6323
These data are in agreement with the concept that different GCH compounds might differ in their binding and affinity properties , tissue-specific metabolism , and interaction with transcription factor .
 protein: transcription factor
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
 Entities: transcription factor 
Answer:
 protein: transcription factor