1619
Although previous data have suggested that Rev uses the same export pathway as uracil - rich small nuclear RNAs and 5S ribosomal RNA , the CTE seems to interact with evolutionarily conserved factors that are essential for cellular mRNA export .
 GENE: Rev; GENE: 5S ribosomal RNA
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: Rev; GENE: 5S ribosomal RNA