This work is supported by the Swiss National Science Foundation (project no. 200020_134473/1).
Communication
Reversible Protonation of a Thiolate Ligand in an [Fe]-Hydrogenase Model Complex†
Article first published online: 10 JAN 2012
DOI: 10.1002/anie.201107634
Copyright © 2012 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
Additional Information
How to Cite
Chen, D., Scopelliti, R. and Hu, X. (2012), Reversible Protonation of a Thiolate Ligand in an [Fe]-Hydrogenase Model Complex. Angew. Chem. Int. Ed., 51: 1919–1921. doi: 10.1002/anie.201107634
- †
Publication History
- Issue published online: 14 FEB 2012
- Article first published online: 10 JAN 2012
- Manuscript Received: 29 OCT 2011
Funded by
- Swiss National Science Foundation. Grant Number: 200020_134473/1
Keywords:
- enzyme models;
- hydrogenases;
- iron;
- protonation;
- sulfur

What is the channel? The thiolate ligand in the five-coordinate model complex 1 of [Fe]-hydrogenase is preferentially and reversibly protonated, even in the presence of an acyl ligand. The results suggest that the Cys176 thiolate ligand in [Fe]-hydrogenase can serve as the internal base to accept the proton after heterolytic splitting of H2.

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