29273
OxyS catalyzes two sequential hydroxylations at C6 and C5 positions of 3 with opposite stereochemistry , while OxyR catalyzes the C5a - C11a reduction using F420 as a cofactor to produce 1 .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
 Entities:  
Answer:
 None