2348
The human cytomegalovirus ( HCMV ) major immediate - early protein IE2 is a nuclear phosphoprotein that is believed to be a key regulator in both lytic and latent infections .
 GENE: human cytomegalovirus ( HCMV ) major immediate - early protein IE2
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: human cytomegalovirus ( HCMV ) major immediate - early protein IE2