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This cytochrome c variant provides an easy to use tool that is accessible to everyone in the synthetic biology community and allows the user to harness the vast potential of organosilicons.
This basic part exhibits a strong tendency to form silicon-carbon bonds and is, therefore, a valuable addition to perform controlled organic chemistry in microorganisms.
A triple mutant of this part has already been applied in the successful synthesis of organosilicons as a proof-of-concept.
As a next step, this part can be implemented in the directed evolution approach of phage-assisted continuous evolution (PACE) or in the phage-related discontinuous evolution (PREDCEL) approach to improve organosilicon synthesis by cytochrome engineering.
Figure 1:
Gas chromatogram for the reaction of educt (1) and (5) to the product (3). 11.7 minutes retention time, indicates product formation. Unconverted educts converge 6.9 and 7.2, 7.4 minutes
Figure 2:
Mass chromatogram shows the breakdown of the product (3) ethyl 2-((4-aminophenyl)dimethylsilyl)propanoate. The product itself corresponds to a mass of 251 dalton
Figure 3:
Gas chromatogram for the reaction of educt (2) and (5) to the product (4). 9.2 minutes retention time indicates product formation.
Figure 4:
Mass chromatogram shows the breakdown of the product (4) ethyl 2-(dimethyl(phenyl)silyl)propanoate. The product itself corresponds to a mass of 236 dalton
