Subject area	Biochemistry
More specific subject area	Proteomics, peptidomics
Type of data	LC–MS/MS data and identification data
How data was acquired	TripleTOF 5600+ mass spectrometer with a NanoSpray III ion source (Sciex, Canada) coupled with a NanoLC Ultra 2D+ nano-HPLC system (Eksigent, USA)
Data format	Raw and analyzed data
Experimental factors	Blood plasma and serum samples of 10 healthy male and 10 healthy female donors
Experimental features	Samples were fractionated on several sorbents (cation exchange Toyopearl CM-650M, CM Bio-Gel A, SP Sephadex C-25 and anion exchange QAE Sephadex A-25) and analyzed by LC–MS/MS individually and pooled
Data source location	Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Miklukho-Maklaya str. 16/10, Moscow 117997, Russian Federation
Data accessibility	The mass spectrometry peptidomics data have been deposited to the ProteomeXchange Consortium via the PRIDE[5]partner repository with the dataset identifierPXD008141 and 10.6019/PXD008141. Direct download link: http://www.ebi.ac.uk/pride/archive/projects/PXD008141