4057
Thus, this work presents the first detailed analysis of a naturally occurring mutation in a basal transcription factor and supports the concept that the combined XP/ CS clinical entity is actually the result of a combined transcription/repair deficiency .
 protein: transcription factor; protein: basal 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, basal transcription factor 
Answer:
 protein: transcription factor; protein: basal transcription factor