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_5370	CKX2_ARATH	--NA--	"Arabidopsis thaliana"	Brassicaceae	--NA--	Signaling-peptide	"Complete proteome; Endoplasmic reticulum; FAD; Flavoprotein; Glycoprotein; Oxidoreductase; Secreted; Signal | Cytokinin dehydrogenase 2 precursor (EC 1.5.99.12) (Cytokinin oxidase,2) (CKO 2) (AtCKX2).Endoplasmic reticulum. Secreted, extracellular space."	--NA--	ELFYGVLGGLGQFGIITRARIVLDHAPKRAKWFRMLYSDFTTFTKDQERLFISMANDIGVDYLEGQIFLSNGVVDTSFFPPSDQSKVADLVKQHGIIYVLEKDSGIKIKQYLMHYTSKEDWIEHFGSKWDDFSKRKDLFDPKKLLSPGQDIKLRSLGLWELPHPWLNLYVPKSRILDFHNGVVKDILLKQKSASGLALLYPMANLRLMITLITVLMITKSSNGIKIDLPKSLNLTLSTDPSIISAASHDFGNITTVTPGGVICPSSTADISRLLQYAANGKSTFQVAARGQGHSLNGQASVSGGVIVNMTCITDVVVSKDKKYADVAAGTLWVDVLKKTAEKGVSPVSWTDTNRNKWDNRMSAMIPEIDEDVIYIIGLLQSATPKDLPEVESVNEKIIRFCVAKYYDDPNLPIISKVIDTLTKTLSYLPGFISMHDVAYFDFLNRVHVEENYLHITVGGTLSNGGIGGQVFRNGPLVSNVLELDVITGKGEMLTCSRQLNP	501	"Experimental evidence at protein level"	55583.09	55547.99	7.34	--NA--	"FUNCTION:Catalyzes the oxidation of cytokinins, a family of N(6)- substituted adenine derivatives that are plant hormones, where the substituent is an isopentenyl group.CATALYTIC ACTIVITY:N(6)-dimethylallyladenine acceptor H(2)O = adenine 3-methylbut-2-enal reduced acceptor.COFACTOR:FAD (By similarity).BIOPHYSICOCHEMICAL PROPERTIES:Kinetic parameters: KM=0.3 uM for isopentenyladenine; Vmax=7.4 nmol/h/mg enzyme;TISSUE SPECIFICITY:Expressed in the shoot apex, in stipules, and occasionally in the most apical part of the inflorescence stems.Not detected in roots.SIMILARITY:Belongs to the oxygen-dependent FAD-linked oxidoreductase family."