLRISRAYPSYTDTIEGLKVMELIRPRTQLFSSRKLNTITGGIATSSAPAKTISVDDFGAKGNGADDTQAFVKAWKAACSSSGAMVLVVPQKNYLVRPIEFSGP	460	"Experimental evidence at transcript level"	49403.62	49372.54	7.15	--NA--	"FUNCTION:Acts in concert with the pectinesterase, in the ripening process. Is involved in cell wall metabolism, specifically in polyuronide degradation.CATALYTIC ACTIVITY:Random hydrolysis of 1,4-alpha-D- galactosiduronic linkages in pectate and other galacturonans.SIMILARITY:Belongs to the glycosyl hydrolase 28 family."