Phosphorylation
The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
In biochemistry, phosphorylation is described as the "transfer of a phosphate group" from a donor to an acceptor or the addition of a phosphate group to a molecule. A common phosphorylating agent (phosphate donor) is ATP and a common family of acceptor are alcohols: [Adenosyl−O−PO2−O−PO2−O−PO3]4− + ROH → [Adenosyl−O−PO2−O−PO3H]2− + [RO−P−O3]2− This equation can be written in several ways that are nearly equivalent that describe the behaviors of various protonated states of ATP, ADP, and the phosphorylated product.
Nº Q242736 ★★
Uncommon · Knowledge
Phosphorylation
The process of introducing a phosphate group into a molecule, usually with the formation of a phosphoric ester, a phosphoric anhydride or a phosphoric amide.
In biochemistry, phosphorylation is described as the "transfer of a phosphate group" from a donor to an acceptor or the addition of a phosphate group to a molecule. A common phosphorylating agent (phosphate donor) is ATP and a common family of acceptor are alcohols: [Adenosyl−O−PO2−O−PO2−O−PO3]4− + ROH → [Adenosyl−O−PO2−O−PO3H]2− + [RO−P−O3]2− This equation can be written in several ways that are nearly equivalent that describe the behaviors of various protonated states of ATP, ADP, and the phosphorylated product.
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From Wikipedia
In biochemistry, phosphorylation is described as the "transfer of a phosphate group" from a donor to an acceptor or the addition of a phosphate group to a molecule. A common phosphorylating agent (phosphate donor) is ATP and a common family of acceptor are alcohols: [Adenosyl−O−PO2−O−PO2−O−PO3]4− + ROH → [Adenosyl−O−PO2−O−PO3H]2− + [RO−P−O3]2− This equation can be written in several ways that are nearly equivalent that describe the behaviors of various protonated states of ATP, ADP, and the phosphorylated product. As is clear from the equation, a phosphate group per se is not transferred, but a phosphoryl group (PO3-). Phosphoryl is an electrophile. This process and its inverse, dephosphorylation, are common in biology. Protein phosphorylation often activates (or deactivates) many enzymes.
Text: Wikipédia, CC BY-SA 4.0. · Image: explorebiology (CC BY 4.0) ·
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