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. Author manuscript; available in PMC: 2013 Jul 26.
Published in final edited form as: Biochemistry. 2011 May 9;50(21):4513–4520. doi: 10.1021/bi200399h

Scheme 1.

Scheme 1

The proposed scheme for activation of resting state P. aeruginosa-type CcP and the catalytic cycle for the reduction of hydrogen peroxide to two molecules of water. The G. sulfurreducens CcpA shows solution-based kinetic parameters that mimic the P. aeruginosa type of CcP. The second electron coupled step responsible for the continuation of the catalytic cycle is shown as a dotted arrow.