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Bacterial luciferase substrate specificity

Bacterial luciferase is a heterodimer (75 kDa). The connection to the substrate is realized by the a-subunit (40 kDa), while the P-subunit (35 kDa) assures the stability of the active dimmer-structure. The luciferase molecule has active highly specific connection centers for FMN2, FMN, AMP and aldehyde [11]. [Pg.232]

Two types of bioluminescence can be characterized firefly-QL, and bacterial-BL,. BL of living systems is extremely bright because each molecule of the product is formed in an electronically-excited state. The quantum yield of BL reactions is extremely high (0.1-1.0) compared to the CL of non-enzymatie oxidized organic matter. Hence, high efficiency is reached by the application of highly specific enzymes - luciferases. These are especially effective for their substrates — luciferins, which is one of the main conditions needed for chemical redox energy transformations into... [Pg.230]

See other pages where Bacterial luciferase substrate specificity is mentioned: [Pg.262]    [Pg.262]    [Pg.91]    [Pg.35]    [Pg.395]    [Pg.573]    [Pg.445]    [Pg.280]    [Pg.217]    [Pg.83]   
See also in sourсe #XX -- [ Pg.632 ]



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Luciferases

Substrate specificity

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