4987
The first exon encodes 66 bp of the 5 ' - untranslated sequence , while exon 2 encodes the coding and 3 ' - untranslated sequences .
 None
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
 Entities:  
Answer:
 None