6323
The scr regulon of pUR400 and the chromosomally encoded scr regulon of Klebsiella pneumoniae KAY2026 are both negatively controlled by a specific repressor ( ScrR ) .
 GENE: scr regulon; GENE: chromosomally encoded scr regulon of Klebsiella pneumoniae KAY2026; GENE: ScrR
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: scr regulon, chromosomally encoded scr regulon of Klebsiella pneumoniae KAY2026, ScrR 
Answer:
 GENE: scr regulon; GENE: chromosomally encoded scr regulon of Klebsiella pneumoniae KAY2026; GENE: ScrR