5128
The Type IIB restriction - modification protein BcgI contains A and B subunits in a 2 : 1 ratio : A has the active sites for both endonuclease and methyltransferase functions while B recognizes the DNA .
 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