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When two - dimensional polyacrylamide gel electrophoretic patterns of [ 35S ] methionine - labeled proteins secreted from cells infected with parental and recombinant viruses were compared , a spot missing from the latter corresponded in molecular weigh and isoelectric point with that predicted from the N1L ORF .
 GENE: N1L ORF
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: N1L ORF