12750
We identified a RNA - binding domain within the C - terminus of RbgA that is structurally similar to AmiR - NasR Transcription Anti - termination Regulator ( ANTAR ) domains , which are known to bind structured RNA .
 Chemical: C
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: Chemical 
Text: {0} 
Answer:
 Chemical: C