期刊
ANTIOXIDANTS & REDOX SIGNALING
卷 3, 期 5, 页码 881-897出版社
MARY ANN LIEBERT, INC
DOI: 10.1089/15230860152665046
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资金
- NIGMS NIH HHS [GM25953] Funding Source: Medline
Although mechanisms of metabolite channeling have been extensively studied, the nature of reduced flavin transfer from donor to acceptor enzymes remains essentially unexplored. In this review, identities and properties of reduced flavin-producing enzymes (namely flavin reductases) and reduced flavin-requiring processes and enzymes are summarized. By using flavin reductase-luciferase enzyme couples from luminous bacteria, two types of reduced flavin channeling were observed involving the differential transfers of the reduced flavin cofactor and the reduced flavin product of reductase to lucif erase. The exact mode of transfer is controlled by the specific makeup of the constituent enzymes within the reductase-luciferase couple. The plausible physiological significance of the monomer-dimer equilibrium of the NADPH-specific flavin reductase from Vibrio harveyi is also discussed.
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