22623
Primary mitochondrial disorders are clinically and genetically heterogeneous , caused by an alteration ( s ) in either mitochondrial DNA or nuclear DNA , and affect the respiratory chain ' s ability to undergo oxidative phosphorylation , leading to decreased production of adenosine triphosphophate and subsequent energy failure .
 Chemical: adenosine triphosphophate
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: adenosine triphosphophate