Molecular Structure of ATP

Molecular Structure of ATP
Molecular Structure of ATP
ATP molecule is the energy currency of the cell. It has a pyridine base, a ribose sugar and 3 phosphate groups. As it shown in the picture ribose sugar is between phosphate groups and the nucleotide, adenine. Energy is stored in the phospho-anhydride bonds between phosphate groups. Those bonds are also known as high energy bonds. Most of the energy is stored between second and third phosphate groups. The bond between phosphate groups and ribose sugar is called phosphoester bond. The last bond is glycosidic bond between adenine base and ribose molecule.

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