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Unchecked amino acid accumulation in living cells has the potential to cause stress by disrupting normal metabolic processes. Thus, many organisms have evolved degradation strategies that prevent endogenous accumulation of amino acids. L‐2,3‐diaminopropionate (Dap) is a non‐protein amino acid produced in nature where it serves as a precursor to siderophores, neurotoxins and antibiotics. Dap accumulation...
The Rid family of proteins is highly conserved and broadly distributed throughout the domains of life. Genetic and biochemical studies, primarily in Salmonella enterica, have defined a role for RidA in responding to endogenously generated reactive metabolites. The data show that 2‐aminoacrylate (2AA), a reactive enamine intermediate generated by some pyridoxal 5′‐phosphate‐dependent enzymes, accumulates...
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