Articles | Volume 2, issue 1
Research article
29 Jan 2021
Research article |  | 29 Jan 2021

Towards resolving the complex paramagnetic nuclear magnetic resonance (NMR) spectrum of small laccase: assignments of resonances to residue-specific nuclei

Rubin Dasgupta, Karthick B. S. S. Gupta, Huub J. M. de Groot, and Marcellus Ubbink

Related authors

Analysis of the electronic structure of the primary electron donor of photosystem I of Spirodela oligorrhiza by photochemically induced dynamic nuclear polarization (photo-CIDNP) solid-state nuclear magnetic resonance (NMR)
Geertje J. Janssen, Patrick Eschenbach, Patrick Kurle, Bela E. Bode, Johannes Neugebauer, Huub J. M. de Groot, Jörg Matysik, and Alia Alia
Magn. Reson., 1, 261–274,,, 2020
Short summary

Related subject area

Field: Liquid-state NMR | Topic: Applications – biological macromolecules
Facilitating the structural characterisation of non-canonical amino acids in biomolecular NMR
Sarah Kuschert, Martin Stroet, Yanni Ka-Yan Chin, Anne Claire Conibear, Xinying Jia, Thomas Lee, Christian Reinhard Otto Bartling, Kristian Strømgaard, Peter Güntert, Karl Johan Rosengren, Alan Edward Mark, and Mehdi Mobli
Magn. Reson., 4, 57–72,,, 2023
Short summary
Site-selective generation of lanthanoid binding sites on proteins using 4-fluoro-2,6-dicyanopyridine
Sreelakshmi Mekkattu Tharayil, Mithun C. Mahawaththa, Akiva Feintuch, Ansis Maleckis, Sven Ullrich, Richard Morewood, Michael J. Maxwell, Thomas Huber, Christoph Nitsche, Daniella Goldfarb, and Gottfried Otting
Magn. Reson., 3, 169–182,,, 2022
Short summary
Imatinib disassembles the regulatory core of Abelson kinase by binding to its ATP site and not by binding to its myristoyl pocket
Stephan Grzesiek, Johannes Paladini, Judith Habazettl, and Rajesh Sonti
Magn. Reson., 3, 91–99,,, 2022
Short summary
Localising nuclear spins by pseudocontact shifts from a single tagging site
Henry W. Orton, Elwy H. Abdelkader, Lydia Topping, Stephen J. Butler, and Gottfried Otting
Magn. Reson., 3, 65–76,,, 2022
Short summary
Localising individual atoms of tryptophan side chains in the metallo-β-lactamase IMP-1 by pseudocontact shifts from paramagnetic lanthanoid tags at multiple sites
Henry W. Orton, Iresha D. Herath, Ansis Maleckis, Shereen Jabar, Monika Szabo, Bim Graham, Colum Breen, Lydia Topping, Stephen J. Butler, and Gottfried Otting
Magn. Reson., 3, 1–13,,, 2022
Short summary

Cited articles

Banci, L., Bertini, I., and Luchinat, C.: The 1H NMR parameters of magnetically coupled dimers – The Fe2S2 proteins as an example, in: Bioinorganic Chemistry, Springer, Berlin, Heidelberg, 113–136,, 1990. 
Battistuzzi, G., Di Rocco, G., Leonardi, A., and Sola, M.: 1H NMR of native and azide-inhibited laccase from Rhus vernicifera, J. Inorg. Biochem., 96, 503–506,, 2003. 
Bertini, I., Turano, P., and Vila, A. J.: Nuclear magnetic resonance of paramagnetic metalloproteins, Chem. Rev., 93, 2833–2932,, 1993. 
Bertini, I., Luchinat, C., Parigi, G., and Ravera, E.: NMR of paramagnetic molecules: applications to metallobiomolecules and models, Second edition, Elsevier, Amsterdam, the Netherlands, 2017. 
Bubacco, L., Vijgenboom, E., Gobin, C., Tepper, A. W. J. W., Salgado, J., and Canters, G. W.: Kinetic and paramagnetic NMR investigations of the inhibition of Streptomyces antibioticus tyrosinase, J. Mol. Catal. B-Enzym., 8, 27–35,, 2000. 
Short summary
A method is demonstrated that can help in sequence-specific NMR signal assignment to nuclear spins near a strongly paramagnetic metal in an enzyme. A combination of paramagnetically tailored NMR experiments and second-shell mutagenesis was used to attribute previously observed chemical exchange processes in the active site of laccase to specific histidine ligands. The signals of nuclei close to the metal can be used as spies to unravel the role of motions in the catalytic process.