3.2.2.20	3-Methylguanine	-	646850	
3.2.2.20	adenine	-	646850	
3.2.2.20	Caffeine	-	646850	
3.2.2.20	upstream region of the mbaag gene	transcription factor BCG0878c stimulates the base excision activity of the enzyme and stimulates its binding activity for damaged DNA	732176