Sci. rep. Sci. rep. Structural insights into the ability of nucleoplasmin to assemble and chaperone histone octamers for DNA deposition Franco Aitor Arranz Rocío Fernandez-Rivero Noelia Velazquez-Campoy Adrián Universidad de Zaragoza Martin-Benito Jaime Segura Joan Prado Adelina Valpuesta José M. Muga Arturo 2019 research-article