phosphate group

American  

noun

Chemistry.

1. the group or radical obtained by removal of one or more hydrogen atoms from phosphoric acid.

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Etymology

Origin of phosphate group

First recorded in 1950–55

Example Sentences

For example, they found that when an insulin receptor experiences decreased mobility, it acts less efficiently on IRS1, a molecule to which it usually adds a phosphate group.

From Science Daily • Nov. 27, 2024

A kinase is an enzyme that adds a phosphate group to another molecule, in this case a protein, to regulate important activities in the cell.

From Science Daily • Feb. 13, 2024

The disassembly phase is initiated by the release of a phosphate group from inside the filament, but the details of this process have puzzled scientists since decades.

From Science Daily • Sep. 28, 2023

The phosphate group of one nucleotide bonds covalently with the sugar molecule of the next nucleotide, and so on, forming a long polymer of nucleotide monomers.

From Textbooks • Apr. 25, 2013

The charging of the battery, in which ADP and a free phosphate group are combined to restore ATP, is coupled to the oxidative process; the close linking is known as coupled phosphorylation.

From "Silent Spring" by Rachel Carson