Elementary plant Biochemistry and Biotechnology (2+1)

Pantothenic acid

• The coenzyme form of pantothenic acid is coenzymes A and is represented as CoASH.
• The thiol group (-SH) acts as a carrier of acyl group.
• The acyl-sulphur bond formed between coenzyme A and the acyl moiety is a high energy bond, equivalent to the high energy bond of ATP.
• The function of coenzyme A is to serve as a carrier of acyl group in reactions associated with fatty acid oxidation, fatty acid synthesis, pyruvate oxidation and biological acetylations.
• It is also involved in many biosynthetic processes such as synthesis of cholesterol, terpenes and steroids.
  
• Pantothenic acid structure