8543
Given the high degree of similarity between ALDH2 and ALDH1B1 , it is surprising that individuals with an inactivating mutation in ALDH2 ( ALDH2 * 2 ) do not exhibit a compensatory increase in ALDH1B1 activity .
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 None