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Updated: Jun 26, 2026

Chemical Modification of the Tryptophan Residue in a Recombinant Ca2+-ATPase N-domain for Studying Tryptophan-ANS FRET
12:07

Chemical Modification of the Tryptophan Residue in a Recombinant Ca2+-ATPase N-domain for Studying Tryptophan-ANS FRET

Published on: October 9, 2021

Dimeric complexes of tryptophan with M2+ metal ions.

Robert C Dunbar1, Jeffrey D Steill, Nick C Polfer

  • 1Department of Chemistry, Case Western Reserve University, Cleveland, Ohio 44106, USA. rcd@po.cwru.edu

The Journal of Physical Chemistry. A
|January 7, 2009
PubMed
Summary

Metal ions influence tryptophan dimer structures. Most complexes feature charge-solvated (CS) and zwitterionic (ZW) ligands, except for Nickel, which shows a unique double CS configuration due to its small size and strong binding.

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