Protein encapsulation within synthetic molecular hosts

Daishi Fujita, Kosuke Suzuki, Sota Sato, Maho Yagi-Utsumi, Yoshiki Yamaguchi, Nobuhiro Mizuno, Takashi Kumasaka, Masaki Takata, Masanori Noda, Susumu Uchiyama, Koichi Kato, Makoto Fujita

Research output: Contribution to journalArticlepeer-review

126 Citations (Scopus)

Abstract

Protein encapsulation has long attracted many chemists and biologists because of its potential to control the structure and functions of proteins, but has been a daunting challenge because of their incommensurably larger size compared with common synthetic hosts. Here we report the encapsulation of a small protein, ubiquitin, within giant coordination cages. The protein was attached to one bidentate ligand and, upon addition of Pd(II) ions (M) and additional ligands (L), M 12 L 24 coordination nanocages self-assembled around the protein. Because of the well-defined host framework, the protein-encapsulated structure could be analysed by NMR spectroscopy, ultracentrifugation and X-ray crystallography.

Original languageEnglish
Article number1093
JournalNature communications
Volume3
DOIs
Publication statusPublished - 2012

ASJC Scopus subject areas

  • Chemistry(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Physics and Astronomy(all)

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