Notable deuterium effect on the electron transfer rate of myoglobin |
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| Authors: | Mie Yasuhiro Yamada Chiho Uno Tadayuki Neya Saburo Mizutani Fumio Nishiyama Katsuhiko Taniguchi Isao |
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| Institution: | National Institute of Advanced Industrial Science and Technology, 2-17-2-1, Tsukisamu-higashi, Sapporo, 062-8517, Japan. yasuhiro.mie@aist.go.jp |
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| Abstract: | The electron transfer reaction of wild-type myoglobin at an electrode was significantly facilitated in a D2O buffer as compared with that in an H2O buffer, with k(0)'(H2O)/k(0)'(D2O)= 0.13, while a minimal deuterium kinetic isotope effect on the myoglobin with modification at distal histidine (His-64) was observed. |
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