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_4244	ATPI_SPIOL	--NA--	"Spinacia oleracea"	Amaranthaceae	--NA--	Signaling-peptide	"CF(0); Chloroplast; Direct protein sequencing; Hydrogen ion transport; Ion transport; Membrane; Plastid; Signal; Transmembrane; Transport | Chloroplast ATP synthase a chain precursor (EC 3.6.3.14) (ATPase,subunit IV).Plastid, chloroplast thylakoid membrane; Multi-pass membrane protein."	--NA--	AGLTKKGLGYFGKYIQPTPILLPINILEDFTKPLSLSFRLFGNILADELVLGSAAIAVRSPQTIPTGGQNFFEYVLEFIRDVSKTQIGEEYRPWVPFIGTMFLFIFVSNWSGALLPWKIIQLPHGELAAPTNDINTTVALALLTSVAYFYMNVLSYSINPLKGLYAISGVEVGQHFYWQIGGFQIHGQVLITSWVVIAILVVVLVSLVPLVVPIPVMFLGLFTSGIQALIFATLAAAYIGESLEGHH	247	"Experimental evidence at protein level"	27086.86	27069.61	5.93	--NA--	"FUNCTION:Key component of the proton channel; it may play a direct role in the translocation of protons across the membrane.CATALYTIC ACTIVITY:ATP H(2)O H()(In) = ADP phosphate H()(Out).SUBUNIT:F-type ATPases have 2 components, CF(1) - the catalytic core - and CF(0) - the membrane proton channel. CF(1) has five subunits: alpha(3), beta(3), gamma(1), delta(1), epsilon(1). CF(0) has three main subunits: a, b and c.SIMILARITY:Belongs to the ATPase A chain family."