L-Lysine Amino Acid Adsorption on Zeolite L: a Combined Synchrotron, X-Ray and Neutron Diffraction Study

Giada Beltrami; Annalisa Martucci; Luisa Pasti; Tatiana Chenet; Matteo Ardit; Lara Gigli; Mirco Cescon; Emmanuelle Suard

doi:10.1002/open.202000270

L-Lysine Amino Acid Adsorption on Zeolite L: a Combined Synchrotron, X-Ray and Neutron Diffraction Study

ChemistryOpen. 2020 Sep 28;9(10):977. doi: 10.1002/open.202000270. eCollection 2020 Oct.

Authors

Giada Beltrami¹, Annalisa Martucci¹, Luisa Pasti², Tatiana Chenet², Matteo Ardit¹, Lara Gigli³, Mirco Cescon², Emmanuelle Suard⁴

Affiliations

¹ Department of Physics and Earth Sciences, University of Ferrara, Via Saragat 1, 44121, Ferrara, Italy.
² Dipartimento di Scienze Chimiche e Farmaceutiche, University of Ferrara, Via Fossato di Mortara 17, 44121, Ferrara, Italy.
³ Elettra-Sincrotrone Trieste S.C.p.A., Materials Characterisation by X-ray diffraction (MCX) beamline, Strada, Statale, 14 - km 163,5 in AREA Science Park, Basovizza, Trieste, Italy.
⁴ Institute Max Von Laue and Paul Langevin, D2B beamline, BP156, 38042, Grenoble, France.

Abstract

Invited for this month's cover are the groups of Annalisa Martucci and Luisa Pasti at the University of Ferrara (Italy). The cover picture shows L-lysine amino acid adsorption on zeolite L. The role of zeolite channels in the stabilization of the lysine absorbed and the effect of water on protein structure are elucidated at atomistic level. The stabilization of the L α-helical conformation is related to strong H-bonds between the tail aminogroups of lysine molecules and the Brønsted acid site as well as to complex intermolecular H-bond system between water molecules, zeolite and amino acid. Read the full text of their Full Paper at 10.1002/open.202000183.

MeSH terms

Adsorption
Hydrogen Bonding
Lysine / chemistry*
Neutron Diffraction*
Synchrotrons*
X-Ray Diffraction*
Zeolites / chemistry*

Substances

Zeolites
Lysine