The Structure of the Individual Components of Coenzyme A

1) adenosine triphosphate (ATP)

The ATP molecule is composed of three components. At the centre is a sugar molecule, ribose (the same sugar that forms the basis of DNA). Attached to one side of this is a base (a group consisting of linked rings of carbon and nitrogen atoms); in this case the base is adenine. The other side of the sugar is attached to a string of phosphate groups. These phosphates are the key to the activity of ATP.

ATP consists of a base, in this case adenine (red), a ribose (magenta) and a phosphate chain (blue).

 

2)

3) Cysteine

 

 

The Whole Structure of CoA

Coenzyme A

 

Similar Molecular Structures of CoA

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