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_5442	EXPB4_ORYSJ	--NA--	"Oryza sativa subsp. Japonica"	Poaceae	--NA--	Signaling-peptide	"Cell wall; Cell wall biogenesis/degradation; Glycoprotein; Membrane; Secreted; Signal | Expansin-B4 precursor (OsEXPB4) (Beta-expansin-4) (OsaEXPb1.7).Secreted, cell wall; Peripheral membrane protein (By similarity)."	--NA--	EYEDGDGDVVQVDLMESKTAHGPPTGRWTPMRESWGSIWRLDTNHRLQAPFSIRIRNESGKTLVANNVIPANWRPNTFYRSFVQYSKDGKGCGSCYKIRCTKDQSCSGRSETVIITDMNYYPVAPFHFDLSGTAFGMGSLSSLAAAAVFLSLLAVGHCAAADFNATDADADFAGNGVDFNSSDAAVRLAKPGLNDKLRHSGIIDIEFTRVPCEFPGLKIGFHVEEYSNPVYFAVLVYWGPWTKARATWYGQPNGAGPDDNGGACGFKHTNQYPFMSMTSCGNQPLF	286	"Experimental evidence at transcript level"	31358.1	31338.01	5.98	--NA--	"FUNCTION:May cause loosening and extension of plant cell walls by disrupting non-covalent bonding between cellulose microfibrils and matrix glucans. No enzymatic activity has been found. May be required for rapid internodal elongation in deepwater rice during submergence (By similarity).TISSUE SPECIFICITY:Expressed in internodes.DEVELOPMENTAL STAGE:Expressed in the growing regions of roots, coleoptiles, internodes and leaves.INDUCTION:By gibberellin (GA3) and wounding.SIMILARITY:Belongs to the expansin family. Expansin B subfamily.SIMILARITY:Contains 1 expansin-like CBD domain.SIMILARITY:Contains 1 expansin-like EG45 domain. "