1807
Genomic locus of chCTCF contains a GC - rich untranslated exon separated from seven coding exons by a long intron .
 GENE: chCTCF
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: GENE 
Text: {0} 
Answer:
 GENE: chCTCF