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The bond between the beta and gamma phosphate is considered “high-energy” because when the bond breaks, the products [adenosine diphosphate (ADP) and one inorganic phosphate group (P i)] have a lower free energy than the reactants (ATP and a water molecule).
20 Ιουλ 2022 · ATP is a versatile phosphate group donor: depending on the site of nucleophilic attack (at the \(\alpha \), \(\beta \), or \(\gamma \) phosphorus), different phosphate transfer outcomes are possible. Below are the three most common patterns seen in the central metabolic pathways.
1 Οκτ 2008 · The decrease of external 3 H-ADP is paralleled by the immediate appearance in mitochondria of 3 H-ADP and after a delay it is phosphorylated to 3 H-ATP. In exchange for 3 H-ADP endogenous 14 C-ATP is immediately released, followed by a continuous 3 H-ATP export.
22 Ιουν 2021 · The bond between the beta and gamma phosphate is considered “high-energy” because when the bond breaks, the products [adenosine diphosphate (ADP) and one inorganic phosphate group (P i)] have a lower free energy than the reactants (ATP and a water molecule).
23 Ιουλ 2023 · In most biological reactions using ATP, the terminal phosphate of ATP is transferred to a substrate using an enzyme called a kinase. Hence, hexokinase transfers the gamma phosphate from ATP to a hexose sugar. Protein kinase is an enzyme that transfers the gamma phosphate to a protein substrate.
6 Μαρ 2024 · Here, the authors report cryo-EM structures of branch junctions with ADP or ADPBeFx (to mimic γ-phosphate) bound to Arp3 to explain why γ-phosphate dissociation destabilizes branches.
30 Αυγ 2014 · When the gamma phosphate of ATP is transferred to an alcohol, for example, surrounding water molecules are able to form more hydrogen-bonding interactions with the products (ADP and the organic phosphate) than was possible with ATP and alcohol.
