Enzymatic Fluoromethylation as a Tool for ATP-Independent Ligation

Area of Science:

• Biochemistry
• Organic Synthesis
• Enzymology

Background:

• S-adenosylmethionine-dependent methyltransferases are crucial enzymes in various biological processes.
• Carboxylate methyltransferases are rare, with few known to form amide bonds.

Purpose of the Study:

• To explore enzyme-catalyzed F-methylation of carboxylate substrates.
• To develop a novel method for amide bond formation and related chemical synthesis.

Main Methods:

• Utilized S-adenosylmethionine-dependent methyltransferases for F-methylation of carboxylate substrates.
• Investigated the reactivity of resulting F-methyl esters with N- and S-nucleophiles.

Main Results:

• Enzyme-catalyzed F-methylation produces F-methyl esters that readily react with nucleophiles.
• Demonstrated applicability to synthesizing amides, hydroxamates, and thioesters.
• Showcased utility in site-specific protein modification and native chemical ligation.

Conclusions:

• Enzyme-catalyzed F-methylation offers a versatile approach for chemical synthesis.
• This method provides a mild and efficient route for constructing amide bonds and modifying biomolecules.