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Fig. 1 | BMC Biochemistry

Fig. 1

From: Effects of protonation on the hydrolysis of triphosphate in vacuum and the implications for catalysis by nucleotide hydrolyzing enzymes

Fig. 1

Triphosphate hydrolysis. a Unprotonated methyl triphosphate reactant. The three protonation sites (α, β, γ) are labeled. The arrows show the electronic rearrangements of the concurrent reaction mechanism: concerted breaking of the Pγ–Oβγ bond and lysis of water Wa. b Product state. The magnesium Mg2+ is hexa-coordinated by two oxygen atoms of the triphosphate and four water molecules

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