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_4706	ZEAX_MAIZE	--NA--	"Zea mays"	Poaceae	--NA--	Signaling-peptide	"Repeat; Seed storage protein; Signal; Storage protein | Zein-alpha PZ22.1/22A1 precursor (22 kDa zein PZ22.1/22A1)."	--NA--	AVQAYRLQLALAASALQQPIAQLQQQSLAHLTLQTIATQQQQQQFLPSLSAVYLQLLSSSPLAVGNAPTYLQQQLLQQIVPALTQLAVANPAAYLQQLLPFNQLAVSNSAAYLQQRQQLLNPLAVANPLVATFLQQQQQLLPYNQFSLMNHLAMVNPVTYLQQQLLASNPLALANVAAYQQQQQLQQFMPVLSQLAMVNPMATKILALLALLALLVSATNAFIIPQCSLAPSASIPQFLPPVTSMGFEHPPALQQPIVGGAIF	263	"Experimental evidence at transcript level"	28484.27	28466.28	8.87	--NA--	"FUNCTION:Zeins are major seed storage proteins.TISSUE SPECIFICITY:Expressed in developing endosperm.DEVELOPMENTAL STAGE:Maximum expression between 18 and 28 days after pollination.MISCELLANEOUS:The alpha zeins of 19 kDa and 22 kDa account for 70% of the total zein fraction. They are encoded by a large multigene family.MISCELLANEOUS:Structurally, 22K and 19K zeins are composed of nine adjacent, topologically antiparallel helices clustered within a distorted cylinder.MISCELLANEOUS:Not expressed in opaque-2 mutants.SIMILARITY:Belongs to the zein family."