Updated project metadata. Updated publication reference for PubMed record(s): 26981352, 29876422. Updated publication reference for PubMed record(s): 26981352, 29876422, 31422552. We studied protein profile in the first three days upon pitcher opening to understand carnivory trait of Nepenthes x ventrata. The proteome analysis of pitcher fluid from N. × ventrata was performed by mass spectrometry (nLC-MS/MSALL).