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LEAFY protein crystals with a honeycomb structure as a platform for selective preparation of outstanding stable bio-hybrid materials

Lucile Chiari 1 Philippe Carpentier 2, 3 Sylvie Kieffer-Jaquinod 4 Alice Gogny 5 Julien Pérard 6 Stéphane Ravanel 7 David Cobessi 8 Stéphane Ménage 1 Renaud Dumas 9, * Olivier Hamelin 1, *
* Corresponding author
1 BioCE - Catalyse Bioinorganique et Environnement
LCBM - UMR 5249 - Laboratoire de Chimie et Biologie des Métaux
2 BIOCAT - Biocatalyse
LCBM - UMR 5249 - Laboratoire de Chimie et Biologie des Métaux
6 BEE - BioEnergie et Environnement
LCBM - UMR 5249 - Laboratoire de Chimie et Biologie des Métaux
7 MetalStress - Plantes, Stress & Métaux
LPCV - Physiologie cellulaire et végétale
9 Flo_RE - Régulateurs du développement de la fleur
LPCV - Physiologie cellulaire et végétale
Abstract : Well-organized protein assemblies offer many properties that justify their use for the design of innovative bionanomaterials. Herein, crystals of the oligomerization domain of the LEAFY protein from Ginkgo biloba, organized in a honeycomb architecture, were used as a modular platform for the selective grafting of a ruthenium-based complex. The resulting bio-hybrid crystalline material was fully characterized by UV-visible and Raman spectroscopy and by mass spectrometry and LC-MS analysis after selective enzymatic digestion. Interestingly, insertion of complexes within the tubular structure affords an impressive increase in stability of the crystals, eluding the use of stabilizing cross-linking strategies.
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Submitted on : Thursday, October 7, 2021 - 2:52:02 PM
Last modification on : Friday, April 1, 2022 - 3:45:58 AM
Long-term archiving on: : Saturday, January 8, 2022 - 7:09:50 PM

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Lucile Chiari, Philippe Carpentier, Sylvie Kieffer-Jaquinod, Alice Gogny, Julien Pérard, et al.. LEAFY protein crystals with a honeycomb structure as a platform for selective preparation of outstanding stable bio-hybrid materials. Nanoscale, Royal Society of Chemistry, 2021, 13 (19), pp.8901-8908. ⟨10.1039/d1nr00268f⟩. ⟨hal-03225550⟩

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