Protein adenylyltransferase MntA
UniProtKB accession: A0A0B0QJN8
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Go to UniProtKB: A0A0B0QJN8
UniProtKB description: Antitoxin component of a type VII toxin-antitoxin (TA) system. Upon cloning in E.coli neutralizes the effect of cognate toxin HepT. Neutralization is mostly due to di-AMPylation of toxin by this enzyme. Successively di-AMPylates HepT on 'Tyr-109'. In vitro will use ATP, dATP, GTP, dGTP, TTP or UTP to generate a mono-modified protein, but requires a purine nucleotide for the second modification reaction (ATP, dATP or GTP).
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