期刊
ARCHIVES OF BIOCHEMISTRY AND BIOPHYSICS
卷 464, 期 2, 页码 269-276出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.abb.2007.05.006
关键词
monoamine oxidases; MAO A; MAO B; flavin coenzymes; amine neurotransmitter; QSAR; proton abstraction; expression in Pichia pastoris; X-ray structures
资金
- NIGMS NIH HHS [GM-29433, R01 GM029433-24, R01 GM029433-23, R01 GM029433] Funding Source: Medline
Due to their pharmacological importance in the oxidation of amine neurotransmitters, the membrane-bound flavoenzymes monoamine oxidase A and monoamine oxidase B have attracted numerous investigations and, as a result, two different mechanisms; the single electron transfer and the polar nucleophilic mechanisms, have been proposed to describe their catalytic mechanisms. This review compiles the recently available structural data on both enzymes with available mechanistic data as well as current NMR data on flavin systems to provide an integration of the approaches. These conclusions support the proposal that a polar nucleophilic mechanism for amine oxidation is the most consistent mechanistic scheme as compared with the single electron transfer mechanism. (c) 2007 Elsevier Inc. All rights reserved.
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