738
The strong conservation of the inverted terminal repeat sequence may reflect a common integration mechanism for VL30 elements and MuLV proviruses .
 GENE: VL30 elements
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: VL30 elements