10573
Productive growth of phage P22 in wild - type Salmonella typhimurium correlates with the presence of Abc2 , but is independent of the absolute level of ATP - dependent nuclease activity , suggesting a qualitative change in the nature of Abc2 - modified RecBCD nuclease activity relative to the native enzyme .
 GENE: Abc2; GENE: ATP - dependent nuclease; GENE: Abc2; GENE: RecBCD nuclease
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities: Abc2, ATP - dependent nuclease, Abc2, RecBCD nuclease 
Answer:
 GENE: Abc2; GENE: ATP - dependent nuclease; GENE: Abc2; GENE: RecBCD nuclease