KLH-conjugated synthetic peptide derived from Arabidopsis thaliana PDF1.1 UniProt: P30224-1, TAIR: At1g75830The peptide sequence, it is perfectly conserved in following Arabidopsis thaliana isoforms: PDF1.2c, PDF1.2b, PDF1.2A, PDF1.3. PDF2 isoform sequence did not come in the blast.