MS data of tryptic peptides obtained through activity-guided protein purification

Protein band obtained from the Panax notoginseng leaves homogenate following an activity-guided protein-purification procedure, that showed regioselective ginsenoside hydrolysis activity was digested with trypsin and analyzed by Nano LC-LTQ Orbitrap MS to construct a peptide library of accessible amino acid sequences. Subsequent mutual sequence alignment analysis between the peptide and transcript libraries identified three candidate genes.