About the Authors

Maria V. Sinegubova

Roles Formal analysis, Investigation, Methodology, Writing – original draft

Affiliation Laboratory of Mammalian Cell Bioengineering, Institute of Bioengineering, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, Russia

Nadezhda A. Orlova

Roles Conceptualization, Data curation, Formal analysis, Investigation, Methodology, Project administration, Visualization, Writing – original draft, Writing – review & editing

nobiol@gmail.com

Affiliation Laboratory of Mammalian Cell Bioengineering, Institute of Bioengineering, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, Russia

Sergey V. Kovnir

Roles Investigation, Methodology

Affiliation Laboratory of Mammalian Cell Bioengineering, Institute of Bioengineering, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, Russia

Lutsia K. Dayanova

Roles Investigation

Affiliation Laboratory of Glycoproteins Biotechnology, Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia

Ivan I. Vorobiev

Roles Conceptualization, Formal analysis, Investigation, Methodology, Supervision, Writing – original draft, Writing – review & editing

Affiliations Laboratory of Mammalian Cell Bioengineering, Institute of Bioengineering, Research Center of Biotechnology of the Russian Academy of Sciences, Moscow, Russia, Laboratory of Glycoproteins Biotechnology, Institute of Bioorganic Chemistry of the Russian Academy of Sciences, Moscow, Russia

Competing Interests

MVS and LKD declare that they have no competing interests. SVK, NAO and IIV are inventors of the patent RU2488633, which covers the use of the p1.1 plasmid; a derivative of this plasmid is used in current research. The existence of the patent does not alter our adherence to PLOS ONE policies on sharing data and materials.