Issue 95, 2014

DNA cleavage by oxymyoglobin and cysteine-introduced metmyoglobin

Abstract

Double stranded DNA was cleaved oxidatively by incubation with oxygenated myoglobin, and Lys96Cys sperm whale myoglobin in its stable ferric form functioned as an artificial nuclease under air by formation of an oxygenated species, owing to electron transfer from the SH group of the introduced cysteine to the heme.

Graphical abstract: DNA cleavage by oxymyoglobin and cysteine-introduced metmyoglobin

Supplementary files

Article information

Article type
Communication
Submitted
22 Aug 2014
Accepted
10 Oct 2014
First published
10 Oct 2014

Chem. Commun., 2014,50, 15034-15036

Author version available

DNA cleavage by oxymyoglobin and cysteine-introduced metmyoglobin

M. S. Deshpande, S. Junedi, H. Prakash, S. Nagao, M. Yamanaka and S. Hirota, Chem. Commun., 2014, 50, 15034 DOI: 10.1039/C4CC06617K

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