17724
An alpha - carbonic anhydrase ( CA , EC 4 . 2 . 1 . 1 ) has been recently cloned and characterized in the human pathogenic bacterium Vibrio cholerae , denominated VchCA ( Del Prete et al . J . Med . Chem . 2012 , 55 , 10742 ) .
 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